id int32 0 165k | repo stringlengths 7 58 | path stringlengths 12 218 | func_name stringlengths 3 140 | original_string stringlengths 73 34.1k | language stringclasses 1
value | code stringlengths 73 34.1k | code_tokens list | docstring stringlengths 3 16k | docstring_tokens list | sha stringlengths 40 40 | url stringlengths 105 339 |
|---|---|---|---|---|---|---|---|---|---|---|---|
118,400 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java | PoolManager.getMinSharePreemptionTimeout | public long getMinSharePreemptionTimeout(String pool) {
if (minSharePreemptionTimeouts.containsKey(pool)) {
return minSharePreemptionTimeouts.get(pool);
} else {
return defaultMinSharePreemptionTimeout;
}
} | java | public long getMinSharePreemptionTimeout(String pool) {
if (minSharePreemptionTimeouts.containsKey(pool)) {
return minSharePreemptionTimeouts.get(pool);
} else {
return defaultMinSharePreemptionTimeout;
}
} | [
"public",
"long",
"getMinSharePreemptionTimeout",
"(",
"String",
"pool",
")",
"{",
"if",
"(",
"minSharePreemptionTimeouts",
".",
"containsKey",
"(",
"pool",
")",
")",
"{",
"return",
"minSharePreemptionTimeouts",
".",
"get",
"(",
"pool",
")",
";",
"}",
"else",
... | Get a pool's min share preemption timeout, in milliseconds. This is the
time after which jobs in the pool may kill other pools' tasks if they
are below their min share. | [
"Get",
"a",
"pool",
"s",
"min",
"share",
"preemption",
"timeout",
"in",
"milliseconds",
".",
"This",
"is",
"the",
"time",
"after",
"which",
"jobs",
"in",
"the",
"pool",
"may",
"kill",
"other",
"pools",
"tasks",
"if",
"they",
"are",
"below",
"their",
"min... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java#L672-L678 |
118,401 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java | PoolManager.getMaxSlots | int getMaxSlots(String poolName, TaskType taskType) {
Map<String, Integer> maxMap = (taskType == TaskType.MAP ?
poolMaxMaps : poolMaxReduces);
if (maxMap.containsKey(poolName)) {
return maxMap.get(poolName);
} else {
return Integer.MAX_VALUE;
}
} | java | int getMaxSlots(String poolName, TaskType taskType) {
Map<String, Integer> maxMap = (taskType == TaskType.MAP ?
poolMaxMaps : poolMaxReduces);
if (maxMap.containsKey(poolName)) {
return maxMap.get(poolName);
} else {
return Integer.MAX_VALUE;
}
} | [
"int",
"getMaxSlots",
"(",
"String",
"poolName",
",",
"TaskType",
"taskType",
")",
"{",
"Map",
"<",
"String",
",",
"Integer",
">",
"maxMap",
"=",
"(",
"taskType",
"==",
"TaskType",
".",
"MAP",
"?",
"poolMaxMaps",
":",
"poolMaxReduces",
")",
";",
"if",
"(... | Get the maximum map or reduce slots for the given pool.
@return the cap set on this pool, or Integer.MAX_VALUE if not set. | [
"Get",
"the",
"maximum",
"map",
"or",
"reduce",
"slots",
"for",
"the",
"given",
"pool",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java#L693-L701 |
118,402 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java | PoolManager.resetRunningTasks | public void resetRunningTasks(TaskType type) {
Map<String, Integer> runningMap = (type == TaskType.MAP ?
poolRunningMaps : poolRunningReduces);
for (String poolName : runningMap.keySet()) {
runningMap.put(poolName, 0);
}
} | java | public void resetRunningTasks(TaskType type) {
Map<String, Integer> runningMap = (type == TaskType.MAP ?
poolRunningMaps : poolRunningReduces);
for (String poolName : runningMap.keySet()) {
runningMap.put(poolName, 0);
}
} | [
"public",
"void",
"resetRunningTasks",
"(",
"TaskType",
"type",
")",
"{",
"Map",
"<",
"String",
",",
"Integer",
">",
"runningMap",
"=",
"(",
"type",
"==",
"TaskType",
".",
"MAP",
"?",
"poolRunningMaps",
":",
"poolRunningReduces",
")",
";",
"for",
"(",
"Str... | Set the number of running tasks in all pools to zero
@param type type of task to be set | [
"Set",
"the",
"number",
"of",
"running",
"tasks",
"in",
"all",
"pools",
"to",
"zero"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java#L711-L717 |
118,403 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java | PoolManager.incRunningTasks | public void incRunningTasks(String poolName, TaskType type, int inc) {
Map<String, Integer> runningMap = (type == TaskType.MAP ?
poolRunningMaps : poolRunningReduces);
if (!runningMap.containsKey(poolName)) {
runningMap.put(poolName, 0);
}
int runningTasks = ... | java | public void incRunningTasks(String poolName, TaskType type, int inc) {
Map<String, Integer> runningMap = (type == TaskType.MAP ?
poolRunningMaps : poolRunningReduces);
if (!runningMap.containsKey(poolName)) {
runningMap.put(poolName, 0);
}
int runningTasks = ... | [
"public",
"void",
"incRunningTasks",
"(",
"String",
"poolName",
",",
"TaskType",
"type",
",",
"int",
"inc",
")",
"{",
"Map",
"<",
"String",
",",
"Integer",
">",
"runningMap",
"=",
"(",
"type",
"==",
"TaskType",
".",
"MAP",
"?",
"poolRunningMaps",
":",
"p... | Set the number of running tasks in a pool
@param poolName name of the pool
@param type type of task to be set
@param runningTasks number of current running tasks | [
"Set",
"the",
"number",
"of",
"running",
"tasks",
"in",
"a",
"pool"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java#L725-L733 |
118,404 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java | PoolManager.getRunningTasks | public int getRunningTasks(String poolName, TaskType type) {
Map<String, Integer> runningMap = (type == TaskType.MAP ?
poolRunningMaps : poolRunningReduces);
return (runningMap.containsKey(poolName) ?
runningMap.get(poolName) : 0);
} | java | public int getRunningTasks(String poolName, TaskType type) {
Map<String, Integer> runningMap = (type == TaskType.MAP ?
poolRunningMaps : poolRunningReduces);
return (runningMap.containsKey(poolName) ?
runningMap.get(poolName) : 0);
} | [
"public",
"int",
"getRunningTasks",
"(",
"String",
"poolName",
",",
"TaskType",
"type",
")",
"{",
"Map",
"<",
"String",
",",
"Integer",
">",
"runningMap",
"=",
"(",
"type",
"==",
"TaskType",
".",
"MAP",
"?",
"poolRunningMaps",
":",
"poolRunningReduces",
")",... | Get the number of running tasks in a pool
@param poolName name of the pool
@param type type of task to be set
@return number of running tasks | [
"Get",
"the",
"number",
"of",
"running",
"tasks",
"in",
"a",
"pool"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java#L741-L746 |
118,405 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java | PoolManager.isMaxTasks | public boolean isMaxTasks(String poolName, TaskType type) {
return getRunningTasks(poolName, type ) >= getMaxSlots(poolName, type);
} | java | public boolean isMaxTasks(String poolName, TaskType type) {
return getRunningTasks(poolName, type ) >= getMaxSlots(poolName, type);
} | [
"public",
"boolean",
"isMaxTasks",
"(",
"String",
"poolName",
",",
"TaskType",
"type",
")",
"{",
"return",
"getRunningTasks",
"(",
"poolName",
",",
"type",
")",
">=",
"getMaxSlots",
"(",
"poolName",
",",
"type",
")",
";",
"}"
] | Is the pool task limit exceeded?
@param poolName name of the pool
@param type type of the task to be check
@return true if the limit is exceeded | [
"Is",
"the",
"pool",
"task",
"limit",
"exceeded?"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java#L754-L756 |
118,406 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java | PoolManager.checkMinimumSlotsAvailable | public boolean checkMinimumSlotsAvailable(
ClusterStatus clusterStatus, TaskType type) {
Map<String, Integer> poolToMinSlots = (type == TaskType.MAP) ?
mapAllocs : reduceAllocs;
int totalSlots = (type == TaskType.MAP) ?
clusterStatus.getMaxMapTasks() : clusterStatus.getMaxReduceTasks();
... | java | public boolean checkMinimumSlotsAvailable(
ClusterStatus clusterStatus, TaskType type) {
Map<String, Integer> poolToMinSlots = (type == TaskType.MAP) ?
mapAllocs : reduceAllocs;
int totalSlots = (type == TaskType.MAP) ?
clusterStatus.getMaxMapTasks() : clusterStatus.getMaxReduceTasks();
... | [
"public",
"boolean",
"checkMinimumSlotsAvailable",
"(",
"ClusterStatus",
"clusterStatus",
",",
"TaskType",
"type",
")",
"{",
"Map",
"<",
"String",
",",
"Integer",
">",
"poolToMinSlots",
"=",
"(",
"type",
"==",
"TaskType",
".",
"MAP",
")",
"?",
"mapAllocs",
":"... | Check if the minimum slots set in the configuration is feasible
@param clusterStatus The current status of the JobTracker
@param type The type of the task to check
@return true if the check is passed | [
"Check",
"if",
"the",
"minimum",
"slots",
"set",
"in",
"the",
"configuration",
"is",
"feasible"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/PoolManager.java#L764-L784 |
118,407 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java | HttpImageUploadChannel.start | public void start() {
try {
if (init) {
setErrorStatus("Cannot initialize multiple times", null);
return;
}
init = true;
HttpPost postRequest = setupRequest(new ByteArrayOutputStream(0));
UploadImageParam.setHeaders(postRequest, journalId, namespaceInfoString,
... | java | public void start() {
try {
if (init) {
setErrorStatus("Cannot initialize multiple times", null);
return;
}
init = true;
HttpPost postRequest = setupRequest(new ByteArrayOutputStream(0));
UploadImageParam.setHeaders(postRequest, journalId, namespaceInfoString,
... | [
"public",
"void",
"start",
"(",
")",
"{",
"try",
"{",
"if",
"(",
"init",
")",
"{",
"setErrorStatus",
"(",
"\"Cannot initialize multiple times\"",
",",
"null",
")",
";",
"return",
";",
"}",
"init",
"=",
"true",
";",
"HttpPost",
"postRequest",
"=",
"setupReq... | Create an image upload channel, based on image txid and other metadata. | [
"Create",
"an",
"image",
"upload",
"channel",
"based",
"on",
"image",
"txid",
"and",
"other",
"metadata",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java#L110-L143 |
118,408 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java | HttpImageUploadChannel.send | public void send(ByteArrayOutputStream bos) {
try {
if (this.isDisabled) {
return;
}
if (available.tryAcquire(WAIT_NEXT_BUFFER_TIME_OUT_SECONDS, TimeUnit.SECONDS)) {
tasks.add(sendExecutor.submit(new SendWorker(bos, segmentId++, false)));
} else {
setErrorStatus("Numb... | java | public void send(ByteArrayOutputStream bos) {
try {
if (this.isDisabled) {
return;
}
if (available.tryAcquire(WAIT_NEXT_BUFFER_TIME_OUT_SECONDS, TimeUnit.SECONDS)) {
tasks.add(sendExecutor.submit(new SendWorker(bos, segmentId++, false)));
} else {
setErrorStatus("Numb... | [
"public",
"void",
"send",
"(",
"ByteArrayOutputStream",
"bos",
")",
"{",
"try",
"{",
"if",
"(",
"this",
".",
"isDisabled",
")",
"{",
"return",
";",
"}",
"if",
"(",
"available",
".",
"tryAcquire",
"(",
"WAIT_NEXT_BUFFER_TIME_OUT_SECONDS",
",",
"TimeUnit",
"."... | Send a chunk of data. | [
"Send",
"a",
"chunk",
"of",
"data",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java#L148-L162 |
118,409 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java | HttpImageUploadChannel.close | public void close() {
if (this.isDisabled || this.closed) {
// parent stream needs to check for success explicitly
return;
}
closed = true;
try {
// send close request
tasks.add(sendExecutor.submit(new SendWorker(
new ByteArrayOutputStream(0), segmentId++, true)));
... | java | public void close() {
if (this.isDisabled || this.closed) {
// parent stream needs to check for success explicitly
return;
}
closed = true;
try {
// send close request
tasks.add(sendExecutor.submit(new SendWorker(
new ByteArrayOutputStream(0), segmentId++, true)));
... | [
"public",
"void",
"close",
"(",
")",
"{",
"if",
"(",
"this",
".",
"isDisabled",
"||",
"this",
".",
"closed",
")",
"{",
"// parent stream needs to check for success explicitly",
"return",
";",
"}",
"closed",
"=",
"true",
";",
"try",
"{",
"// send close request",
... | Close the upload | [
"Close",
"the",
"upload"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java#L167-L190 |
118,410 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java | HttpImageUploadChannel.setupRequest | private HttpPost setupRequest(ByteArrayOutputStream bos) {
ContentBody cb = new ByteArrayBody(bos.toByteArray(), "image");
HttpPost postRequest = new HttpPost(uri + "/uploadImage");
MultipartEntity reqEntity = new MultipartEntity(
HttpMultipartMode.BROWSER_COMPATIBLE);
// add a single part to t... | java | private HttpPost setupRequest(ByteArrayOutputStream bos) {
ContentBody cb = new ByteArrayBody(bos.toByteArray(), "image");
HttpPost postRequest = new HttpPost(uri + "/uploadImage");
MultipartEntity reqEntity = new MultipartEntity(
HttpMultipartMode.BROWSER_COMPATIBLE);
// add a single part to t... | [
"private",
"HttpPost",
"setupRequest",
"(",
"ByteArrayOutputStream",
"bos",
")",
"{",
"ContentBody",
"cb",
"=",
"new",
"ByteArrayBody",
"(",
"bos",
".",
"toByteArray",
"(",
")",
",",
"\"image\"",
")",
";",
"HttpPost",
"postRequest",
"=",
"new",
"HttpPost",
"("... | Create a post request encapsulating bytes from the given
ByteArrayOutputStream. | [
"Create",
"a",
"post",
"request",
"encapsulating",
"bytes",
"from",
"the",
"given",
"ByteArrayOutputStream",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java#L248-L259 |
118,411 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java | HttpImageUploadChannel.setErrorStatus | void setErrorStatus(String msg, Exception e) {
this.e = new IOException(msg + " " + (e == null ? "" : e.toString()));
// no more writes will be accepted
this.isDisabled = true;
// close the executor
sendExecutor.shutdown();
LOG.error(msg, e);
} | java | void setErrorStatus(String msg, Exception e) {
this.e = new IOException(msg + " " + (e == null ? "" : e.toString()));
// no more writes will be accepted
this.isDisabled = true;
// close the executor
sendExecutor.shutdown();
LOG.error(msg, e);
} | [
"void",
"setErrorStatus",
"(",
"String",
"msg",
",",
"Exception",
"e",
")",
"{",
"this",
".",
"e",
"=",
"new",
"IOException",
"(",
"msg",
"+",
"\" \"",
"+",
"(",
"e",
"==",
"null",
"?",
"\"\"",
":",
"e",
".",
"toString",
"(",
")",
")",
")",
";",
... | If any operation for this channel fail, the error status is set. Parent
output stream, based on this information, decides whether the upload can be
still continued with remaining channels. | [
"If",
"any",
"operation",
"for",
"this",
"channel",
"fail",
"the",
"error",
"status",
"is",
"set",
".",
"Parent",
"output",
"stream",
"based",
"on",
"this",
"information",
"decides",
"whether",
"the",
"upload",
"can",
"be",
"still",
"continued",
"with",
"rem... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadChannel.java#L271-L280 |
118,412 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/FairSchedulerAdmissionControlServlet.java | FairSchedulerAdmissionControlServlet.showJobsNotAdmitted | private void showJobsNotAdmitted(
PrintWriter out, Set<String> userFilterSet, Set<String> poolFilterSet) {
out.print("<h2>Not Admitted Jobs</h2>\n");
out.print("<b>Filter</b> " +
"<input type=\"text\" onkeyup=\"filterTables(this.value)\" " +
"id=\"NotAdmittedJobsTableFilter\">" +
"... | java | private void showJobsNotAdmitted(
PrintWriter out, Set<String> userFilterSet, Set<String> poolFilterSet) {
out.print("<h2>Not Admitted Jobs</h2>\n");
out.print("<b>Filter</b> " +
"<input type=\"text\" onkeyup=\"filterTables(this.value)\" " +
"id=\"NotAdmittedJobsTableFilter\">" +
"... | [
"private",
"void",
"showJobsNotAdmitted",
"(",
"PrintWriter",
"out",
",",
"Set",
"<",
"String",
">",
"userFilterSet",
",",
"Set",
"<",
"String",
">",
"poolFilterSet",
")",
"{",
"out",
".",
"print",
"(",
"\"<h2>Not Admitted Jobs</h2>\\n\"",
")",
";",
"out",
"."... | Print a view of not admitted jobs to the given output writer.
