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
119,100
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.getTipCounters
Counters getTipCounters(TaskID tipid) { TaskInProgress tip = getTip(tipid); return (tip == null ? null : tip.getCounters()); }
java
Counters getTipCounters(TaskID tipid) { TaskInProgress tip = getTip(tipid); return (tip == null ? null : tip.getCounters()); }
[ "Counters", "getTipCounters", "(", "TaskID", "tipid", ")", "{", "TaskInProgress", "tip", "=", "getTip", "(", "tipid", ")", ";", "return", "(", "tip", "==", "null", "?", "null", ":", "tip", ".", "getCounters", "(", ")", ")", ";", "}" ]
Returns the counters for the specified task in progress.
[ "Returns", "the", "counters", "for", "the", "specified", "task", "in", "progress", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L3557-L3560
119,101
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.setJobPriority
synchronized void setJobPriority(JobID jobId, JobPriority priority) { JobInProgress job = jobs.get(jobId); if (job != null) { synchronized (taskScheduler) { JobStatus oldStatus = (JobStatus)job.getStatus().clone(); job.setPriority(priority); JobStatus newStatus = (JobStatus)job.get...
java
synchronized void setJobPriority(JobID jobId, JobPriority priority) { JobInProgress job = jobs.get(jobId); if (job != null) { synchronized (taskScheduler) { JobStatus oldStatus = (JobStatus)job.getStatus().clone(); job.setPriority(priority); JobStatus newStatus = (JobStatus)job.get...
[ "synchronized", "void", "setJobPriority", "(", "JobID", "jobId", ",", "JobPriority", "priority", ")", "{", "JobInProgress", "job", "=", "jobs", ".", "get", "(", "jobId", ")", ";", "if", "(", "job", "!=", "null", ")", "{", "synchronized", "(", "taskSchedule...
Change the run-time priority of the given job. @param jobId job id @param priority new {@link JobPriority} for the job
[ "Change", "the", "run", "-", "time", "priority", "of", "the", "given", "job", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L3643-L3658
119,102
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.updateTaskStatuses
void updateTaskStatuses(TaskTrackerStatus status) { String trackerName = status.getTrackerName(); for (TaskStatus report : status.getTaskReports()) { report.setTaskTracker(trackerName); TaskAttemptID taskId = report.getTaskID(); // Remove it from the expired task list if (report.getRunS...
java
void updateTaskStatuses(TaskTrackerStatus status) { String trackerName = status.getTrackerName(); for (TaskStatus report : status.getTaskReports()) { report.setTaskTracker(trackerName); TaskAttemptID taskId = report.getTaskID(); // Remove it from the expired task list if (report.getRunS...
[ "void", "updateTaskStatuses", "(", "TaskTrackerStatus", "status", ")", "{", "String", "trackerName", "=", "status", ".", "getTrackerName", "(", ")", ";", "for", "(", "TaskStatus", "report", ":", "status", ".", "getTaskReports", "(", ")", ")", "{", "report", ...
Accept and process a new TaskTracker profile. We might have known about the TaskTracker previously, or it might be brand-new. All task-tracker structures have already been updated. Just process the contained tasks and any jobs that might be affected.
[ "Accept", "and", "process", "a", "new", "TaskTracker", "profile", ".", "We", "might", "have", "known", "about", "the", "TaskTracker", "previously", "or", "it", "might", "be", "brand", "-", "new", ".", "All", "task", "-", "tracker", "structures", "have", "a...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L3670-L3752
119,103
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.lostTaskTracker
void lostTaskTracker(TaskTracker taskTracker) { String trackerName = taskTracker.getTrackerName(); LOG.info("Lost tracker '" + trackerName + "'"); // remove the tracker from the local structures synchronized (trackerToJobsToCleanup) { trackerToJobsToCleanup.remove(trackerName); } synchro...
java
void lostTaskTracker(TaskTracker taskTracker) { String trackerName = taskTracker.getTrackerName(); LOG.info("Lost tracker '" + trackerName + "'"); // remove the tracker from the local structures synchronized (trackerToJobsToCleanup) { trackerToJobsToCleanup.remove(trackerName); } synchro...
[ "void", "lostTaskTracker", "(", "TaskTracker", "taskTracker", ")", "{", "String", "trackerName", "=", "taskTracker", ".", "getTrackerName", "(", ")", ";", "LOG", ".", "info", "(", "\"Lost tracker '\"", "+", "trackerName", "+", "\"'\"", ")", ";", "// remove the t...
We lost the task tracker! All task-tracker structures have already been updated. Just process the contained tasks and any jobs that might be affected.
[ "We", "lost", "the", "task", "tracker!", "All", "task", "-", "tracker", "structures", "have", "already", "been", "updated", ".", "Just", "process", "the", "contained", "tasks", "and", "any", "jobs", "that", "might", "be", "affected", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L3759-L3831
119,104
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.removeTracker
private void removeTracker(TaskTracker tracker) { String trackerName = tracker.getTrackerName(); // Remove completely after marking the tasks as 'KILLED' lostTaskTracker(tracker); TaskTrackerStatus status = tracker.getStatus(); // tracker is lost, and if it is blacklisted, remove // it from the...
java
private void removeTracker(TaskTracker tracker) { String trackerName = tracker.getTrackerName(); // Remove completely after marking the tasks as 'KILLED' lostTaskTracker(tracker); TaskTrackerStatus status = tracker.getStatus(); // tracker is lost, and if it is blacklisted, remove // it from the...
[ "private", "void", "removeTracker", "(", "TaskTracker", "tracker", ")", "{", "String", "trackerName", "=", "tracker", ".", "getTrackerName", "(", ")", ";", "// Remove completely after marking the tasks as 'KILLED'", "lostTaskTracker", "(", "tracker", ")", ";", "TaskTrac...
Remove a tracker from the system
[ "Remove", "a", "tracker", "from", "the", "system" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L3870-L3884
119,105
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.main
public static void main(String argv[] ) throws IOException, InterruptedException { StringUtils.startupShutdownMessage(JobTracker.class, argv, LOG); try { if (argv.length == 0) { JobTracker tracker = startTracker(new JobConf()); tracker.offerService(); ret...
java
public static void main(String argv[] ) throws IOException, InterruptedException { StringUtils.startupShutdownMessage(JobTracker.class, argv, LOG); try { if (argv.length == 0) { JobTracker tracker = startTracker(new JobConf()); tracker.offerService(); ret...
[ "public", "static", "void", "main", "(", "String", "argv", "[", "]", ")", "throws", "IOException", ",", "InterruptedException", "{", "StringUtils", ".", "startupShutdownMessage", "(", "JobTracker", ".", "class", ",", "argv", ",", "LOG", ")", ";", "try", "{",...
Start the JobTracker process. This is used only for debugging. As a rule, JobTracker should be run as part of the DFS Namenode process.
[ "Start", "the", "JobTracker", "process", ".", "This", "is", "used", "only", "for", "debugging", ".", "As", "a", "rule", "JobTracker", "should", "be", "run", "as", "part", "of", "the", "DFS", "Namenode", "process", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L3954-L3986
119,106
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.dumpConfiguration
private static void dumpConfiguration(Writer writer) throws IOException { Configuration.dumpConfiguration(new JobConf(), writer); writer.write("\n"); // get the QueueManager configuration properties QueueManager.dumpConfiguration(writer); writer.write("\n"); }
java
private static void dumpConfiguration(Writer writer) throws IOException { Configuration.dumpConfiguration(new JobConf(), writer); writer.write("\n"); // get the QueueManager configuration properties QueueManager.dumpConfiguration(writer); writer.write("\n"); }
[ "private", "static", "void", "dumpConfiguration", "(", "Writer", "writer", ")", "throws", "IOException", "{", "Configuration", ".", "dumpConfiguration", "(", "new", "JobConf", "(", ")", ",", "writer", ")", ";", "writer", ".", "write", "(", "\"\\n\"", ")", ";...