@param out Where to dump the oiutput
@param userFilterSet Only show jobs from these users if not null
@param poolFilterSet Only show jobs from these pools if not null | [
"Print",
"a",
"view",
"of",
"not",
"admitted",
"jobs",
"to",
"the",
"given",
"output",
"writer",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/FairSchedulerAdmissionControlServlet.java#L196-L253 |
118,413 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/Statistics.java | Statistics.addSourceFile | public boolean addSourceFile(FileSystem fs, PolicyInfo info, FileStatus src,
RaidState.Checker checker, long now, int targetReplication)
throws IOException {
RaidState state = checker.check(info, src, now, false);
Counters counters = stateToSourceCounters.get(state);
counters.inc(src);
if (s... | java | public boolean addSourceFile(FileSystem fs, PolicyInfo info, FileStatus src,
RaidState.Checker checker, long now, int targetReplication)
throws IOException {
RaidState state = checker.check(info, src, now, false);
Counters counters = stateToSourceCounters.get(state);
counters.inc(src);
if (s... | [
"public",
"boolean",
"addSourceFile",
"(",
"FileSystem",
"fs",
",",
"PolicyInfo",
"info",
",",
"FileStatus",
"src",
",",
"RaidState",
".",
"Checker",
"checker",
",",
"long",
"now",
",",
"int",
"targetReplication",
")",
"throws",
"IOException",
"{",
"RaidState",
... | Collect the statistics of a source file. Return true if the file should be
raided but not. | [
"Collect",
"the",
"statistics",
"of",
"a",
"source",
"file",
".",
"Return",
"true",
"if",
"the",
"file",
"should",
"be",
"raided",
"but",
"not",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/Statistics.java#L158-L178 |
118,414 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/Statistics.java | Statistics.getSaving | public long getSaving(Configuration conf) {
try {
DFSClient dfs = ((DistributedFileSystem)FileSystem.get(conf)).getClient();
Counters raidedCounters = stateToSourceCounters.get(RaidState.RAIDED);
long physical = raidedCounters.getNumBytes() +
parityCounters.getNumBytes();
long logi... | java | public long getSaving(Configuration conf) {
try {
DFSClient dfs = ((DistributedFileSystem)FileSystem.get(conf)).getClient();
Counters raidedCounters = stateToSourceCounters.get(RaidState.RAIDED);
long physical = raidedCounters.getNumBytes() +
parityCounters.getNumBytes();
long logi... | [
"public",
"long",
"getSaving",
"(",
"Configuration",
"conf",
")",
"{",
"try",
"{",
"DFSClient",
"dfs",
"=",
"(",
"(",
"DistributedFileSystem",
")",
"FileSystem",
".",
"get",
"(",
"conf",
")",
")",
".",
"getClient",
"(",
")",
";",
"Counters",
"raidedCounter... | Get the saving of this code in bytes
@return The saving in bytes | [
"Get",
"the",
"saving",
"of",
"this",
"code",
"in",
"bytes"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/Statistics.java#L237-L248 |
118,415 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/Statistics.java | Statistics.getDoneSaving | public long getDoneSaving(Configuration conf) {
try {
DFSClient dfs = ((DistributedFileSystem)FileSystem.get(conf)).getClient();
Counters raidedCounters = stateToSourceCounters.get(RaidState.RAIDED);
Counters shouldRaidCounters =
stateToSourceCounters.get(RaidState.NOT_RAIDED_BUT_SHOULD)... | java | public long getDoneSaving(Configuration conf) {
try {
DFSClient dfs = ((DistributedFileSystem)FileSystem.get(conf)).getClient();
Counters raidedCounters = stateToSourceCounters.get(RaidState.RAIDED);
Counters shouldRaidCounters =
stateToSourceCounters.get(RaidState.NOT_RAIDED_BUT_SHOULD)... | [
"public",
"long",
"getDoneSaving",
"(",
"Configuration",
"conf",
")",
"{",
"try",
"{",
"DFSClient",
"dfs",
"=",
"(",
"(",
"DistributedFileSystem",
")",
"FileSystem",
".",
"get",
"(",
"conf",
")",
")",
".",
"getClient",
"(",
")",
";",
"Counters",
"raidedCou... | Get the estimated saving of this code in bytes when RAIDing is done
@return The saving in bytes | [
"Get",
"the",
"estimated",
"saving",
"of",
"this",
"code",
"in",
"bytes",
"when",
"RAIDing",
"is",
"done"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/Statistics.java#L254-L267 |
118,416 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/conf/Configuration.java | Configuration.removeDefaultResource | public static synchronized void removeDefaultResource(String name) {
if(defaultResources.contains(name)) {
defaultResources.remove(name);
for(Configuration conf : REGISTRY.keySet()) {
if(conf.loadDefaults) {
conf.reloadConfiguration();
}
}
}
} | java | public static synchronized void removeDefaultResource(String name) {
if(defaultResources.contains(name)) {
defaultResources.remove(name);
for(Configuration conf : REGISTRY.keySet()) {
if(conf.loadDefaults) {
conf.reloadConfiguration();
}
}
}
} | [
"public",
"static",
"synchronized",
"void",
"removeDefaultResource",
"(",
"String",
"name",
")",
"{",
"if",
"(",
"defaultResources",
".",
"contains",
"(",
"name",
")",
")",
"{",
"defaultResources",
".",
"remove",
"(",
"name",
")",
";",
"for",
"(",
"Configura... | Remove default resource | [
"Remove",
"default",
"resource"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/Configuration.java#L324-L333 |
118,417 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/conf/Configuration.java | Configuration.loadEntireJsonObject | private void loadEntireJsonObject(JSONObject json) throws JSONException {
Iterator<?> it = json.keys();
while (it.hasNext()) {
// This key is something like core-site.xml or hdfs-site.xml
Object obj = it.next();
if (!(obj instanceof String)) {
LOG.warn("Object not instance of string : ... | java | private void loadEntireJsonObject(JSONObject json) throws JSONException {
Iterator<?> it = json.keys();
while (it.hasNext()) {
// This key is something like core-site.xml or hdfs-site.xml
Object obj = it.next();
if (!(obj instanceof String)) {
LOG.warn("Object not instance of string : ... | [
"private",
"void",
"loadEntireJsonObject",
"(",
"JSONObject",
"json",
")",
"throws",
"JSONException",
"{",
"Iterator",
"<",
"?",
">",
"it",
"=",
"json",
".",
"keys",
"(",
")",
";",
"while",
"(",
"it",
".",
"hasNext",
"(",
")",
")",
"{",
"// This key is s... | Loads an entire json configuration object which would mostly contain many
sub-sections like "core-site.xml" and "hdfs-site.xml"
@param json
the json object to load
@throws JSONException
on error | [
"Loads",
"an",
"entire",
"json",
"configuration",
"object",
"which",
"would",
"mostly",
"contain",
"many",
"sub",
"-",
"sections",
"like",
"core",
"-",
"site",
".",
"xml",
"and",
"hdfs",
"-",
"site",
".",
"xml"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/Configuration.java#L1127-L1140 |
118,418 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/conf/Configuration.java | Configuration.xmlToThrift | public String xmlToThrift(String name) {
name = name.replace("-custom.xml", "");
name = name.replace(".xml", "");
name = name.replace("-", "_");
return name;
} | java | public String xmlToThrift(String name) {
name = name.replace("-custom.xml", "");
name = name.replace(".xml", "");
name = name.replace("-", "_");
return name;
} | [
"public",
"String",
"xmlToThrift",
"(",
"String",
"name",
")",
"{",
"name",
"=",
"name",
".",
"replace",
"(",
"\"-custom.xml\"",
",",
"\"\"",
")",
";",
"name",
"=",
"name",
".",
"replace",
"(",
"\".xml\"",
",",
"\"\"",
")",
";",
"name",
"=",
"name",
... | Maps xml configs to their respective key names
in the file config.materialized_JSON | [
"Maps",
"xml",
"configs",
"to",
"their",
"respective",
"key",
"names",
"in",
"the",
"file",
"config",
".",
"materialized_JSON"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/Configuration.java#L1348-L1353 |
118,419 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/conf/Configuration.java | Configuration.instantiateJsonObject | public JSONObject instantiateJsonObject(InputStream in) throws IOException,
JSONException {
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
StringBuffer contents = new StringBuffer();
String text = null;
while ((text ... | java | public JSONObject instantiateJsonObject(InputStream in) throws IOException,
JSONException {
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
StringBuffer contents = new StringBuffer();
String text = null;
while ((text ... | [
"public",
"JSONObject",
"instantiateJsonObject",
"(",
"InputStream",
"in",
")",
"throws",
"IOException",
",",
"JSONException",
"{",
"BufferedReader",
"reader",
"=",
"new",
"BufferedReader",
"(",
"new",
"InputStreamReader",
"(",
"in",
")",
")",
";",
"StringBuffer",
... | Given an input stream, read in the contents of the file
and instantiate a JSON object if it exists. | [
"Given",
"an",
"input",
"stream",
"read",
"in",
"the",
"contents",
"of",
"the",
"file",
"and",
"instantiate",
"a",
"JSON",
"object",
"if",
"it",
"exists",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/Configuration.java#L1359-L1370 |
118,420 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/conf/Configuration.java | Configuration.getJsonConfig | public JSONObject getJsonConfig(String name) throws IOException,
JSONException {
if (name.endsWith(".xml")) {
URL url = getResource(MATERIALIZEDJSON);
if (url != null) {
InputStream in = url.openStream();
if (in != null) {
... | java | public JSONObject getJsonConfig(String name) throws IOException,
JSONException {
if (name.endsWith(".xml")) {
URL url = getResource(MATERIALIZEDJSON);
if (url != null) {
InputStream in = url.openStream();
if (in != null) {
... | [
"public",
"JSONObject",
"getJsonConfig",
"(",
"String",
"name",
")",
"throws",
"IOException",
",",
"JSONException",
"{",
"if",
"(",
"name",
".",
"endsWith",
"(",
"\".xml\"",
")",
")",
"{",
"URL",
"url",
"=",
"getResource",
"(",
"MATERIALIZEDJSON",
")",
";",
... | Given a xml config file specified as a string, return the
corresponding json object if it exists. | [
"Given",
"a",
"xml",
"config",
"file",
"specified",
"as",
"a",
"string",
"return",
"the",
"corresponding",
"json",
"object",
"if",
"it",
"exists",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/Configuration.java#L1376-L1391 |
118,421 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/conf/Configuration.java | Configuration.getJsonConfig | public JSONObject getJsonConfig(Path name)
throws IOException, JSONException {
String pathString = name.toUri().getPath();
String xml = new Path(pathString).getName();
File jsonFile = new File(pathString.replace(xml, MATERIALIZEDJSON))
.getAbsoluteFile();
if (jsonFile.exists()) {
Inp... | java | public JSONObject getJsonConfig(Path name)
throws IOException, JSONException {
String pathString = name.toUri().getPath();
String xml = new Path(pathString).getName();
File jsonFile = new File(pathString.replace(xml, MATERIALIZEDJSON))
.getAbsoluteFile();
if (jsonFile.exists()) {
Inp... | [
"public",
"JSONObject",
"getJsonConfig",
"(",
"Path",
"name",
")",
"throws",
"IOException",
",",
"JSONException",
"{",
"String",
"pathString",
"=",
"name",
".",
"toUri",
"(",
")",
".",
"getPath",
"(",
")",
";",
"String",
"xml",
"=",
"new",
"Path",
"(",
"... | Given a xml config file specified by a path, return the corresponding json
object if it exists. | [
"Given",
"a",
"xml",
"config",
"file",
"specified",
"by",
"a",
"path",
"return",
"the",
"corresponding",
"json",
"object",
"if",
"it",
"exists",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/Configuration.java#L1397-L1414 |
118,422 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/conf/Configuration.java | Configuration.convertFile | private Object convertFile(Object name) throws IOException, JSONException{
if (name instanceof String) {
String file = (String) name;
JSONObject json = getJsonConfig(file);
if (json!=null) {
return json;
}
} else if (name instanceof Path) {
Path file = (Path)name;
... | java | private Object convertFile(Object name) throws IOException, JSONException{
if (name instanceof String) {
String file = (String) name;
JSONObject json = getJsonConfig(file);
if (json!=null) {
return json;
}
} else if (name instanceof Path) {
Path file = (Path)name;
... | [
"private",
"Object",
"convertFile",
"(",
"Object",
"name",
")",
"throws",
"IOException",
",",
"JSONException",
"{",
"if",
"(",
"name",
"instanceof",
"String",
")",
"{",
"String",
"file",
"=",
"(",
"String",
")",
"name",
";",
"JSONObject",
"json",
"=",
"get... | Given a xml config file, return the corresponding json
object if it exists. | [
"Given",
"a",
"xml",
"config",
"file",
"return",
"the",
"corresponding",
"json",
"object",
"if",
"it",
"exists",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/Configuration.java#L1420-L1435 |
118,423 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/conf/Configuration.java | Configuration.loadJsonResource | private void loadJsonResource(JSONObject json, Properties properties, Object name)
throws JSONException {
Iterator<?> keys = json.keys();
while (keys.hasNext()) {
Object obj = keys.next();
if (!(obj instanceof String)) {
LOG.warn("Object not instance of string... | java | private void loadJsonResource(JSONObject json, Properties properties, Object name)
throws JSONException {
Iterator<?> keys = json.keys();
while (keys.hasNext()) {
Object obj = keys.next();
if (!(obj instanceof String)) {
LOG.warn("Object not instance of string... | [
"private",
"void",
"loadJsonResource",
"(",
"JSONObject",
"json",
",",
"Properties",
"properties",
",",
"Object",
"name",
")",
"throws",
"JSONException",
"{",
"Iterator",
"<",
"?",
">",
"keys",
"=",
"json",
".",
"keys",
"(",
")",
";",
"while",
"(",
"keys",... | Helper function to loadResource that adds resources to the
properties parameter by parsing through a json object. | [
"Helper",
"function",
"to",
"loadResource",
"that",
"adds",
"resources",
"to",
"the",
"properties",
"parameter",
"by",
"parsing",
"through",
"a",
"json",
"object",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/Configuration.java#L1441-L1483 |
118,424 | facebookarchive/hadoop-20 | src/contrib/seekablecompression/src/java/org/apache/hadoop/io/simpleseekableformat/DataSegmentWriter.java | DataSegmentWriter.writeTo | void writeTo(DataOutputStream out) throws IOException {
// We do the UTF8 conversion ourselves instead of relying on DataOutput
// to ensure we strictly follow UTF-8 standard, as well as better performance,
// and save the code to count the UTF-8 bytes (we need that to calculate
// the total length.
... | java | void writeTo(DataOutputStream out) throws IOException {
// We do the UTF8 conversion ourselves instead of relying on DataOutput
// to ensure we strictly follow UTF-8 standard, as well as better performance,
// and save the code to count the UTF-8 bytes (we need that to calculate
// the total length.
... | [
"void",
"writeTo",
"(",
"DataOutputStream",
"out",
")",
"throws",
"IOException",
"{",
"// We do the UTF8 conversion ourselves instead of relying on DataOutput",
"// to ensure we strictly follow UTF-8 standard, as well as better performance,",
"// and save the code to count the UTF-8 bytes (we ... | Write this data segment into an OutputStream. | [
"Write",
"this",
"data",
"segment",
"into",
"an",
"OutputStream",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/seekablecompression/src/java/org/apache/hadoop/io/simpleseekableformat/DataSegmentWriter.java#L88-L103 |
118,425 | facebookarchive/hadoop-20 | src/contrib/seekablecompression/src/java/org/apache/hadoop/io/simpleseekableformat/DataSegmentWriter.java | DataSegmentWriter.getCodecNameUTF8 | static byte[] getCodecNameUTF8(String compressionCodecName) {
byte[] codecNameBytes = CODEC_NAME_CACHE.get(compressionCodecName);
if (codecNameBytes == null) {
try {
codecNameBytes = compressionCodecName.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new RuntimeE... | java | static byte[] getCodecNameUTF8(String compressionCodecName) {
byte[] codecNameBytes = CODEC_NAME_CACHE.get(compressionCodecName);
if (codecNameBytes == null) {
try {
codecNameBytes = compressionCodecName.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new RuntimeE... | [
"static",
"byte",
"[",
"]",
"getCodecNameUTF8",
"(",
"String",
"compressionCodecName",
")",
"{",
"byte",
"[",
"]",
"codecNameBytes",
"=",
"CODEC_NAME_CACHE",
".",
"get",
"(",
"compressionCodecName",
")",
";",
"if",
"(",
"codecNameBytes",
"==",
"null",
")",
"{"... | Convert from String to UTF8 byte array. | [
"Convert",
"from",
"String",
"to",
"UTF8",
"byte",
"array",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/seekablecompression/src/java/org/apache/hadoop/io/simpleseekableformat/DataSegmentWriter.java#L113-L124 |
118,426 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/server/datanode/BlockSender.java | BlockSender.sendChunks | private int sendChunks(ByteBuffer pkt, int maxChunks, OutputStream out)
throws IOException {
// Sends multiple chunks in one packet with a single write().
int len = (int) Math.min(endOffset - offset,
(((long) bytesPerChecksum) * ((long) maxChunks)));
/... | java | private int sendChunks(ByteBuffer pkt, int maxChunks, OutputStream out)
throws IOException {
// Sends multiple chunks in one packet with a single write().
int len = (int) Math.min(endOffset - offset,
(((long) bytesPerChecksum) * ((long) maxChunks)));
/... | [
"private",
"int",
"sendChunks",
"(",
"ByteBuffer",
"pkt",
",",
"int",
"maxChunks",
",",
"OutputStream",
"out",
")",
"throws",
"IOException",
"{",
"// Sends multiple chunks in one packet with a single write().",
"int",
"len",
"=",
"(",
"int",
")",
"Math",
".",
"min",... | Sends upto maxChunks chunks of data.