Dumps the configuration properties in Json format @param writer {@link}Writer object to which the output is written @throws IOException
[ "Dumps", "the", "configuration", "properties", "in", "Json", "format" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L3993-L3999
119,107
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.checkMemoryRequirements
private void checkMemoryRequirements(JobInProgress job) throws IOException { if (!perTaskMemoryConfigurationSetOnJT()) { LOG.debug("Per-Task memory configuration is not set on JT. " + "Not checking the job for invalid memory requirements."); return; } boolean invalidJob = false;...
java
private void checkMemoryRequirements(JobInProgress job) throws IOException { if (!perTaskMemoryConfigurationSetOnJT()) { LOG.debug("Per-Task memory configuration is not set on JT. " + "Not checking the job for invalid memory requirements."); return; } boolean invalidJob = false;...
[ "private", "void", "checkMemoryRequirements", "(", "JobInProgress", "job", ")", "throws", "IOException", "{", "if", "(", "!", "perTaskMemoryConfigurationSetOnJT", "(", ")", ")", "{", "LOG", ".", "debug", "(", "\"Per-Task memory configuration is not set on JT. \"", "+", ...
Check the job if it has invalid requirements and throw and IOException if does have. @param job @throws IOException
[ "Check", "the", "job", "if", "it", "has", "invalid", "requirements", "and", "throw", "and", "IOException", "if", "does", "have", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L4128-L4162
119,108
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.updateTotalTaskCapacity
private void updateTotalTaskCapacity(TaskTrackerStatus status) { int mapSlots = taskScheduler.getMaxSlots(status, TaskType.MAP); String trackerName = status.getTrackerName(); Integer oldMapSlots = trackerNameToMapSlots.get(trackerName); if (oldMapSlots == null) { oldMapSlots = 0; } int del...
java
private void updateTotalTaskCapacity(TaskTrackerStatus status) { int mapSlots = taskScheduler.getMaxSlots(status, TaskType.MAP); String trackerName = status.getTrackerName(); Integer oldMapSlots = trackerNameToMapSlots.get(trackerName); if (oldMapSlots == null) { oldMapSlots = 0; } int del...
[ "private", "void", "updateTotalTaskCapacity", "(", "TaskTrackerStatus", "status", ")", "{", "int", "mapSlots", "=", "taskScheduler", ".", "getMaxSlots", "(", "status", ",", "TaskType", ".", "MAP", ")", ";", "String", "trackerName", "=", "status", ".", "getTracke...
Update totalMapTaskCapacity and totalReduceTaskCapacity to resolve the number of slots changed in a tasktracker. The change could be from TaskScheduler or TaskTrackerStatus @param status The status of the tasktracker
[ "Update", "totalMapTaskCapacity", "and", "totalReduceTaskCapacity", "to", "resolve", "the", "number", "of", "slots", "changed", "in", "a", "tasktracker", ".", "The", "change", "could", "be", "from", "TaskScheduler", "or", "TaskTrackerStatus" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L4208-L4241
119,109
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobTracker.java
JobTracker.removeTaskTrackerCapacity
private void removeTaskTrackerCapacity(TaskTrackerStatus status) { Integer mapSlots = trackerNameToMapSlots.remove(status.getTrackerName()); if (mapSlots == null) { mapSlots = 0; } totalMapTaskCapacity -= mapSlots; Integer reduceSlots = trackerNameToReduceSlots.remove(status.getTrackerName())...
java
private void removeTaskTrackerCapacity(TaskTrackerStatus status) { Integer mapSlots = trackerNameToMapSlots.remove(status.getTrackerName()); if (mapSlots == null) { mapSlots = 0; } totalMapTaskCapacity -= mapSlots; Integer reduceSlots = trackerNameToReduceSlots.remove(status.getTrackerName())...