When blockInPosition is >= 0, assumes 'out' is a
{@link SocketOutputStream} and tries
{@link SocketOutputStream#transferToFully(FileChannel, long, int)} to
send data (and updates blockInPosition). | [
"Sends",
"upto",
"maxChunks",
"chunks",
"of",
"data",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/datanode/BlockSender.java#L256-L307 |
118,427 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/server/namenode/InitialReportWorker.java | InitialReportWorker.insertCurrentStoredBlockIntoList | private void insertCurrentStoredBlockIntoList() {
// index < 0 - block is already in the DN's list
if (currentStoredBlock == null || currentStoredBlockIndex < 0)
return;
if (head == null) {
// local list is empty,
// make head and tail point to the input block
head = currentStoredBl... | java | private void insertCurrentStoredBlockIntoList() {
// index < 0 - block is already in the DN's list
if (currentStoredBlock == null || currentStoredBlockIndex < 0)
return;
if (head == null) {
// local list is empty,
// make head and tail point to the input block
head = currentStoredBl... | [
"private",
"void",
"insertCurrentStoredBlockIntoList",
"(",
")",
"{",
"// index < 0 - block is already in the DN's list",
"if",
"(",
"currentStoredBlock",
"==",
"null",
"||",
"currentStoredBlockIndex",
"<",
"0",
")",
"return",
";",
"if",
"(",
"head",
"==",
"null",
")"... | Insert the current stored block into the local list of blocks belonging to
the datanode descriptor. | [
"Insert",
"the",
"current",
"stored",
"block",
"into",
"the",
"local",
"list",
"of",
"blocks",
"belonging",
"to",
"the",
"datanode",
"descriptor",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/InitialReportWorker.java#L159-L190 |
118,428 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/server/namenode/InitialReportWorker.java | InitialReportWorker.processReport | static void processReport(FSNamesystem namesystem, Collection<Block> toRetry,
BlockListAsLongs newReport, DatanodeDescriptor node,
ExecutorService initialBlockReportExecutor) throws IOException {
// spawn one thread for blocksPerShardBR blocks
int numShards = Math
.min(
namesyste... | java | static void processReport(FSNamesystem namesystem, Collection<Block> toRetry,
BlockListAsLongs newReport, DatanodeDescriptor node,
ExecutorService initialBlockReportExecutor) throws IOException {
// spawn one thread for blocksPerShardBR blocks
int numShards = Math
.min(
namesyste... | [
"static",
"void",
"processReport",
"(",
"FSNamesystem",
"namesystem",
",",
"Collection",
"<",
"Block",
">",
"toRetry",
",",
"BlockListAsLongs",
"newReport",
",",
"DatanodeDescriptor",
"node",
",",
"ExecutorService",
"initialBlockReportExecutor",
")",
"throws",
"IOExcept... | Processes a single initial block reports, by spawning multiple threads to
handle insertion to the blocks map. Each thread stores the inserted blocks
in a local list, and at the end, the list are concatenated for a single
datanode descriptor. | [
"Processes",
"a",
"single",
"initial",
"block",
"reports",
"by",
"spawning",
"multiple",
"threads",
"to",
"handle",
"insertion",
"to",
"the",
"blocks",
"map",
".",
"Each",
"thread",
"stores",
"the",
"inserted",
"blocks",
"in",
"a",
"local",
"list",
"and",
"a... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/InitialReportWorker.java#L207-L241 |
118,429 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/LeaseRenewal.java | LeaseRenewal.computeRenewalPeriod | private long computeRenewalPeriod() {
long hardLeaseLimit = conf.getLong(
FSConstants.DFS_HARD_LEASE_KEY, FSConstants.LEASE_HARDLIMIT_PERIOD);
long softLeaseLimit = conf.getLong(
FSConstants.DFS_SOFT_LEASE_KEY, FSConstants.LEASE_SOFTLIMIT_PERIOD);
long renewal = Math.min(hardLeaseLimit, soft... | java | private long computeRenewalPeriod() {
long hardLeaseLimit = conf.getLong(
FSConstants.DFS_HARD_LEASE_KEY, FSConstants.LEASE_HARDLIMIT_PERIOD);
long softLeaseLimit = conf.getLong(
FSConstants.DFS_SOFT_LEASE_KEY, FSConstants.LEASE_SOFTLIMIT_PERIOD);
long renewal = Math.min(hardLeaseLimit, soft... | [
"private",
"long",
"computeRenewalPeriod",
"(",
")",
"{",
"long",
"hardLeaseLimit",
"=",
"conf",
".",
"getLong",
"(",
"FSConstants",
".",
"DFS_HARD_LEASE_KEY",
",",
"FSConstants",
".",
"LEASE_HARDLIMIT_PERIOD",
")",
";",
"long",
"softLeaseLimit",
"=",
"conf",
".",... | Computes the renewal period for the lease.
@return the renewal period in ms | [
"Computes",
"the",
"renewal",
"period",
"for",
"the",
"lease",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/LeaseRenewal.java#L58-L69 |
118,430 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/net/InetSocketAddressFactory.java | InetSocketAddressFactory.createWithResolveRetry | public static InetSocketAddress createWithResolveRetry(
String hostname,
int port
) {
return createWithResolveRetry(
hostname,
port,
DEFAULT_DELAY_MILLIS,
DEFAULT_MAX_ATTEMPTS
);
} | java | public static InetSocketAddress createWithResolveRetry(
String hostname,
int port
) {
return createWithResolveRetry(
hostname,
port,
DEFAULT_DELAY_MILLIS,
DEFAULT_MAX_ATTEMPTS
);
} | [
"public",
"static",
"InetSocketAddress",
"createWithResolveRetry",
"(",
"String",
"hostname",
",",
"int",
"port",
")",
"{",
"return",
"createWithResolveRetry",
"(",
"hostname",
",",
"port",
",",
"DEFAULT_DELAY_MILLIS",
",",
"DEFAULT_MAX_ATTEMPTS",
")",
";",
"}"
] | Utility function to create an InetSocketAddress that has been resolved.
Retries once and sleeps 100ms between the failure and the retry
@param hostname
@param port
@return InetSocketAddress, may be unresolved if both attempts fail | [
"Utility",
"function",
"to",
"create",
"an",
"InetSocketAddress",
"that",
"has",
"been",
"resolved",
".",
"Retries",
"once",
"and",
"sleeps",
"100ms",
"between",
"the",
"failure",
"and",
"the",
"retry"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/net/InetSocketAddressFactory.java#L21-L31 |
118,431 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/net/InetSocketAddressFactory.java | InetSocketAddressFactory.createWithResolveRetry | public static InetSocketAddress createWithResolveRetry(
String hostname,
int port,
int delayMillis,
int maxAttempt
) {
InetSocketAddress socketAddress;
int attempts = 0;
do {
socketAddress = new InetSocketAddress(hostname, port);
// if dns failed, try one more time
if (s... | java | public static InetSocketAddress createWithResolveRetry(
String hostname,
int port,
int delayMillis,
int maxAttempt
) {
InetSocketAddress socketAddress;
int attempts = 0;
do {
socketAddress = new InetSocketAddress(hostname, port);
// if dns failed, try one more time
if (s... | [
"public",
"static",
"InetSocketAddress",
"createWithResolveRetry",
"(",
"String",
"hostname",
",",
"int",
"port",
",",
"int",
"delayMillis",
",",
"int",
"maxAttempt",
")",
"{",
"InetSocketAddress",
"socketAddress",
";",
"int",
"attempts",
"=",
"0",
";",
"do",
"{... | Utility function to create an InetSocketAddress that has been resolved.
Retries with a small sleep in between
@param hostname - host
@param port - port
@param delayMillis - millis to sleep between attempts
@param maxAttempt - max total attempts to retry
@return InetSocketAddress, may be unresolved if all attempts fail | [
"Utility",
"function",
"to",
"create",
"an",
"InetSocketAddress",
"that",
"has",
"been",
"resolved",
".",
"Retries",
"with",
"a",
"small",
"sleep",
"in",
"between"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/net/InetSocketAddressFactory.java#L43-L76 |
118,432 | facebookarchive/hadoop-20 | src/contrib/benchmark/src/java/org/apache/hadoop/hdfs/StructureGenerator.java | StructureGenerator.run | public int run(String[] args) throws Exception {
int exitCode = 0;
exitCode = init(args);
if (exitCode != 0) {
return exitCode;
}
genDirStructure();
output(new File(outDir, DIR_STRUCTURE_FILE_NAME));
genFileStructure();
outputFiles(new File(outDir, FILE_STRUCTURE_FILE_NAME));
r... | java | public int run(String[] args) throws Exception {
int exitCode = 0;
exitCode = init(args);
if (exitCode != 0) {
return exitCode;
}
genDirStructure();
output(new File(outDir, DIR_STRUCTURE_FILE_NAME));
genFileStructure();
outputFiles(new File(outDir, FILE_STRUCTURE_FILE_NAME));
r... | [
"public",
"int",
"run",
"(",
"String",
"[",
"]",
"args",
")",
"throws",
"Exception",
"{",
"int",
"exitCode",
"=",
"0",
";",
"exitCode",
"=",
"init",
"(",
"args",
")",
";",
"if",
"(",
"exitCode",
"!=",
"0",
")",
"{",
"return",
"exitCode",
";",
"}",
... | The main function first parses the command line arguments,
then generates in-memory directory structure and outputs to a file,
last generates in-memory files and outputs them to a file. | [
"The",
"main",
"function",
"first",
"parses",
"the",
"command",
"line",
"arguments",
"then",
"generates",
"in",
"-",
"memory",
"directory",
"structure",
"and",
"outputs",
"to",
"a",
"file",
"last",
"generates",
"in",
"-",
"memory",
"files",
"and",
"outputs",
... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/benchmark/src/java/org/apache/hadoop/hdfs/StructureGenerator.java#L86-L97 |
118,433 | facebookarchive/hadoop-20 | src/contrib/benchmark/src/java/org/apache/hadoop/hdfs/StructureGenerator.java | StructureGenerator.getLeaves | private List<INode> getLeaves() {
List<INode> leaveDirs = new ArrayList<INode>();
root.getLeaves(leaveDirs);
return leaveDirs;
} | java | private List<INode> getLeaves() {
List<INode> leaveDirs = new ArrayList<INode>();
root.getLeaves(leaveDirs);
return leaveDirs;
} | [
"private",
"List",
"<",
"INode",
">",
"getLeaves",
"(",
")",
"{",
"List",
"<",
"INode",
">",
"leaveDirs",
"=",
"new",
"ArrayList",
"<",
"INode",
">",
"(",
")",
";",
"root",
".",
"getLeaves",
"(",
"leaveDirs",
")",
";",
"return",
"leaveDirs",
";",
"}"... | Collects leaf nodes in the tree | [
"Collects",
"leaf",
"nodes",
"in",
"the",
"tree"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/benchmark/src/java/org/apache/hadoop/hdfs/StructureGenerator.java#L255-L259 |
118,434 | facebookarchive/hadoop-20 | src/contrib/benchmark/src/java/org/apache/hadoop/hdfs/StructureGenerator.java | StructureGenerator.genFileStructure | private void genFileStructure() {
List<INode> leaves = getLeaves();
int totalLeaves = leaves.size();
for (int i=0; i<numOfFiles; i++) {
int leaveNum = r.nextInt(totalLeaves);
double fileSize;
do {
fileSize = r.nextGaussian()+avgFileSize;
} while (fileSize<0);
leaves.get... | java | private void genFileStructure() {
List<INode> leaves = getLeaves();
int totalLeaves = leaves.size();
for (int i=0; i<numOfFiles; i++) {
int leaveNum = r.nextInt(totalLeaves);
double fileSize;
do {
fileSize = r.nextGaussian()+avgFileSize;
} while (fileSize<0);
leaves.get... | [
"private",
"void",
"genFileStructure",
"(",
")",
"{",
"List",
"<",
"INode",
">",
"leaves",
"=",
"getLeaves",
"(",
")",
";",
"int",
"totalLeaves",
"=",
"leaves",
".",
"size",
"(",
")",
";",
"for",
"(",
"int",
"i",
"=",
"0",
";",
"i",
"<",
"numOfFile... | Decides where to place all the files and its length.
It first collects all empty directories in the tree.
For each file, it randomly chooses an empty directory to place the file.
The file's length is generated using Gaussian distribution. | [
"Decides",
"where",
"to",
"place",
"all",
"the",
"files",
"and",
"its",
"length",
".",
"It",
"first",
"collects",
"all",
"empty",
"directories",
"in",
"the",
"tree",
".",
"For",
"each",
"file",
"it",
"randomly",
"chooses",
"an",
"empty",
"directory",
"to",... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/benchmark/src/java/org/apache/hadoop/hdfs/StructureGenerator.java#L266-L278 |
118,435 | facebookarchive/hadoop-20 | src/contrib/benchmark/src/java/org/apache/hadoop/hdfs/StructureGenerator.java | StructureGenerator.output | private void output(File outFile) throws FileNotFoundException {
System.out.println("Printing to " + outFile.toString());
PrintStream out = new PrintStream(outFile);
root.output(out, null);
out.close();
} | java | private void output(File outFile) throws FileNotFoundException {
System.out.println("Printing to " + outFile.toString());
PrintStream out = new PrintStream(outFile);
root.output(out, null);
out.close();
} | [
"private",
"void",
"output",
"(",
"File",
"outFile",
")",
"throws",
"FileNotFoundException",
"{",
"System",
".",
"out",
".",
"println",
"(",
"\"Printing to \"",
"+",
"outFile",
".",
"toString",
"(",
")",
")",
";",
"PrintStream",
"out",
"=",
"new",
"PrintStre... | Output directory structure to a file, each line of the file
contains the directory name. Only empty directory names are printed. | [
"Output",
"directory",
"structure",
"to",
"a",
"file",
"each",
"line",
"of",
"the",
"file",
"contains",
"the",
"directory",
"name",
".",
"Only",
"empty",
"directory",
"names",
"are",
"printed",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/benchmark/src/java/org/apache/hadoop/hdfs/StructureGenerator.java#L282-L287 |
118,436 | facebookarchive/hadoop-20 | src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/NotAdmittedJobInfo.java | NotAdmittedJobInfo.getReasoning | public static String getReasoning(final BlockedAdmissionReason reason,
final int reasonLimit, final int reasonActualValue,
final int hardAdmissionPosition,
JobAdmissionWaitInfo jobAdmissionWaitInfo) {
if (reason == BlockedAdmissionReason.HARD_CLUSTER_WIDE_MAX_TASKS_EXCEEDED) {
if (jobAdmissi... | java | public static String getReasoning(final BlockedAdmissionReason reason,
final int reasonLimit, final int reasonActualValue,
final int hardAdmissionPosition,
JobAdmissionWaitInfo jobAdmissionWaitInfo) {
if (reason == BlockedAdmissionReason.HARD_CLUSTER_WIDE_MAX_TASKS_EXCEEDED) {
if (jobAdmissi... | [
"public",
"static",
"String",
"getReasoning",
"(",
"final",
"BlockedAdmissionReason",
"reason",
",",
"final",
"int",
"reasonLimit",
",",
"final",
"int",
"reasonActualValue",
",",
"final",
"int",
"hardAdmissionPosition",
",",
"JobAdmissionWaitInfo",
"jobAdmissionWaitInfo",... | Compose the reason message.
@param reason Reason why not admitted
@param reasonLimit Limit exceeded
@param reasonActualValue Actual value that exceed limit
@param hardAdmissionPosition If in hard admission control, position in
the queue
@return String explaining the issue | [
"Compose",
"the",
"reason",
"message",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/NotAdmittedJobInfo.java#L65-L98 |
118,437 | facebookarchive/hadoop-20 | src/mapred/org/apache/hadoop/mapred/pipes/PipesPartitioner.java | PipesPartitioner.getPartition | public int getPartition(K key, V value,
int numPartitions) {
Integer result = cache.get();
if (result == null) {
return part.getPartition(key, value, numPartitions);
} else {
return result;
}
} | java | public int getPartition(K key, V value,
int numPartitions) {
Integer result = cache.get();
if (result == null) {
return part.getPartition(key, value, numPartitions);
} else {
return result;
}
} | [
"public",
"int",
"getPartition",
"(",
"K",
"key",
",",
"V",
"value",
",",
"int",
"numPartitions",
")",
"{",
"Integer",
"result",
"=",
"cache",
".",
"get",
"(",
")",
";",
"if",
"(",
"result",
"==",
"null",
")",
"{",
"return",
"part",
".",
"getPartitio... | If a partition result was set manually, return it. Otherwise, we call
the Java partitioner.
@param key the key to partition
@param value the value to partition
@param numPartitions the number of reduces | [
"If",
"a",
"partition",
"result",
"was",
"set",
"manually",
"return",
"it",
".",
"Otherwise",
"we",
"call",
"the",
"Java",
"partitioner",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/pipes/PipesPartitioner.java#L59-L67 |
118,438 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.isParityFile | boolean isParityFile(Path p, Codec c) {
return isParityFile(p.toUri().getPath(), c);
} | java | boolean isParityFile(Path p, Codec c) {
return isParityFile(p.toUri().getPath(), c);
} | [
"boolean",
"isParityFile",
"(",
"Path",
"p",
",",
"Codec",
"c",
")",
"{",
"return",
"isParityFile",
"(",
"p",
".",
"toUri",
"(",
")",
".",
"getPath",
"(",
")",
",",
"c",
")",
";",
"}"
] | Is the path a parity file of a given Codec? | [
"Is",
"the",
"path",
"a",
"parity",
"file",
"of",
"a",
"given",
"Codec?"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L81-L83 |
118,439 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.reconstructFile | boolean reconstructFile(Path srcPath, Context context)
throws IOException, InterruptedException {
Progressable progress = context;
if (progress == null) {
progress = RaidUtils.NULL_PROGRESSABLE;
}
FileSystem fs = srcPath.getFileSystem(getConf());
FileStatus srcStat = null;
try {... | java | boolean reconstructFile(Path srcPath, Context context)
throws IOException, InterruptedException {
Progressable progress = context;
if (progress == null) {
progress = RaidUtils.NULL_PROGRESSABLE;
}
FileSystem fs = srcPath.getFileSystem(getConf());
FileStatus srcStat = null;
try {... | [
"boolean",
"reconstructFile",
"(",
"Path",
"srcPath",
",",
"Context",
"context",
")",
"throws",
"IOException",
",",
"InterruptedException",
"{",
"Progressable",
"progress",
"=",
"context",
";",
"if",
"(",
"progress",
"==",
"null",
")",
"{",
"progress",
"=",
"R... | Fix a file, report progess.
@return true if file was reconstructed, false if no reconstruction
was necessary or possible. | [
"Fix",
"a",
"file",
"report",
"progess",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L98-L157 |
118,440 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.sortLostFiles | void sortLostFiles(List<String> files) {
// TODO: We should first fix the files that lose more blocks
Comparator<String> comp = new Comparator<String>() {
public int compare(String p1, String p2) {
Codec c1 = null;
Codec c2 = null;
for (Codec codec : Codec.getCodecs()) {
... | java | void sortLostFiles(List<String> files) {
// TODO: We should first fix the files that lose more blocks
Comparator<String> comp = new Comparator<String>() {
public int compare(String p1, String p2) {
Codec c1 = null;
Codec c2 = null;
for (Codec codec : Codec.getCodecs()) {
... | [
"void",
"sortLostFiles",
"(",
"List",
"<",
"String",
">",
"files",
")",
"{",
"// TODO: We should first fix the files that lose more blocks",
"Comparator",
"<",
"String",
">",
"comp",
"=",
"new",
"Comparator",
"<",
"String",
">",
"(",
")",
"{",
"public",
"int",
"... | Sorts source files ahead of parity files. | [
"Sorts",
"source",
"files",
"ahead",
"of",
"parity",
"files",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L162-L188 |
118,441 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.getDFS | protected DistributedFileSystem getDFS(Path p) throws IOException {
FileSystem fs = p.getFileSystem(getConf());
DistributedFileSystem dfs = null;
if (fs instanceof DistributedFileSystem) {
dfs = (DistributedFileSystem) fs;
} else if (fs instanceof FilterFileSystem) {
FilterFileSystem ffs = (... | java | protected DistributedFileSystem getDFS(Path p) throws IOException {
FileSystem fs = p.getFileSystem(getConf());
DistributedFileSystem dfs = null;
if (fs instanceof DistributedFileSystem) {
dfs = (DistributedFileSystem) fs;
} else if (fs instanceof FilterFileSystem) {
FilterFileSystem ffs = (... | [
"protected",
"DistributedFileSystem",
"getDFS",
"(",
"Path",
"p",
")",
"throws",
"IOException",
"{",
"FileSystem",
"fs",
"=",
"p",
".",
"getFileSystem",
"(",
"getConf",
"(",
")",
")",
";",
"DistributedFileSystem",
"dfs",
"=",
"null",
";",
"if",
"(",
"fs",
... | Returns a DistributedFileSystem hosting the path supplied. | [
"Returns",
"a",
"DistributedFileSystem",
"hosting",
"the",
"path",
"supplied",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L193-L205 |
118,442 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.checkLostBlocks | void checkLostBlocks(List<Block> blocksLostChecksum,
List<Block> blocksLostStripe, Path p, Codec codec)
throws IOException {
StringBuilder message = new StringBuilder();
if (blocksLostChecksum.size() > 0) {
message.append("Lost " + blocksLostChecksum.size() +
" checksums in blocks:")... | java | void checkLostBlocks(List<Block> blocksLostChecksum,
List<Block> blocksLostStripe, Path p, Codec codec)
throws IOException {
StringBuilder message = new StringBuilder();
if (blocksLostChecksum.size() > 0) {
message.append("Lost " + blocksLostChecksum.size() +
" checksums in blocks:")... | [
"void",
"checkLostBlocks",
"(",
"List",
"<",
"Block",
">",
"blocksLostChecksum",
",",
"List",
"<",
"Block",
">",
"blocksLostStripe",
",",
"Path",
"p",
",",
"Codec",
"codec",
")",
"throws",
"IOException",
"{",
"StringBuilder",
"message",
"=",
"new",
"StringBuil... | Throw exceptions for blocks with lost checksums or stripes | [
"Throw",
"exceptions",
"for",
"blocks",
"with",
"lost",
"checksums",
"or",
"stripes"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L210-L234 |
118,443 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.processParityHarPartFile | boolean processParityHarPartFile(Path partFile,
Progressable progress)
throws IOException {
LOG.info("Processing parity HAR file " + partFile);
// Get some basic information.
DistributedFileSystem dfs = getDFS(partFile);
FileStatus partFileStat = dfs.getFileStatus(partFile);
long partFileBlo... | java | boolean processParityHarPartFile(Path partFile,
Progressable progress)
throws IOException {
LOG.info("Processing parity HAR file " + partFile);
// Get some basic information.
DistributedFileSystem dfs = getDFS(partFile);
FileStatus partFileStat = dfs.getFileStatus(partFile);
long partFileBlo... | [
"boolean",
"processParityHarPartFile",
"(",
"Path",
"partFile",
",",
"Progressable",
"progress",
")",
"throws",
"IOException",
"{",
"LOG",
".",
"info",
"(",
"\"Processing parity HAR file \"",
"+",
"partFile",
")",
";",
"// Get some basic information.",
"DistributedFileSys... | Reads through a parity HAR part file, reconstructing lost blocks on the way.
A HAR block can contain many file blocks, as long as the HAR part file
block size is a multiple of the file block size.
@return true if file was reconstructed, false if no reconstruction
was necessary or possible. | [
"Reads",
"through",
"a",
"parity",
"HAR",
"part",
"file",
"reconstructing",
"lost",
"blocks",
"on",
"the",
"way",
".",
"A",
"HAR",
"block",
"can",
"contain",
"many",
"file",
"blocks",
"as",
"long",
"as",
"the",
"HAR",
"part",
"file",
"block",
"size",
"is... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L469-L523 |
118,444 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.processParityHarPartBlock | private void processParityHarPartBlock(FileSystem dfs, Path partFile,
long blockOffset,
FileStatus partFileStat,
HarIndex harIndex,
File localBlockFile,
Progressable progress)
throws IOException {
String partName = partFile.toUri().getPath(); // Temporarily.
partName = partName.s... | java | private void processParityHarPartBlock(FileSystem dfs, Path partFile,
long blockOffset,
FileStatus partFileStat,
HarIndex harIndex,
File localBlockFile,
Progressable progress)
throws IOException {
String partName = partFile.toUri().getPath(); // Temporarily.
partName = partName.s... | [
"private",
"void",
"processParityHarPartBlock",
"(",
"FileSystem",
"dfs",
",",
"Path",
"partFile",
",",
"long",
"blockOffset",
",",
"FileStatus",
"partFileStat",
",",
"HarIndex",
"harIndex",
",",
"File",
"localBlockFile",
",",
"Progressable",
"progress",
")",
"throw... | This reconstructs a single part file block by recovering in sequence each
parity block in the part file block. | [
"This",
"reconstructs",
"a",
"single",
"part",
"file",
"block",
"by",
"recovering",
"in",
"sequence",
"each",
"parity",
"block",
"in",
"the",
"part",
"file",
"block",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L529-L603 |
118,445 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.computeMetadata | DataInputStream computeMetadata(Configuration conf, InputStream dataStream)
throws IOException {
ByteArrayOutputStream mdOutBase = new ByteArrayOutputStream(1024*1024);
DataOutputStream mdOut = new DataOutputStream(mdOutBase);
// First, write out the version.
mdOut.writeShort(FSDataset.FORMAT_VERSION... | java | DataInputStream computeMetadata(Configuration conf, InputStream dataStream)
throws IOException {
ByteArrayOutputStream mdOutBase = new ByteArrayOutputStream(1024*1024);
DataOutputStream mdOut = new DataOutputStream(mdOutBase);
// First, write out the version.
mdOut.writeShort(FSDataset.FORMAT_VERSION... | [
"DataInputStream",
"computeMetadata",
"(",
"Configuration",
"conf",
",",
"InputStream",
"dataStream",
")",
"throws",
"IOException",
"{",
"ByteArrayOutputStream",
"mdOutBase",
"=",
"new",
"ByteArrayOutputStream",
"(",
"1024",
"*",
"1024",
")",
";",
"DataOutputStream",
... | Reads data from the data stream provided and computes metadata. | [
"Reads",
"data",
"from",
"the",
"data",
"stream",
"provided",
"and",
"computes",
"metadata",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L649-L701 |
118,446 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java | BlockReconstructor.sendReconstructedBlock | private void sendReconstructedBlock(String datanode,
final FileInputStream blockContents,
final DataInputStream metadataIn,
Block block, long blockSize,
int dataTransferVersion, int namespaceId,
Progressable progress)
throws IOException {
InetSocketAddress target = NetUtils.createSo... | java | private void sendReconstructedBlock(String datanode,
final FileInputStream blockContents,
final DataInputStream metadataIn,
Block block, long blockSize,
int dataTransferVersion, int namespaceId,
Progressable progress)
throws IOException {
InetSocketAddress target = NetUtils.createSo... | [
"private",
"void",
"sendReconstructedBlock",
"(",
"String",
"datanode",
",",
"final",
"FileInputStream",
"blockContents",
",",
"final",
"DataInputStream",
"metadataIn",
",",
"Block",
"block",
",",
"long",
"blockSize",
",",
"int",
"dataTransferVersion",
",",
"int",
"... | Send a generated block to a datanode.
@param datanode Chosen datanode name in host:port form.
@param blockContents Stream with the block contents.
@param block Block object identifying the block to be sent.
@param blockSize size of the block.
@param dataTransferVersion the data transfer version
@param namespaceId names... | [
"Send",
"a",
"generated",
"block",
"to",
"a",
"datanode",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockReconstructor.java#L773-L846 |
118,447 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/security/UserGroupInformation.java | UserGroupInformation.login | public static UserGroupInformation login(Configuration conf
) throws LoginException {
if (LOGIN_UGI == null) {
LOGIN_UGI = UnixUserGroupInformation.login(conf);
}
return LOGIN_UGI;
} | java | public static UserGroupInformation login(Configuration conf
) throws LoginException {
if (LOGIN_UGI == null) {
LOGIN_UGI = UnixUserGroupInformation.login(conf);
}
return LOGIN_UGI;
} | [
"public",
"static",
"UserGroupInformation",
"login",
"(",
"Configuration",
"conf",
")",
"throws",
"LoginException",
"{",
"if",
"(",
"LOGIN_UGI",
"==",
"null",
")",
"{",
"LOGIN_UGI",
"=",
"UnixUserGroupInformation",
".",
"login",
"(",
"conf",
")",
";",
"}",
"re... | Login and return a UserGroupInformation object. | [
"Login",
"and",
"return",
"a",
"UserGroupInformation",
"object",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/security/UserGroupInformation.java#L115-L121 |
118,448 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/security/UserGroupInformation.java | UserGroupInformation.getUGI | public static UserGroupInformation getUGI(Configuration conf)
throws LoginException {
UserGroupInformation ugi = null;
if (conf.getBoolean(UGI_SOURCE, true)) {
// get the ugi from configuration
ugi = UnixUserGroupInformation.readFromConf(conf,
UnixUserGroupInformation.UGI_PROPERTY_NAME);
... | java | public static UserGroupInformation getUGI(Configuration conf)
throws LoginException {
UserGroupInformation ugi = null;
if (conf.getBoolean(UGI_SOURCE, true)) {
// get the ugi from configuration
ugi = UnixUserGroupInformation.readFromConf(conf,
UnixUserGroupInformation.UGI_PROPERTY_NAME);
... | [
"public",
"static",
"UserGroupInformation",
"getUGI",
"(",
"Configuration",
"conf",
")",
"throws",
"LoginException",
"{",
"UserGroupInformation",
"ugi",
"=",
"null",
";",
"if",
"(",
"conf",
".",
"getBoolean",
"(",
"UGI_SOURCE",
",",
"true",
")",
")",
"{",
"// ... | get the current user id | [
"get",
"the",
"current",
"user",
"id"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/security/UserGroupInformation.java#L135-L154 |
118,449 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/security/UserGroupInformation.java | UserGroupInformation.doAs | public <T> T doAs(PrivilegedAction<T> action) {
return Subject.doAs(null, action);
} | java | public <T> T doAs(PrivilegedAction<T> action) {
return Subject.doAs(null, action);
} | [
"public",
"<",
"T",
">",
"T",
"doAs",
"(",
"PrivilegedAction",
"<",
"T",
">",
"action",
")",
"{",
"return",
"Subject",
".",
"doAs",
"(",
"null",
",",
"action",
")",
";",
"}"
] | Run the given action as the user.
@param <T> the return type of the run method
@param action the method to execute
@return the value from the run method | [
"Run",
"the",
"given",
"action",
"as",
"the",
"user",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/security/UserGroupInformation.java#L162-L164 |
118,450 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/security/UserGroupInformation.java | UserGroupInformation.doAs | public <T> T doAs(PrivilegedExceptionAction<T> action
) throws IOException, InterruptedException {
try {
return Subject.doAs(null, action);
} catch (PrivilegedActionException pae) {
Throwable cause = pae.getCause();
LOG.error("PriviledgedActionException as:"+this+" cause:"+cause);
if (... | java | public <T> T doAs(PrivilegedExceptionAction<T> action
) throws IOException, InterruptedException {
try {
return Subject.doAs(null, action);
} catch (PrivilegedActionException pae) {
Throwable cause = pae.getCause();
LOG.error("PriviledgedActionException as:"+this+" cause:"+cause);
if (... | [
"public",
"<",
"T",
">",
"T",
"doAs",
"(",
"PrivilegedExceptionAction",
"<",
"T",
">",
"action",
")",
"throws",
"IOException",
",",
"InterruptedException",
"{",
"try",
"{",
"return",
"Subject",
".",
"doAs",
"(",
"null",
",",
"action",
")",
";",
"}",
"cat... | Run the given action as the user, potentially throwing an exception.