[ "private", "void", "removeTaskTrackerCapacity", "(", "TaskTrackerStatus", "status", ")", "{", "Integer", "mapSlots", "=", "trackerNameToMapSlots", ".", "remove", "(", "status", ".", "getTrackerName", "(", ")", ")", ";", "if", "(", "mapSlots", "==", "null", ")", ...
Update totalMapTaskCapacity and totalReduceTaskCapacity for removing a tasktracker @param status The status of the tasktracker
[ "Update", "totalMapTaskCapacity", "and", "totalReduceTaskCapacity", "for", "removing", "a", "tasktracker" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobTracker.java#L4249-L4265
119,110
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JournalNodeJournalSyncer.java
JournalNodeJournalSyncer.recoverSegments
void recoverSegments(SyncTask task) throws IOException { // obtain the list of segments that are valid if (!prepareRecovery(task)) { return; } // iterate through all nodes for (InetSocketAddress jn : journalNodes) { if (isLocalIpAddress(jn.getAddress()) && jn.getPort() == jour...
java
void recoverSegments(SyncTask task) throws IOException { // obtain the list of segments that are valid if (!prepareRecovery(task)) { return; } // iterate through all nodes for (InetSocketAddress jn : journalNodes) { if (isLocalIpAddress(jn.getAddress()) && jn.getPort() == jour...
[ "void", "recoverSegments", "(", "SyncTask", "task", ")", "throws", "IOException", "{", "// obtain the list of segments that are valid", "if", "(", "!", "prepareRecovery", "(", "task", ")", ")", "{", "return", ";", "}", "// iterate through all nodes", "for", "(", "In...
Recovers a single segment @param elf descriptor of the segment to be recovered @param task contains journal description @throws IOException
[ "Recovers", "a", "single", "segment" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JournalNodeJournalSyncer.java#L185-L219
119,111
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JournalNodeJournalSyncer.java
JournalNodeJournalSyncer.getManifest
private List<EditLogFile> getManifest(InetSocketAddress jn, Journal journal, long minTxId) throws IOException { String m = DFSUtil.getHTMLContentWithTimeout( new URL("http", jn.getAddress().getHostAddress(), jn.getPort(), GetJournalManifestServlet.buildPath(journal.getJournalId(), ...
java
private List<EditLogFile> getManifest(InetSocketAddress jn, Journal journal, long minTxId) throws IOException { String m = DFSUtil.getHTMLContentWithTimeout( new URL("http", jn.getAddress().getHostAddress(), jn.getPort(), GetJournalManifestServlet.buildPath(journal.getJournalId(), ...
[ "private", "List", "<", "EditLogFile", ">", "getManifest", "(", "InetSocketAddress", "jn", ",", "Journal", "journal", ",", "long", "minTxId", ")", "throws", "IOException", "{", "String", "m", "=", "DFSUtil", ".", "getHTMLContentWithTimeout", "(", "new", "URL", ...
Fetch manifest from a single given journal node over http.
[ "Fetch", "manifest", "from", "a", "single", "given", "journal", "node", "over", "http", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JournalNodeJournalSyncer.java#L300-L308
119,112
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JournalNodeJournalSyncer.java
JournalNodeJournalSyncer.convertJsonToListManifest
public static List<EditLogFile> convertJsonToListManifest(String json) throws IOException { if (json == null || json.isEmpty()) { return new ArrayList<EditLogFile>(); } // get the list of strings from the http response TypeReference<List<String>> type = new TypeReference<List<String>>() { ...
java
public static List<EditLogFile> convertJsonToListManifest(String json) throws IOException { if (json == null || json.isEmpty()) { return new ArrayList<EditLogFile>(); } // get the list of strings from the http response TypeReference<List<String>> type = new TypeReference<List<String>>() { ...
[ "public", "static", "List", "<", "EditLogFile", ">", "convertJsonToListManifest", "(", "String", "json", ")", "throws", "IOException", "{", "if", "(", "json", "==", "null", "||", "json", ".", "isEmpty", "(", ")", ")", "{", "return", "new", "ArrayList", "<"...
Get the map corresponding to the JSON string.