@param <T> the return type of the run method
@param action the method to execute
@return the value from the run method
@throws IOException if the action throws an IOException
@throws Error if the action throws an Error
@throws RuntimeException if the ... | [
"Run",
"the",
"given",
"action",
"as",
"the",
"user",
"potentially",
"throwing",
"an",
"exception",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/security/UserGroupInformation.java#L177-L196 |
118,451 | facebookarchive/hadoop-20 | src/mapred/org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorReducer.java | ValueAggregatorReducer.map | public void map(K1 arg0, V1 arg1, OutputCollector<Text, Text> arg2,
Reporter arg3) throws IOException {
throw new IOException ("should not be called\n");
} | java | public void map(K1 arg0, V1 arg1, OutputCollector<Text, Text> arg2,
Reporter arg3) throws IOException {
throw new IOException ("should not be called\n");
} | [
"public",
"void",
"map",
"(",
"K1",
"arg0",
",",
"V1",
"arg1",
",",
"OutputCollector",
"<",
"Text",
",",
"Text",
">",
"arg2",
",",
"Reporter",
"arg3",
")",
"throws",
"IOException",
"{",
"throw",
"new",
"IOException",
"(",
"\"should not be called\\n\"",
")",
... | Do nothing. Should not be called | [
"Do",
"nothing",
".",
"Should",
"not",
"be",
"called"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorReducer.java#L70-L73 |
118,452 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/RaidUtils.java | RaidUtils.getFileRaidInfo | public static RaidInfo getFileRaidInfo(final FileStatus stat,
Configuration conf, boolean skipHarChecking)
throws IOException {
// now look for the parity file
ParityFilePair ppair = null;
for (Codec c : Codec.getCodecs()) {
ppair = ParityFilePair.getParityFile(c, stat, conf, skipHarCheckin... | java | public static RaidInfo getFileRaidInfo(final FileStatus stat,
Configuration conf, boolean skipHarChecking)
throws IOException {
// now look for the parity file
ParityFilePair ppair = null;
for (Codec c : Codec.getCodecs()) {
ppair = ParityFilePair.getParityFile(c, stat, conf, skipHarCheckin... | [
"public",
"static",
"RaidInfo",
"getFileRaidInfo",
"(",
"final",
"FileStatus",
"stat",
",",
"Configuration",
"conf",
",",
"boolean",
"skipHarChecking",
")",
"throws",
"IOException",
"{",
"// now look for the parity file",
"ParityFilePair",
"ppair",
"=",
"null",
";",
"... | returns the raid for a given file | [
"returns",
"the",
"raid",
"for",
"a",
"given",
"file"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidUtils.java#L112-L124 |
118,453 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/RaidUtils.java | RaidUtils.getParityBlocks | private static BlockLocation[] getParityBlocks(final Path filePath,
final long blockSize,
final long numStripes,
final RaidInfo raidInfo)
throws IOException {
FileSystem parityFS = raid... | java | private static BlockLocation[] getParityBlocks(final Path filePath,
final long blockSize,
final long numStripes,
final RaidInfo raidInfo)
throws IOException {
FileSystem parityFS = raid... | [
"private",
"static",
"BlockLocation",
"[",
"]",
"getParityBlocks",
"(",
"final",
"Path",
"filePath",
",",
"final",
"long",
"blockSize",
",",
"final",
"long",
"numStripes",
",",
"final",
"RaidInfo",
"raidInfo",
")",
"throws",
"IOException",
"{",
"FileSystem",
"pa... | gets the parity blocks corresponding to file
returns the parity blocks in case of DFS
and the part blocks containing parity blocks
in case of HAR FS | [
"gets",
"the",
"parity",
"blocks",
"corresponding",
"to",
"file",
"returns",
"the",
"parity",
"blocks",
"in",
"case",
"of",
"DFS",
"and",
"the",
"part",
"blocks",
"containing",
"parity",
"blocks",
"in",
"case",
"of",
"HAR",
"FS"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidUtils.java#L232-L270 |
118,454 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/RaidUtils.java | RaidUtils.checkParityBlocks | private static void checkParityBlocks(final Path filePath,
final Map<Integer, Integer>
corruptBlocksPerStripe,
final long blockSize,
final long startStripeIdx,
... | java | private static void checkParityBlocks(final Path filePath,
final Map<Integer, Integer>
corruptBlocksPerStripe,
final long blockSize,
final long startStripeIdx,
... | [
"private",
"static",
"void",
"checkParityBlocks",
"(",
"final",
"Path",
"filePath",
",",
"final",
"Map",
"<",
"Integer",
",",
"Integer",
">",
"corruptBlocksPerStripe",
",",
"final",
"long",
"blockSize",
",",
"final",
"long",
"startStripeIdx",
",",
"final",
"long... | checks the parity blocks for a given file and modifies
corruptBlocksPerStripe accordingly | [
"checks",
"the",
"parity",
"blocks",
"for",
"a",
"given",
"file",
"and",
"modifies",
"corruptBlocksPerStripe",
"accordingly"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidUtils.java#L277-L351 |
118,455 | facebookarchive/hadoop-20 | src/contrib/raid/src/java/org/apache/hadoop/raid/RaidUtils.java | RaidUtils.sourcePathFromParityPath | public static Path sourcePathFromParityPath(Path parityPath, FileSystem fs)
throws IOException {
String parityPathStr = parityPath.toUri().getPath();
for (Codec codec : Codec.getCodecs()) {
String prefix = codec.getParityPrefix();
if (parityPathStr.startsWith(prefix)) {
// Remove th... | java | public static Path sourcePathFromParityPath(Path parityPath, FileSystem fs)
throws IOException {
String parityPathStr = parityPath.toUri().getPath();
for (Codec codec : Codec.getCodecs()) {
String prefix = codec.getParityPrefix();
if (parityPathStr.startsWith(prefix)) {
// Remove th... | [
"public",
"static",
"Path",
"sourcePathFromParityPath",
"(",
"Path",
"parityPath",
",",
"FileSystem",
"fs",
")",
"throws",
"IOException",
"{",
"String",
"parityPathStr",
"=",
"parityPath",
".",
"toUri",
"(",
")",
".",
"getPath",
"(",
")",
";",
"for",
"(",
"C... | returns the source file corresponding to a parity file
@throws IOException | [
"returns",
"the",
"source",
"file",
"corresponding",
"to",
"a",
"parity",
"file"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidUtils.java#L375-L390 |
118,456 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/util/ChecksumUtil.java | ChecksumUtil.updateChunkChecksum | public static void updateChunkChecksum(
byte[] buf,
int checksumOff,
int dataOff,
int dataLen,
DataChecksum checksum
) throws IOException {
int bytesPerChecksum = checksum.getBytesPerChecksum();
int checksumSize = checksum.getChecksumSize();
int curChecksumOff = checksumOff;
int c... | java | public static void updateChunkChecksum(
byte[] buf,
int checksumOff,
int dataOff,
int dataLen,
DataChecksum checksum
) throws IOException {
int bytesPerChecksum = checksum.getBytesPerChecksum();
int checksumSize = checksum.getChecksumSize();
int curChecksumOff = checksumOff;
int c... | [
"public",
"static",
"void",
"updateChunkChecksum",
"(",
"byte",
"[",
"]",
"buf",
",",
"int",
"checksumOff",
",",
"int",
"dataOff",
",",
"int",
"dataLen",
",",
"DataChecksum",
"checksum",
")",
"throws",
"IOException",
"{",
"int",
"bytesPerChecksum",
"=",
"check... | updates the checksum for a buffer
@param buf - buffer to update the checksum in
@param chunkOff - offset in the buffer where the checksum is to update
@param dataOff - offset in the buffer of the data
@param dataLen - length of data to compute checksum on | [
"updates",
"the",
"checksum",
"for",
"a",
"buffer"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/util/ChecksumUtil.java#L14-L39 |
118,457 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/io/IOUtils.java | IOUtils.copyBytesAndGenerateCRC | public static long copyBytesAndGenerateCRC(InputStream in, OutputStream out,
int buffSize, boolean close, IOThrottler throttler)
throws IOException {
PrintStream ps = out instanceof PrintStream ? (PrintStream)out : null;
byte buf[] = new byte[buffSize];
Checksum sum = new NativeCrc32();
... | java | public static long copyBytesAndGenerateCRC(InputStream in, OutputStream out,
int buffSize, boolean close, IOThrottler throttler)
throws IOException {
PrintStream ps = out instanceof PrintStream ? (PrintStream)out : null;
byte buf[] = new byte[buffSize];
Checksum sum = new NativeCrc32();
... | [
"public",
"static",
"long",
"copyBytesAndGenerateCRC",
"(",
"InputStream",
"in",
",",
"OutputStream",
"out",
",",
"int",
"buffSize",
",",
"boolean",
"close",
",",
"IOThrottler",
"throttler",
")",
"throws",
"IOException",
"{",
"PrintStream",
"ps",
"=",
"out",
"in... | Copies from one stream to another and generate CRC checksum.
@param in InputStrem to read from
@param out OutputStream to write to
@param buffSize the size of the buffer
@param close whether or not close the InputStream and
@param throttler IO Throttler
OutputStream at the end. The streams are closed in the finally cla... | [
"Copies",
"from",
"one",
"stream",
"to",
"another",
"and",
"generate",
"CRC",
"checksum",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/IOUtils.java#L100-L131 |
118,458 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/io/IOUtils.java | IOUtils.writeFully | public static void writeFully(FileChannel fc, ByteBuffer buf,
long offset) throws IOException {
do {
offset += fc.write(buf, offset);
} while (buf.remaining() > 0);
} | java | public static void writeFully(FileChannel fc, ByteBuffer buf,
long offset) throws IOException {
do {
offset += fc.write(buf, offset);
} while (buf.remaining() > 0);
} | [
"public",
"static",
"void",
"writeFully",
"(",
"FileChannel",
"fc",
",",
"ByteBuffer",
"buf",
",",
"long",
"offset",
")",
"throws",
"IOException",
"{",
"do",
"{",
"offset",
"+=",
"fc",
".",
"write",
"(",
"buf",
",",
"offset",
")",
";",
"}",
"while",
"(... | Write a ByteBuffer to a FileChannel at a given offset,
handling short writes.
@param fc The FileChannel to write to
@param buf The input buffer
@param offset The offset in the file to start writing at
@throws IOException On I/O error | [
"Write",
"a",
"ByteBuffer",
"to",
"a",
"FileChannel",
"at",
"a",
"given",
"offset",
"handling",
"short",
"writes",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/IOUtils.java#L355-L360 |
118,459 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/io/WritableUtils.java | WritableUtils.cloneInto | @Deprecated
public static void cloneInto(Writable dst, Writable src) throws IOException {
ReflectionUtils.cloneWritableInto(dst, src);
} | java | @Deprecated
public static void cloneInto(Writable dst, Writable src) throws IOException {
ReflectionUtils.cloneWritableInto(dst, src);
} | [
"@",
"Deprecated",
"public",
"static",
"void",
"cloneInto",
"(",
"Writable",
"dst",
",",
"Writable",
"src",
")",
"throws",
"IOException",
"{",
"ReflectionUtils",
".",
"cloneWritableInto",
"(",
"dst",
",",
"src",
")",
";",
"}"
] | Make a copy of the writable object using serialiation to a buffer
@param dst the object to copy from
@param src the object to copy into, which is destroyed
@throws IOException
@deprecated use ReflectionUtils.cloneInto instead. | [
"Make",
"a",
"copy",
"of",
"the",
"writable",
"object",
"using",
"serialiation",
"to",
"a",
"buffer"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/WritableUtils.java#L224-L227 |
118,460 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/io/WritableUtils.java | WritableUtils.readStringSafely | public static String readStringSafely(
DataInput in, int maxLength)
throws IOException, IllegalArgumentException {
int length = readVInt(in);
if (length < 0 || length > maxLength) {
throw new IllegalArgumentException(
"Encoded byte size for String was " + length +
", which ... | java | public static String readStringSafely(
DataInput in, int maxLength)
throws IOException, IllegalArgumentException {
int length = readVInt(in);
if (length < 0 || length > maxLength) {
throw new IllegalArgumentException(
"Encoded byte size for String was " + length +
", which ... | [
"public",
"static",
"String",
"readStringSafely",
"(",
"DataInput",
"in",
",",
"int",
"maxLength",
")",
"throws",
"IOException",
",",
"IllegalArgumentException",
"{",
"int",
"length",
"=",
"readVInt",
"(",
"in",
")",
";",
"if",
"(",
"length",
"<",
"0",
"||",... | Read a string, but check it for sanity. The format consists of a vint
followed by the given number of bytes.
@param in the stream to read from
@param maxLength the largest acceptable length of the encoded string
@return the bytes as a string
@throws IOException if reading from the DataInput fails
@throws IllegalArgumen... | [
"Read",
"a",
"string",
"but",
"check",
"it",
"for",
"sanity",
".",
"The",
"format",
"consists",
"of",
"a",
"vint",
"followed",
"by",
"the",
"given",
"number",
"of",
"bytes",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/WritableUtils.java#L431-L444 |
118,461 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/bookkeeper/BookKeeperEditLogOutputStream.java | BookKeeperEditLogOutputStream.flushAndSync | @Override
protected void flushAndSync(boolean durable) throws IOException {
if (outputStream == null) {
throw new IOException("Trying to use aborted output stream!");
}
if (doubleBuf.isFlushed()) {
return;
}
// Under the covers, this invokes a method that does not return until
// w... | java | @Override
protected void flushAndSync(boolean durable) throws IOException {
if (outputStream == null) {
throw new IOException("Trying to use aborted output stream!");
}
if (doubleBuf.isFlushed()) {
return;
}
// Under the covers, this invokes a method that does not return until
// w... | [
"@",
"Override",
"protected",
"void",
"flushAndSync",
"(",
"boolean",
"durable",
")",
"throws",
"IOException",
"{",
"if",
"(",
"outputStream",
"==",
"null",
")",
"{",
"throw",
"new",
"IOException",
"(",
"\"Trying to use aborted output stream!\"",
")",
";",
"}",
... | Flush the contents of the "ready" buffer to a durable BookKeeper ledger
BookKeeper ledger. After this method returns, we are guaranteed to
have persisted the log records stored in the ready buffer to a quorum
of bookies that store the underlying ledger. | [
"Flush",
"the",
"contents",
"of",
"the",
"ready",
"buffer",
"to",
"a",
"durable",
"BookKeeper",
"ledger",
"BookKeeper",
"ledger",
".",
"After",
"this",
"method",
"returns",
"we",
"are",
"guaranteed",
"to",
"have",
"persisted",
"the",
"log",
"records",
"stored"... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/bookkeeper/BookKeeperEditLogOutputStream.java#L162-L173 |
118,462 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.waitForRestart | public void waitForRestart() {
if (standbyThread != null) {
try {
// if this is the standby avatarnode, then wait for the Standby to exit
standbyThread.join();
} catch (InterruptedException ie) {
//eat it up
}
standbyThread = null;
LOG.info("waitForRestart: Stan... | java | public void waitForRestart() {
if (standbyThread != null) {
try {
// if this is the standby avatarnode, then wait for the Standby to exit
standbyThread.join();
} catch (InterruptedException ie) {
//eat it up
}
standbyThread = null;
LOG.info("waitForRestart: Stan... | [
"public",
"void",
"waitForRestart",
"(",
")",
"{",
"if",
"(",
"standbyThread",
"!=",
"null",
")",
"{",
"try",
"{",
"// if this is the standby avatarnode, then wait for the Standby to exit",
"standbyThread",
".",
"join",
"(",
")",
";",
"}",
"catch",
"(",
"Interrupted... | Wait for the StandbyNode to exit. If it does, then stop the underlying namenode. | [
"Wait",
"for",
"the",
"StandbyNode",
"to",
"exit",
".",
"If",
"it",
"does",
"then",
"stop",
"the",
"underlying",
"namenode",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L282-L318 |
118,463 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.getProtocolVersion | public long getProtocolVersion(String protocol,
long clientVersion) throws IOException {
if (protocol.equals(AvatarProtocol.class.getName())) {
return AvatarProtocol.versionID;
} else {
return super.getProtocolVersion(protocol, clientVersion);
}
} | java | public long getProtocolVersion(String protocol,
long clientVersion) throws IOException {
if (protocol.equals(AvatarProtocol.class.getName())) {
return AvatarProtocol.versionID;
} else {
return super.getProtocolVersion(protocol, clientVersion);
}
} | [
"public",
"long",
"getProtocolVersion",
"(",
"String",
"protocol",
",",
"long",
"clientVersion",
")",
"throws",
"IOException",
"{",
"if",
"(",
"protocol",
".",
"equals",
"(",
"AvatarProtocol",
".",
"class",
".",
"getName",
"(",
")",
")",
")",
"{",
"return",
... | If the specified protocol is AvatarProtocol, then return the
AvatarProtocol version id, otherwise delegate to the underlying
namenode. | [
"If",
"the",
"specified",
"protocol",
"is",
"AvatarProtocol",
"then",
"return",
"the",
"AvatarProtocol",
"version",
"id",
"otherwise",
"delegate",
"to",
"the",
"underlying",
"namenode",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L379-L386 |
118,464 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.verifyEditStreams | private void verifyEditStreams() throws IOException {
// we check if the shared stream is still available
if (getFSImage().getEditLog().isSharedJournalAvailable()
&& InjectionHandler
.trueCondition(InjectionEvent.AVATARNODE_CHECKEDITSTREAMS)) {
return;
}
// for sanity check if... | java | private void verifyEditStreams() throws IOException {
// we check if the shared stream is still available
if (getFSImage().getEditLog().isSharedJournalAvailable()
&& InjectionHandler
.trueCondition(InjectionEvent.AVATARNODE_CHECKEDITSTREAMS)) {
return;
}
// for sanity check if... | [
"private",
"void",
"verifyEditStreams",
"(",
")",
"throws",
"IOException",
"{",
"// we check if the shared stream is still available",
"if",
"(",
"getFSImage",
"(",
")",
".",
"getEditLog",
"(",
")",
".",
"isSharedJournalAvailable",
"(",
")",
"&&",
"InjectionHandler",
... | Return true if the shared journal is active, or if the number
of active journals is equal to the number of configured journals.
Throw IOException otherwise. | [
"Return",
"true",
"if",
"the",
"shared",
"journal",
"is",
"active",
"or",
"if",
"the",
"number",
"of",
"active",
"journals",
"is",
"equal",
"to",
"the",
"number",
"of",
"configured",
"journals",
".",
"Throw",
"IOException",
"otherwise",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L526-L551 |
118,465 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.shutdown | public synchronized void shutdown(boolean synchronous) throws IOException {
LOG.info("Failover: Asynchronous shutdown for: " + currentAvatar);
// check permissions before any other actions
super.namesystem.checkSuperuserPrivilege();
if (runInfo.shutdown) {
LOG.info("Failover: Node alread... | java | public synchronized void shutdown(boolean synchronous) throws IOException {
LOG.info("Failover: Asynchronous shutdown for: " + currentAvatar);
// check permissions before any other actions
super.namesystem.checkSuperuserPrivilege();
if (runInfo.shutdown) {
LOG.info("Failover: Node alread... | [
"public",
"synchronized",
"void",
"shutdown",
"(",
"boolean",
"synchronous",
")",
"throws",
"IOException",
"{",
"LOG",
".",
"info",
"(",
"\"Failover: Asynchronous shutdown for: \"",
"+",
"currentAvatar",
")",
";",
"// check permissions before any other actions",
"super",
... | Shuts down the avatar node
@param synchronous - should the function wait for the shutdown to complete
@throws IOException | [
"Shuts",
"down",
"the",
"avatar",
"node"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L558-L588 |
118,466 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.stopRPC | protected void stopRPC(boolean interruptClientHandlers) throws IOException {
try {
// stop avatardatanode server
stopRPCInternal(server, "avatardatanode", interruptClientHandlers);
// stop namenode rpc (client, datanode)
super.stopRPC(interruptClientHandlers);
// wait for ... | java | protected void stopRPC(boolean interruptClientHandlers) throws IOException {
try {
// stop avatardatanode server
stopRPCInternal(server, "avatardatanode", interruptClientHandlers);
// stop namenode rpc (client, datanode)
super.stopRPC(interruptClientHandlers);
// wait for ... | [
"protected",
"void",
"stopRPC",
"(",
"boolean",
"interruptClientHandlers",
")",
"throws",
"IOException",
"{",
"try",
"{",
"// stop avatardatanode server",
"stopRPCInternal",
"(",
"server",
",",
"\"avatardatanode\"",
",",
"interruptClientHandlers",
")",
";",
"// stop namen... | Stops all RPC threads and ensures that all RPC handlers have exited.
Stops all communication to the namenode. | [
"Stops",
"all",
"RPC",
"threads",
"and",
"ensures",
"that",
"all",
"RPC",
"handlers",
"have",
"exited",
".",
"Stops",
"all",
"communication",
"to",
"the",
"namenode",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L651-L664 |
118,467 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.printUsage | private static void printUsage() {
System.err.println(
"Usage: java AvatarNode [" +
StartupOption.STANDBY.getName() + "] | [" +
StartupOption.NODEZERO.getName() + "] | [" +
StartupOption.NODEONE.getName() + "] | [" +
StartupOption.FORMAT.getName() + "] | [" +
StartupOption.UPGRAD... | java | private static void printUsage() {
System.err.println(
"Usage: java AvatarNode [" +
StartupOption.STANDBY.getName() + "] | [" +
StartupOption.NODEZERO.getName() + "] | [" +
StartupOption.NODEONE.getName() + "] | [" +
StartupOption.FORMAT.getName() + "] | [" +
StartupOption.UPGRAD... | [
"private",
"static",
"void",
"printUsage",
"(",
")",
"{",
"System",
".",
"err",
".",
"println",
"(",
"\"Usage: java AvatarNode [\"",
"+",
"StartupOption",
".",
"STANDBY",
".",
"getName",
"(",
")",
"+",
"\"] | [\"",
"+",
"StartupOption",
".",
"NODEZERO",
".",
... | Help message for a user | [
"Help",
"message",
"for",
"a",
"user"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L1424-L1435 |
118,468 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.validateStartupOptions | static void validateStartupOptions(StartupInfo startInfo) throws IOException {
// sync cannot be specified along with format or finalize
if (startInfo.isStandby) {
if (startInfo.startOpt == StartupOption.FORMAT ||
startInfo.startOpt == StartupOption.FINALIZE ||
startInfo.startOpt == St... | java | static void validateStartupOptions(StartupInfo startInfo) throws IOException {
// sync cannot be specified along with format or finalize
if (startInfo.isStandby) {
if (startInfo.startOpt == StartupOption.FORMAT ||
startInfo.startOpt == StartupOption.FINALIZE ||
startInfo.startOpt == St... | [
"static",
"void",
"validateStartupOptions",
"(",
"StartupInfo",
"startInfo",
")",
"throws",
"IOException",
"{",
"// sync cannot be specified along with format or finalize",
"if",
"(",
"startInfo",
".",
"isStandby",
")",
"{",
"if",
"(",
"startInfo",
".",
"startOpt",
"=="... | validates command line arguments | [
"validates",
"command",
"line",
"arguments"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L1440-L1451 |
118,469 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.parseArguments | private static StartupInfo parseArguments(String args[]) {
InstanceId instance = InstanceId.NODEZERO;
StartupOption startOpt = StartupOption.REGULAR;
boolean isStandby= false;
String serviceName = null;
boolean force = false;
int argsLen = (args == null) ? 0 : args.length;
for (int i=0; i < ... | java | private static StartupInfo parseArguments(String args[]) {
InstanceId instance = InstanceId.NODEZERO;
StartupOption startOpt = StartupOption.REGULAR;
boolean isStandby= false;
String serviceName = null;
boolean force = false;
int argsLen = (args == null) ? 0 : args.length;
for (int i=0; i < ... | [
"private",
"static",
"StartupInfo",
"parseArguments",
"(",
"String",
"args",
"[",
"]",
")",
"{",
"InstanceId",
"instance",
"=",
"InstanceId",
".",
"NODEZERO",
";",
"StartupOption",
"startOpt",
"=",
"StartupOption",
".",
"REGULAR",
";",
"boolean",
"isStandby",
"=... | Analyze the command line options | [
"Analyze",
"the",
"command",
"line",
"options"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L1473-L1515 |
118,470 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.initializeGenericKeys | public static void initializeGenericKeys(Configuration conf, String serviceKey) {
if ((serviceKey == null) || serviceKey.isEmpty()) {
return;
}
NameNode.initializeGenericKeys(conf, serviceKey);
DFSUtil.setGenericConf(conf, serviceKey, AVATARSERVICE_SPECIFIC... | java | public static void initializeGenericKeys(Configuration conf, String serviceKey) {
if ((serviceKey == null) || serviceKey.isEmpty()) {
return;
}
NameNode.initializeGenericKeys(conf, serviceKey);
DFSUtil.setGenericConf(conf, serviceKey, AVATARSERVICE_SPECIFIC... | [
"public",
"static",
"void",
"initializeGenericKeys",
"(",
"Configuration",
"conf",
",",
"String",
"serviceKey",
")",
"{",
"if",
"(",
"(",
"serviceKey",
"==",
"null",
")",
"||",
"serviceKey",
".",
"isEmpty",
"(",
")",
")",
"{",
"return",
";",
"}",
"NameNode... | In federation configuration is set for a set of
avartanodes, namenodes etc, which are
grouped under a logical nameservice ID. The configuration keys specific
to them have suffix set to configured nameserviceId.
This method copies the value from specific key of format key.nameserviceId
to key, to set up the generic con... | [
"In",
"federation",
"configuration",
"is",
"set",
"for",
"a",
"set",
"of",
"avartanodes",
"namenodes",
"etc",
"which",
"are",
"grouped",
"under",
"a",
"logical",
"nameservice",
"ID",
".",
"The",
"configuration",
"keys",
"specific",
"to",
"them",
"have",
"suffi... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L1581-L1591 |
118,471 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.adjustMetaDirectoryNames | public static void adjustMetaDirectoryNames(Configuration conf, String serviceKey) {
adjustMetaDirectoryName(conf, DFS_SHARED_NAME_DIR0_KEY, serviceKey);
adjustMetaDirectoryName(conf, DFS_SHARED_NAME_DIR1_KEY, serviceKey);
adjustMetaDirectoryName(conf, DFS_SHARED_EDITS_DIR0_KEY, serviceKey);
adjustMetaD... | java | public static void adjustMetaDirectoryNames(Configuration conf, String serviceKey) {
adjustMetaDirectoryName(conf, DFS_SHARED_NAME_DIR0_KEY, serviceKey);
adjustMetaDirectoryName(conf, DFS_SHARED_NAME_DIR1_KEY, serviceKey);
adjustMetaDirectoryName(conf, DFS_SHARED_EDITS_DIR0_KEY, serviceKey);
adjustMetaD... | [
"public",
"static",
"void",
"adjustMetaDirectoryNames",
"(",
"Configuration",
"conf",
",",
"String",
"serviceKey",
")",
"{",
"adjustMetaDirectoryName",
"(",
"conf",
",",
"DFS_SHARED_NAME_DIR0_KEY",
",",
"serviceKey",
")",
";",
"adjustMetaDirectoryName",
"(",
"conf",
"... | Append service name to each avatar meta directory name
@param conf configuration of NameNode
@param serviceKey the non-empty name of the name node service | [
"Append",
"service",
"name",
"to",
"each",
"avatar",
"meta",
"directory",
"name"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L1598-L1603 |
118,472 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.isPrimaryAlive | private static void isPrimaryAlive(String zkRegistry) throws IOException {
String parts[] = zkRegistry.split(":");
if (parts.length != 2) {
throw new IllegalArgumentException("Invalid Address : " + zkRegistry);
}
String host = parts[0];
int port = Integer.parseInt(parts[1]);
InetSocketAddr... | java | private static void isPrimaryAlive(String zkRegistry) throws IOException {
String parts[] = zkRegistry.split(":");
if (parts.length != 2) {
throw new IllegalArgumentException("Invalid Address : " + zkRegistry);
}
String host = parts[0];
int port = Integer.parseInt(parts[1]);
InetSocketAddr... | [
"private",
"static",
"void",
"isPrimaryAlive",
"(",
"String",
"zkRegistry",
")",
"throws",
"IOException",
"{",
"String",
"parts",
"[",
"]",
"=",
"zkRegistry",
".",
"split",
"(",
"\":\"",
")",
";",
"if",
"(",
"parts",
".",
"length",
"!=",
"2",
")",
"{",
... | Tries to bind to the address specified in ZooKeeper, this will always fail
if the primary is alive either on the same machine or on a remote machine. | [
"Tries",
"to",
"bind",
"to",
"the",
"address",
"specified",
"in",
"ZooKeeper",
"this",
"will",
"always",
"fail",
"if",
"the",
"primary",
"is",
"alive",
"either",
"on",
"the",
"same",
"machine",
"or",
"on",
"a",
"remote",
"machine",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L1641-L1652 |
118,473 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.getRemoteNamenodeAddress | static InetSocketAddress getRemoteNamenodeAddress(Configuration conf,
InstanceId instance)
throws IOException {
String fs = null;
if (instance == InstanceId.NODEZERO) {
fs = conf.get(DFS_NAMENODE_RPC_ADDRESS1_KEY);
if (fs == null)
fs = conf.get("fs.default.name1");
} else if ... | java | static InetSocketAddress getRemoteNamenodeAddress(Configuration conf,
InstanceId instance)
throws IOException {
String fs = null;
if (instance == InstanceId.NODEZERO) {
fs = conf.get(DFS_NAMENODE_RPC_ADDRESS1_KEY);
if (fs == null)
fs = conf.get("fs.default.name1");
} else if ... | [
"static",
"InetSocketAddress",
"getRemoteNamenodeAddress",
"(",
"Configuration",
"conf",
",",
"InstanceId",
"instance",
")",
"throws",
"IOException",
"{",
"String",
"fs",
"=",
"null",
";",
"if",
"(",
"instance",
"==",
"InstanceId",
".",
"NODEZERO",
")",
"{",
"fs... | Returns the address of the remote namenode | [
"Returns",
"the",
"address",
"of",
"the",
"remote",
"namenode"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L2032-L2053 |
118,474 | facebookarchive/hadoop-20 | src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java | AvatarNode.getRemoteNamenodeHttpName | static String getRemoteNamenodeHttpName(Configuration conf,
InstanceId instance)
throws IOException {
if (instance == InstanceId.NODEZERO) {
return conf.get("dfs.http.address1");
} else if (instance == InstanceId.NODEONE) {
return conf.get("dfs.http.address0");
} else {
throw n... | java | static String getRemoteNamenodeHttpName(Configuration conf,
InstanceId instance)
throws IOException {
if (instance == InstanceId.NODEZERO) {
return conf.get("dfs.http.address1");
} else if (instance == InstanceId.NODEONE) {
return conf.get("dfs.http.address0");
} else {
throw n... | [
"static",
"String",
"getRemoteNamenodeHttpName",
"(",
"Configuration",
"conf",
",",
"InstanceId",
"instance",
")",
"throws",
"IOException",
"{",
"if",
"(",
"instance",
"==",
"InstanceId",
".",
"NODEZERO",
")",
"{",
"return",
"conf",
".",
"get",
"(",
"\"dfs.http.... | Returns the name of the http server of the local namenode | [
"Returns",
"the",
"name",
"of",
"the",
"http",
"server",
"of",
"the",
"local",
"namenode"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/AvatarNode.java#L2058-L2068 |
118,475 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/net/SocksSocketFactory.java | SocksSocketFactory.setProxy | private void setProxy(String proxyStr) {
String[] strs = proxyStr.split(":", 2);
if (strs.length != 2)
throw new RuntimeException("Bad SOCKS proxy parameter: " + proxyStr);
String host = strs[0];
int port = Integer.parseInt(strs[1]);
this.proxy =
new Proxy(Proxy.Type.SOCKS, InetSocketA... | java | private void setProxy(String proxyStr) {
String[] strs = proxyStr.split(":", 2);
if (strs.length != 2)
throw new RuntimeException("Bad SOCKS proxy parameter: " + proxyStr);
String host = strs[0];
int port = Integer.parseInt(strs[1]);
this.proxy =
new Proxy(Proxy.Type.SOCKS, InetSocketA... | [
"private",
"void",
"setProxy",
"(",
"String",
"proxyStr",
")",
"{",
"String",
"[",
"]",
"strs",
"=",
"proxyStr",
".",
"split",
"(",
"\":\"",
",",
"2",
")",
";",
"if",
"(",
"strs",
".",
"length",
"!=",
"2",
")",
"throw",
"new",
"RuntimeException",
"("... | Set the proxy of this socket factory as described in the string
parameter
@param proxyStr the proxy address using the format "host:port" | [
"Set",
"the",
"proxy",
"of",
"this",
"socket",
"factory",
"as",
"described",
"in",
"the",
"string",
"parameter"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/net/SocksSocketFactory.java#L151-L160 |
118,476 | facebookarchive/hadoop-20 | src/mapred/org/apache/hadoop/mapred/PoolMetadata.java | PoolMetadata.addResourceMetadata | public void addResourceMetadata(String resourceName,
ResourceMetadata resourceMetadata) {
if (resourceMetadataMap.put(resourceName, resourceMetadata) != null) {
throw new RuntimeException("Resource name " + resourceName +
" already exists!");
}
} | java | public void addResourceMetadata(String resourceName,
ResourceMetadata resourceMetadata) {
if (resourceMetadataMap.put(resourceName, resourceMetadata) != null) {
throw new RuntimeException("Resource name " + resourceName +
" already exists!");
}
} | [
"public",
"void",
"addResourceMetadata",
"(",
"String",
"resourceName",
",",
"ResourceMetadata",
"resourceMetadata",
")",
"{",
"if",
"(",
"resourceMetadataMap",
".",
"put",
"(",
"resourceName",
",",
"resourceMetadata",
")",
"!=",
"null",
")",
"{",
"throw",
"new",
... | Add resource metadata for this pool.
@param resourceName Name of the resource
@param resourceMetadata Resource metadata associated with the name | [
"Add",
"resource",
"metadata",
"for",
"this",
"pool",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/PoolMetadata.java#L55-L61 |
118,477 | facebookarchive/hadoop-20 | src/mapred/org/apache/hadoop/mapred/PoolMetadata.java | PoolMetadata.getResourceMetadata | public ResourceMetadata getResourceMetadata(String resourceName) {
if (!resourceMetadataMap.containsKey(resourceName)) {
throw new RuntimeException("No resource metadata for " + resourceName);
}
return resourceMetadataMap.get(resourceName);
} | java | public ResourceMetadata getResourceMetadata(String resourceName) {
if (!resourceMetadataMap.containsKey(resourceName)) {
throw new RuntimeException("No resource metadata for " + resourceName);
}
return resourceMetadataMap.get(resourceName);
} | [
"public",
"ResourceMetadata",
"getResourceMetadata",
"(",
"String",
"resourceName",
")",
"{",
"if",
"(",
"!",
"resourceMetadataMap",
".",
"containsKey",
"(",
"resourceName",
")",
")",
"{",
"throw",
"new",
"RuntimeException",
"(",
"\"No resource metadata for \"",
"+",
... | Get resource metadata for a resource name
@param resourceName Name of the resource
@return Resource metadata for this name
@throws RuntimException if the resource name doesn't exist | [
"Get",
"resource",
"metadata",
"for",
"a",
"resource",
"name"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/PoolMetadata.java#L79-L84 |
118,478 | facebookarchive/hadoop-20 | src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java | ClusterNode.readClusterNodeInfo | private void readClusterNodeInfo(CoronaSerializer coronaSerializer)
throws IOException {
coronaSerializer.readField("clusterNodeInfo");
clusterNodeInfo = new ClusterNodeInfo();
// Expecting the START_OBJECT token for clusterNodeInfo
coronaSerializer.readStartObjectToken("clusterNodeInfo");
corona... | java | private void readClusterNodeInfo(CoronaSerializer coronaSerializer)
throws IOException {
coronaSerializer.readField("clusterNodeInfo");
clusterNodeInfo = new ClusterNodeInfo();
// Expecting the START_OBJECT token for clusterNodeInfo
coronaSerializer.readStartObjectToken("clusterNodeInfo");
corona... | [
"private",
"void",
"readClusterNodeInfo",
"(",
"CoronaSerializer",
"coronaSerializer",
")",
"throws",
"IOException",
"{",
"coronaSerializer",
".",
"readField",
"(",
"\"clusterNodeInfo\"",
")",
";",
"clusterNodeInfo",
"=",
"new",
"ClusterNodeInfo",
"(",
")",
";",
"// E... | Reads the clusterNodeInfo object from the JSON stream
@param coronaSerializer The CoronaSerializer instance being used to read
the JSON from disk
@throws IOException | [
"Reads",
"the",
"clusterNodeInfo",
"object",
"from",
"the",
"JSON",
"stream"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java#L205-L229 |
118,479 | facebookarchive/hadoop-20 | src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java | ClusterNode.readGrants | private void readGrants(CoronaSerializer coronaSerializer)
throws IOException {
// Expecting the START_OBJECT token for grants
coronaSerializer.readStartObjectToken("grants");
JsonToken current = coronaSerializer.nextToken();
while (current != JsonToken.END_OBJECT) {
// We can access the key f... | java | private void readGrants(CoronaSerializer coronaSerializer)
throws IOException {
// Expecting the START_OBJECT token for grants
coronaSerializer.readStartObjectToken("grants");
JsonToken current = coronaSerializer.nextToken();
while (current != JsonToken.END_OBJECT) {
// We can access the key f... | [
"private",
"void",
"readGrants",
"(",
"CoronaSerializer",
"coronaSerializer",
")",
"throws",
"IOException",
"{",
"// Expecting the START_OBJECT token for grants",
"coronaSerializer",
".",
"readStartObjectToken",
"(",
"\"grants\"",
")",
";",
"JsonToken",
"current",
"=",
"cor... | Reads the list of grants from the JSON stream
@param coronaSerializer The CoronaSerializer instance being used to read
the JSON from disk
@throws IOException | [
"Reads",
"the",
"list",
"of",
"grants",
"from",
"the",
"JSON",
"stream"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java#L237-L261 |
118,480 | facebookarchive/hadoop-20 | src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java | ClusterNode.write | public void write(JsonGenerator jsonGenerator) throws IOException {
jsonGenerator.writeStartObject();
// clusterNodeInfo begins
jsonGenerator.writeFieldName("clusterNodeInfo");
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField("name", clusterNodeInfo.name);
jsonGenerator.writeObj... | java | public void write(JsonGenerator jsonGenerator) throws IOException {
jsonGenerator.writeStartObject();
// clusterNodeInfo begins
jsonGenerator.writeFieldName("clusterNodeInfo");
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField("name", clusterNodeInfo.name);
jsonGenerator.writeObj... | [
"public",
"void",
"write",
"(",
"JsonGenerator",
"jsonGenerator",
")",
"throws",
"IOException",
"{",
"jsonGenerator",
".",
"writeStartObject",
"(",
")",
";",
"// clusterNodeInfo begins",
"jsonGenerator",
".",
"writeFieldName",
"(",
"\"clusterNodeInfo\"",
")",
";",
"js... | Used to write the state of the ClusterNode instance to disk, when we are
persisting the state of the NodeManager
@param jsonGenerator The JsonGenerator instance being used to write JSON
to disk
@throws IOException | [
"Used",
"to",
"write",
"the",
"state",
"of",
"the",
"ClusterNode",
"instance",
"to",
"disk",
"when",
"we",
"are",
"persisting",
"the",
"state",
"of",
"the",
"NodeManager"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java#L270-L304 |
118,481 | facebookarchive/hadoop-20 | src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java | ClusterNode.initResourceTypeToMaxCpuMap | public void initResourceTypeToMaxCpuMap(Map<Integer, Map<ResourceType,
Integer>> cpuToResourcePartitioning) {
resourceTypeToMaxCpu =
getResourceTypeToCountMap((int) clusterNodeInfo.total.numCpus,
cpuToResourcePartitioning);
} | java | public void initResourceTypeToMaxCpuMap(Map<Integer, Map<ResourceType,
Integer>> cpuToResourcePartitioning) {
resourceTypeToMaxCpu =
getResourceTypeToCountMap((int) clusterNodeInfo.total.numCpus,
cpuToResourcePartitioning);
} | [
"public",
"void",
"initResourceTypeToMaxCpuMap",
"(",
"Map",
"<",
"Integer",
",",
"Map",
"<",
"ResourceType",
",",
"Integer",
">",
">",
"cpuToResourcePartitioning",
")",
"{",
"resourceTypeToMaxCpu",
"=",
"getResourceTypeToCountMap",
"(",
"(",
"int",
")",
"clusterNod... | This method is used to initialize the resource type to max CPU mapping
based upon the cpuToResourcePartitioning instance given
@param cpuToResourcePartitioning Mapping of cpus to resources to be used | [
"This",
"method",
"is",
"used",
"to",
"initialize",
"the",
"resource",
"type",
"to",
"max",
"CPU",
"mapping",
"based",
"upon",
"the",
"cpuToResourcePartitioning",
"instance",
"given"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java#L320-L325 |
118,482 | facebookarchive/hadoop-20 | src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java | ClusterNode.getResourceTypeToCountMap | public static Map<ResourceType, Integer> getResourceTypeToCountMap(
int numCpus,
Map<Integer, Map<ResourceType, Integer>> cpuToResourcePartitioning) {
Map<ResourceType, Integer> ret =
cpuToResourcePartitioning.get(numCpus);
if (ret == null) {
Map<ResourceType, Integer> oneCpuMap = cpuT... | java | public static Map<ResourceType, Integer> getResourceTypeToCountMap(
int numCpus,
Map<Integer, Map<ResourceType, Integer>> cpuToResourcePartitioning) {
Map<ResourceType, Integer> ret =
cpuToResourcePartitioning.get(numCpus);
if (ret == null) {
Map<ResourceType, Integer> oneCpuMap = cpuT... | [
"public",
"static",
"Map",
"<",
"ResourceType",
",",
"Integer",
">",
"getResourceTypeToCountMap",
"(",
"int",
"numCpus",
",",
"Map",
"<",
"Integer",
",",
"Map",
"<",
"ResourceType",
",",
"Integer",
">",
">",
"cpuToResourcePartitioning",
")",
"{",
"Map",
"<",
... | Get a mapping of the resource type to amount of resources for a given
number of cpus.
@param numCpus Number of cpus available
@param cpuToResourcePartitioning Mapping of number of cpus to resources
@return Resources for this amount of cpus | [
"Get",
"a",
"mapping",
"of",
"the",
"resource",
"type",
"to",
"amount",
"of",
"resources",
"for",
"a",
"given",
"number",
"of",
"cpus",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterNode.java#L335-L354 |
118,483 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java | ImageLoaderCurrent.processINodesUC | private void processINodesUC(DataInputStream in, ImageVisitor v,
boolean skipBlocks) throws IOException {
int numINUC = in.readInt();
v.visitEnclosingElement(ImageElement.INODES_UNDER_CONSTRUCTION,
ImageElement.NUM_INODES_UNDER_CONSTRUCTION, numINUC);
for(int i = 0; i < nu... | java | private void processINodesUC(DataInputStream in, ImageVisitor v,
boolean skipBlocks) throws IOException {
int numINUC = in.readInt();
v.visitEnclosingElement(ImageElement.INODES_UNDER_CONSTRUCTION,
ImageElement.NUM_INODES_UNDER_CONSTRUCTION, numINUC);
for(int i = 0; i < nu... | [
"private",
"void",
"processINodesUC",
"(",
"DataInputStream",
"in",
",",
"ImageVisitor",
"v",
",",
"boolean",
"skipBlocks",
")",
"throws",
"IOException",
"{",
"int",
"numINUC",
"=",
"in",
".",
"readInt",
"(",
")",
";",
"v",
".",
"visitEnclosingElement",
"(",
... | Process the INodes under construction section of the fsimage.
@param in DataInputStream to process
@param v Visitor to walk over inodes
@param skipBlocks Walk over each block? | [
"Process",
"the",
"INodes",
"under",
"construction",
"section",
"of",
"the",
"fsimage",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java#L202-L250 |
118,484 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java | ImageLoaderCurrent.processBlocks | private void processBlocks(DataInputStream in, ImageVisitor v,
int numBlocks, boolean skipBlocks) throws IOException {
v.visitEnclosingElement(ImageElement.BLOCKS,
ImageElement.NUM_BLOCKS, numBlocks);
// directory or symlink, no blocks to process
if(numBlocks == -1... | java | private void processBlocks(DataInputStream in, ImageVisitor v,
int numBlocks, boolean skipBlocks) throws IOException {
v.visitEnclosingElement(ImageElement.BLOCKS,
ImageElement.NUM_BLOCKS, numBlocks);
// directory or symlink, no blocks to process
if(numBlocks == -1... | [
"private",
"void",
"processBlocks",
"(",
"DataInputStream",
"in",
",",
"ImageVisitor",
"v",
",",
"int",
"numBlocks",
",",
"boolean",
"skipBlocks",
")",
"throws",
"IOException",
"{",
"v",
".",
"visitEnclosingElement",
"(",
"ImageElement",
".",
"BLOCKS",
",",
"Ima... | Process the blocks section of the fsimage.
@param in Datastream to process
@param v Visitor to walk over inodes
@param skipBlocks Walk over each block? | [
"Process",
"the",
"blocks",
"section",
"of",
"the",
"fsimage",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java#L259-L294 |
118,485 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java | ImageLoaderCurrent.processPermission | private void processPermission(DataInputStream in, ImageVisitor v)
throws IOException {
v.visitEnclosingElement(ImageElement.PERMISSIONS);
v.visit(ImageElement.USER_NAME, Text.readStringOpt(in));
v.visit(ImageElement.GROUP_NAME, Text.readStringOpt(in));
FsPermission fsp = new FsPermission(in.readS... | java | private void processPermission(DataInputStream in, ImageVisitor v)
throws IOException {
v.visitEnclosingElement(ImageElement.PERMISSIONS);
v.visit(ImageElement.USER_NAME, Text.readStringOpt(in));
v.visit(ImageElement.GROUP_NAME, Text.readStringOpt(in));
FsPermission fsp = new FsPermission(in.readS... | [
"private",
"void",
"processPermission",
"(",
"DataInputStream",
"in",
",",
"ImageVisitor",
"v",
")",
"throws",
"IOException",
"{",
"v",
".",
"visitEnclosingElement",
"(",
"ImageElement",
".",
"PERMISSIONS",
")",
";",
"v",
".",
"visit",
"(",
"ImageElement",
".",
... | Extract the INode permissions stored in the fsimage file.
@param in Datastream to process
@param v Visitor to walk over inodes | [
"Extract",
"the",
"INode",
"permissions",
"stored",
"in",
"the",
"fsimage",
"file",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java#L302-L310 |
118,486 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java | ImageLoaderCurrent.processINodes | private void processINodes(DataInputStream in, ImageVisitor v,
long numInodes, boolean skipBlocks) throws IOException {
v.visitEnclosingElement(ImageElement.INODES,
ImageElement.NUM_INODES, numInodes);
if (LayoutVersion.supports(Feature.FSIMAGE_NAME_OPTIMIZATION, imageVersion)) {
proces... | java | private void processINodes(DataInputStream in, ImageVisitor v,
long numInodes, boolean skipBlocks) throws IOException {
v.visitEnclosingElement(ImageElement.INODES,
ImageElement.NUM_INODES, numInodes);
if (LayoutVersion.supports(Feature.FSIMAGE_NAME_OPTIMIZATION, imageVersion)) {
proces... | [
"private",
"void",
"processINodes",
"(",
"DataInputStream",
"in",
",",
"ImageVisitor",
"v",
",",
"long",
"numInodes",
",",
"boolean",
"skipBlocks",
")",
"throws",
"IOException",
"{",
"v",
".",
"visitEnclosingElement",
"(",
"ImageElement",
".",
"INODES",
",",
"Im... | Process the INode records stored in the fsimage.
@param in Datastream to process
@param v Visitor to walk over INodes
@param numInodes Number of INodes stored in file
@param skipBlocks Process all the blocks within the INode?
@throws VisitException
@throws IOException | [
"Process",
"the",
"INode",
"records",
"stored",
"in",
"the",
"fsimage",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java#L322-L335 |
118,487 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java | ImageLoaderCurrent.processINode | private void processINode(DataInputStream in, ImageVisitor v,
boolean skipBlocks, String parentName) throws IOException {
checkInterruption();
v.visitEnclosingElement(ImageElement.INODE);
String pathName = FSImageSerialization.readString(in);
if (parentName != null) { // local name
pathNam... | java | private void processINode(DataInputStream in, ImageVisitor v,
boolean skipBlocks, String parentName) throws IOException {
checkInterruption();
v.visitEnclosingElement(ImageElement.INODE);
String pathName = FSImageSerialization.readString(in);
if (parentName != null) { // local name
pathNam... | [
"private",
"void",
"processINode",
"(",
"DataInputStream",
"in",
",",
"ImageVisitor",
"v",
",",
"boolean",
"skipBlocks",
",",
"String",
"parentName",
")",
"throws",
"IOException",
"{",
"checkInterruption",
"(",
")",
";",
"v",
".",
"visitEnclosingElement",
"(",
"... | Process an INode
@param in image stream
@param v visitor
@param skipBlocks skip blocks or not
@param parentName the name of its parent node
@throws IOException | [
"Process",
"an",
"INode"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java#L391-L447 |
118,488 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java | QuorumJournalManager.createNewUniqueEpoch | Map<AsyncLogger, NewEpochResponseProto> createNewUniqueEpoch()
throws IOException {
Preconditions.checkState(!loggers.isEpochEstablished(),
"epoch already created");
Map<AsyncLogger, GetJournalStateResponseProto> lastPromises =
loggers.waitForWriteQuorum(loggers.getJournalState(),
... | java | Map<AsyncLogger, NewEpochResponseProto> createNewUniqueEpoch()
throws IOException {
Preconditions.checkState(!loggers.isEpochEstablished(),
"epoch already created");
Map<AsyncLogger, GetJournalStateResponseProto> lastPromises =
loggers.waitForWriteQuorum(loggers.getJournalState(),
... | [
"Map",
"<",
"AsyncLogger",
",",
"NewEpochResponseProto",
">",
"createNewUniqueEpoch",
"(",
")",
"throws",
"IOException",
"{",
"Preconditions",
".",
"checkState",
"(",
"!",
"loggers",
".",
"isEpochEstablished",
"(",
")",
",",
"\"epoch already created\"",
")",
";",
... | Fence any previous writers, and obtain a unique epoch number
for write-access to the journal nodes.
@return the new, unique epoch number | [
"Fence",
"any",
"previous",
"writers",
"and",
"obtain",
"a",
"unique",
"epoch",
"number",
"for",
"write",
"-",
"access",
"to",
"the",
"journal",
"nodes",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java#L218-L240 |
118,489 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java | QuorumJournalManager.hasSomeDataInternal | private boolean hasSomeDataInternal(boolean image) throws IOException {
QuorumCall<AsyncLogger, Boolean> call = image ? loggers.isImageFormatted() :
loggers.isJournalFormatted();
try {
call.waitFor(loggers.size(), 0, 0, hasDataTimeoutMs, "hasSomeData");
} catch (InterruptedException e) {
... | java | private boolean hasSomeDataInternal(boolean image) throws IOException {
QuorumCall<AsyncLogger, Boolean> call = image ? loggers.isImageFormatted() :
loggers.isJournalFormatted();
try {
call.waitFor(loggers.size(), 0, 0, hasDataTimeoutMs, "hasSomeData");
} catch (InterruptedException e) {
... | [
"private",
"boolean",
"hasSomeDataInternal",
"(",
"boolean",
"image",
")",
"throws",
"IOException",
"{",
"QuorumCall",
"<",
"AsyncLogger",
",",
"Boolean",
">",
"call",
"=",
"image",
"?",
"loggers",
".",
"isImageFormatted",
"(",
")",
":",
"loggers",
".",
"isJou... | Checks if any data is available in the underlying storage.
Returns true if any of the nodes has some data. | [
"Checks",
"if",
"any",
"data",
"is",
"available",
"in",
"the",
"underlying",
"storage",
".",
"Returns",
"true",
"if",
"any",
"of",
"the",
"nodes",
"has",
"some",
"data",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java#L294-L321 |
118,490 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java | QuorumJournalManager.selectInputStreams | @Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxnId, boolean inProgressOk, boolean validateInProgressSegments)
throws IOException {
QuorumCall<AsyncLogger, RemoteEditLogManifest> q =
loggers.getEditLogManifest(fromTxnId);
// we insist on getting... | java | @Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
long fromTxnId, boolean inProgressOk, boolean validateInProgressSegments)
throws IOException {
QuorumCall<AsyncLogger, RemoteEditLogManifest> q =
loggers.getEditLogManifest(fromTxnId);
// we insist on getting... | [
"@",
"Override",
"public",
"void",
"selectInputStreams",
"(",
"Collection",
"<",
"EditLogInputStream",
">",
"streams",
",",
"long",
"fromTxnId",
",",
"boolean",
"inProgressOk",
",",
"boolean",
"validateInProgressSegments",
")",
"throws",
"IOException",
"{",
"QuorumCal... | Select input streams.
inProgressOk should be true only for tailing, not for startup | [
"Select",
"input",
"streams",
".",
"inProgressOk",
"should",
"be",
"true",
"only",
"for",
"tailing",
"not",
"for",
"startup"
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java#L548-L585 |
118,491 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java | QuorumJournalManager.getCheckpointOutputStream | @Override
public OutputStream getCheckpointOutputStream(long txid) throws IOException {
return new HttpImageUploadStream(httpAddresses, journalId, nsInfo, txid,
loggers.getEpoch(), imageUploadBufferSize, imageUploadMaxBufferedChunks);
} | java | @Override
public OutputStream getCheckpointOutputStream(long txid) throws IOException {
return new HttpImageUploadStream(httpAddresses, journalId, nsInfo, txid,
loggers.getEpoch(), imageUploadBufferSize, imageUploadMaxBufferedChunks);
} | [
"@",
"Override",
"public",
"OutputStream",
"getCheckpointOutputStream",
"(",
"long",
"txid",
")",
"throws",
"IOException",
"{",
"return",
"new",
"HttpImageUploadStream",
"(",
"httpAddresses",
",",
"journalId",
",",
"nsInfo",
",",
"txid",
",",
"loggers",
".",
"getE... | Creates output stream for image at txid to the underlying quorum of journal
nodes. | [
"Creates",
"output",
"stream",
"for",
"image",
"at",
"txid",
"to",
"the",
"underlying",
"quorum",
"of",
"journal",
"nodes",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java#L670-L674 |
118,492 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java | QuorumJournalManager.saveDigestAndRenameCheckpointImage | @Override
public boolean saveDigestAndRenameCheckpointImage(long txid, MD5Hash digest) {
try {
LOG.info("Saving md5: " + digest + " for txid: " + txid);
QuorumCall<AsyncLogger, Void> q = loggers
.saveDigestAndRenameCheckpointImage(txid, digest);
loggers.waitForWriteQuorum(q, writeTxnsT... | java | @Override
public boolean saveDigestAndRenameCheckpointImage(long txid, MD5Hash digest) {
try {
LOG.info("Saving md5: " + digest + " for txid: " + txid);
QuorumCall<AsyncLogger, Void> q = loggers
.saveDigestAndRenameCheckpointImage(txid, digest);
loggers.waitForWriteQuorum(q, writeTxnsT... | [
"@",
"Override",
"public",
"boolean",
"saveDigestAndRenameCheckpointImage",
"(",
"long",
"txid",
",",
"MD5Hash",
"digest",
")",
"{",
"try",
"{",
"LOG",
".",
"info",
"(",
"\"Saving md5: \"",
"+",
"digest",
"+",
"\" for txid: \"",
"+",
"txid",
")",
";",
"QuorumC... | Roll image and save md5 digest to the underlying nodes. This is a quorum
roll, and we ensure that it can succeed only on the nodes that consumed
entirely the uploaded image. | [
"Roll",
"image",
"and",
"save",
"md5",
"digest",
"to",
"the",
"underlying",
"nodes",
".",
"This",
"is",
"a",
"quorum",
"roll",
"and",
"we",
"ensure",
"that",
"it",
"can",
"succeed",
"only",
"on",
"the",
"nodes",
"that",
"consumed",
"entirely",
"the",
"up... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java#L682-L695 |
118,493 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java | QuorumJournalManager.getImageManifest | @Override
public RemoteImageManifest getImageManifest(long fromTxnId)
throws IOException {
QuorumCall<AsyncLogger, RemoteImageManifest> q = loggers
.getImageManifest(fromTxnId);
Map<AsyncLogger, RemoteImageManifest> resps = loggers
.waitForReadQuorumWithAllResponses(q, getImageManifestTi... | java | @Override
public RemoteImageManifest getImageManifest(long fromTxnId)
throws IOException {
QuorumCall<AsyncLogger, RemoteImageManifest> q = loggers
.getImageManifest(fromTxnId);
Map<AsyncLogger, RemoteImageManifest> resps = loggers
.waitForReadQuorumWithAllResponses(q, getImageManifestTi... | [
"@",
"Override",
"public",
"RemoteImageManifest",
"getImageManifest",
"(",
"long",
"fromTxnId",
")",
"throws",
"IOException",
"{",
"QuorumCall",
"<",
"AsyncLogger",
",",
"RemoteImageManifest",
">",
"q",
"=",
"loggers",
".",
"getImageManifest",
"(",
"fromTxnId",
")",... | Get manifest for the images stored in journal nodes. An image is considered
valid if it appears in majority of the nodes, with a valid md5 sum. The
returned images are sorted according to their transaction id. | [
"Get",
"manifest",
"for",
"the",
"images",
"stored",
"in",
"journal",
"nodes",
".",
"An",
"image",
"is",
"considered",
"valid",
"if",
"it",
"appears",
"in",
"majority",
"of",
"the",
"nodes",
"with",
"a",
"valid",
"md5",
"sum",
".",
"The",
"returned",
"im... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java#L718-L727 |
118,494 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java | QuorumJournalManager.createImageManifest | static RemoteImageManifest createImageManifest(
Collection<RemoteImageManifest> resps) throws IOException {
// found valid images (with md5 hash)
Map<Long, RemoteImage> images = Maps.newHashMap();
for (RemoteImageManifest rm : resps) {
for (RemoteImage ri : rm.getImages()) {
if (ri.getD... | java | static RemoteImageManifest createImageManifest(
Collection<RemoteImageManifest> resps) throws IOException {
// found valid images (with md5 hash)
Map<Long, RemoteImage> images = Maps.newHashMap();
for (RemoteImageManifest rm : resps) {
for (RemoteImage ri : rm.getImages()) {
if (ri.getD... | [
"static",
"RemoteImageManifest",
"createImageManifest",
"(",
"Collection",
"<",
"RemoteImageManifest",
">",
"resps",
")",
"throws",
"IOException",
"{",
"// found valid images (with md5 hash)",
"Map",
"<",
"Long",
",",
"RemoteImage",
">",
"images",
"=",
"Maps",
".",
"n... | Concatenate manifests obtained from the underlying journalnodes. The final
manifest will contain only the images committed to the majority of the
nodes. Images with no md5 associated are ignored. Also, the md5 must match
between images from different journal nodes. | [
"Concatenate",
"manifests",
"obtained",
"from",
"the",
"underlying",
"journalnodes",
".",
"The",
"final",
"manifest",
"will",
"contain",
"only",
"the",
"images",
"committed",
"to",
"the",
"majority",
"of",
"the",
"nodes",
".",
"Images",
"with",
"no",
"md5",
"a... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java#L735-L768 |
118,495 | facebookarchive/hadoop-20 | src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java | QuorumJournalManager.getImageInputStream | @Override
public ImageInputStream getImageInputStream(long txid) throws IOException {
URLImageInputStream stream = loggers.getImageInputStream(txid,
httpConnectReadTimeoutMs);
if (stream == null) {
throw new IOException("Cannot obtain input stream for image: " + txid);
}
return new Image... | java | @Override
public ImageInputStream getImageInputStream(long txid) throws IOException {
URLImageInputStream stream = loggers.getImageInputStream(txid,
httpConnectReadTimeoutMs);
if (stream == null) {
throw new IOException("Cannot obtain input stream for image: " + txid);
}
return new Image... | [
"@",
"Override",
"public",
"ImageInputStream",
"getImageInputStream",
"(",
"long",
"txid",
")",
"throws",
"IOException",
"{",
"URLImageInputStream",
"stream",
"=",
"loggers",
".",
"getImageInputStream",
"(",
"txid",
",",
"httpConnectReadTimeoutMs",
")",
";",
"if",
"... | Get input stream to one of the nodes for given txid. | [
"Get",
"input",
"stream",
"to",
"one",
"of",
"the",
"nodes",
"for",
"given",
"txid",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/QuorumJournalManager.java#L789-L798 |
118,496 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/io/MD5Hash.java | MD5Hash.read | public static MD5Hash read(DataInput in) throws IOException {
MD5Hash result = new MD5Hash();
result.readFields(in);
return result;
} | java | public static MD5Hash read(DataInput in) throws IOException {
MD5Hash result = new MD5Hash();
result.readFields(in);
return result;
} | [
"public",
"static",
"MD5Hash",
"read",
"(",
"DataInput",
"in",
")",
"throws",
"IOException",
"{",
"MD5Hash",
"result",
"=",
"new",
"MD5Hash",
"(",
")",
";",
"result",
".",
"readFields",
"(",
"in",
")",
";",
"return",
"result",
";",
"}"
] | Constructs, reads and returns an instance. | [
"Constructs",
"reads",
"and",
"returns",
"an",
"instance",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/MD5Hash.java#L77-L81 |
118,497 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/io/MD5Hash.java | MD5Hash.digest | public static MD5Hash digest(InputStream in) throws IOException {
final byte[] buffer = new byte[4*1024];
int fileLength = 0;
final MessageDigest digester = DIGESTER_FACTORY.get();
for(int n; (n = in.read(buffer)) != -1; ) {
digester.update(buffer, 0, n);
fileLength += n;
}
return... | java | public static MD5Hash digest(InputStream in) throws IOException {
final byte[] buffer = new byte[4*1024];
int fileLength = 0;
final MessageDigest digester = DIGESTER_FACTORY.get();
for(int n; (n = in.read(buffer)) != -1; ) {
digester.update(buffer, 0, n);
fileLength += n;
}
return... | [
"public",
"static",
"MD5Hash",
"digest",
"(",
"InputStream",
"in",
")",
"throws",
"IOException",
"{",
"final",
"byte",
"[",
"]",
"buffer",
"=",
"new",
"byte",
"[",
"4",
"*",
"1024",
"]",
";",
"int",
"fileLength",
"=",
"0",
";",
"final",
"MessageDigest",
... | Construct a hash value for the content from the InputStream. | [
"Construct",
"a",
"hash",
"value",
"for",
"the",
"content",
"from",
"the",
"InputStream",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/MD5Hash.java#L109-L120 |
118,498 | facebookarchive/hadoop-20 | src/core/org/apache/hadoop/io/MD5Hash.java | MD5Hash.digest | public static MD5Hash digest(byte[] data, int start, int len) {
byte[] digest;
MessageDigest digester = DIGESTER_FACTORY.get();
digester.update(data, start, len);
digest = digester.digest();
return new MD5Hash(digest);
} | java | public static MD5Hash digest(byte[] data, int start, int len) {
byte[] digest;
MessageDigest digester = DIGESTER_FACTORY.get();
digester.update(data, start, len);
digest = digester.digest();
return new MD5Hash(digest);
} | [
"public",
"static",
"MD5Hash",
"digest",
"(",
"byte",
"[",
"]",
"data",
",",
"int",
"start",
",",
"int",
"len",
")",
"{",
"byte",
"[",
"]",
"digest",
";",
"MessageDigest",
"digester",
"=",
"DIGESTER_FACTORY",
".",
"get",
"(",
")",
";",
"digester",
".",... | Construct a hash value for a byte array. | [
"Construct",
"a",
"hash",
"value",
"for",
"a",
"byte",
"array",
"."
] | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/MD5Hash.java#L123-L129 |
118,499 | facebookarchive/hadoop-20 | src/mapred/org/apache/hadoop/mapred/CleanupQueue.java | CleanupQueue.forceClean | public void forceClean() {
while(true) {
PathDeletionContext context = null;
try {
context = cleanupThread.queue.poll(50L, TimeUnit.MILLISECONDS);
if (context == null) {
return;
}
if (!deletePath(context)) {
LOG.warn("forceClean:Unable to delete path "... | java | public void forceClean() {
while(true) {
PathDeletionContext context = null;
try {
context = cleanupThread.queue.poll(50L, TimeUnit.MILLISECONDS);
if (context == null) {
return;
}
if (!deletePath(context)) {
LOG.warn("forceClean:Unable to delete path "... | [
"public",
"void",
"forceClean",
"(",
")",
"{",
"while",
"(",
"true",
")",
"{",
"PathDeletionContext",
"context",
"=",
"null",
";",
"try",
"{",
"context",
"=",
"cleanupThread",
".",
"queue",
".",
"poll",
"(",
"50L",
",",
"TimeUnit",
".",
"MILLISECONDS",
"... | Force to clean the all path, it should be called when task tracker is shut down
Now we only called it in MiniCoronaCluster to make sure the unit test run in a clean
fixture | [
"Force",
"to",
"clean",
"the",
"all",
"path",
"it",
"should",
"be",
"called",
"when",
"task",
"tracker",
"is",
"shut",
"down",
"Now",
"we",
"only",
"called",
"it",
"in",
"MiniCoronaCluster",
"to",
"make",
"sure",
"the",
"unit",
"test",
"run",
"in",
"a",
... | 2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4 | https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/CleanupQueue.java#L59-L80 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.