[ "Get", "the", "map", "corresponding", "to", "the", "JSON", "string", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JournalNodeJournalSyncer.java#L313-L329
119,113
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JournalNodeJournalSyncer.java
JournalNodeJournalSyncer.isLocalIpAddress
private boolean isLocalIpAddress(InetAddress addr) { if (addr.isAnyLocalAddress() || addr.isLoopbackAddress()) return true; try { return NetworkInterface.getByInetAddress(addr) != null; } catch (SocketException e) { return false; } }
java
private boolean isLocalIpAddress(InetAddress addr) { if (addr.isAnyLocalAddress() || addr.isLoopbackAddress()) return true; try { return NetworkInterface.getByInetAddress(addr) != null; } catch (SocketException e) { return false; } }
[ "private", "boolean", "isLocalIpAddress", "(", "InetAddress", "addr", ")", "{", "if", "(", "addr", ".", "isAnyLocalAddress", "(", ")", "||", "addr", ".", "isLoopbackAddress", "(", ")", ")", "return", "true", ";", "try", "{", "return", "NetworkInterface", "."...
Checks if the address is local.
[ "Checks", "if", "the", "address", "is", "local", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JournalNodeJournalSyncer.java#L472-L480
119,114
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/QueueManager.java
QueueManager.refreshAcls
synchronized void refreshAcls(Configuration conf) throws IOException { try { HashMap<String, AccessControlList> newAclsMap = getQueueAcls(conf); aclsMap = newAclsMap; } catch (Throwable t) { String exceptionString = StringUtils.stringifyException(t); LOG.warn("Queue ACLs could n...
java
synchronized void refreshAcls(Configuration conf) throws IOException { try { HashMap<String, AccessControlList> newAclsMap = getQueueAcls(conf); aclsMap = newAclsMap; } catch (Throwable t) { String exceptionString = StringUtils.stringifyException(t); LOG.warn("Queue ACLs could n...
[ "synchronized", "void", "refreshAcls", "(", "Configuration", "conf", ")", "throws", "IOException", "{", "try", "{", "HashMap", "<", "String", ",", "AccessControlList", ">", "newAclsMap", "=", "getQueueAcls", "(", "conf", ")", ";", "aclsMap", "=", "newAclsMap", ...
Refresh the acls for the configured queues in the system by reading it from mapred-queue-acls.xml. The previous acls are removed. Previously configured queues and if or not acl is disabled is retained. @throws IOException when queue ACL configuration file is invalid.
[ "Refresh", "the", "acls", "for", "the", "configured", "queues", "in", "the", "system", "by", "reading", "it", "from", "mapred", "-", "queue", "-", "acls", ".", "xml", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/QueueManager.java#L246-L259
119,115
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/SocketCache.java
SocketCache.get
public Socket get(SocketAddress remote) { synchronized(multimap) { List<Socket> sockList = multimap.get(remote); if (sockList == null) { return null; } Iterator<Socket> iter = sockList.iterator(); while (iter.hasNext()) { Socket candidate = iter.next(); i...
java
public Socket get(SocketAddress remote) { synchronized(multimap) { List<Socket> sockList = multimap.get(remote); if (sockList == null) { return null; } Iterator<Socket> iter = sockList.iterator(); while (iter.hasNext()) { Socket candidate = iter.next(); i...
[ "public", "Socket", "get", "(", "SocketAddress", "remote", ")", "{", "synchronized", "(", "multimap", ")", "{", "List", "<", "Socket", ">", "sockList", "=", "multimap", ".", "get", "(", "remote", ")", ";", "if", "(", "sockList", "==", "null", ")", "{",...
Get a cached socket to the given address @param remote Remote address the socket is connected to. @return A socket with unknown state, possibly closed underneath. Or null.
[ "Get", "a", "cached", "socket", "to", "the", "given", "address" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/SocketCache.java#L58-L75
119,116
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/SocketCache.java
SocketCache.put
public void put(Socket sock) { Preconditions.checkNotNull(sock); SocketAddress remoteAddr = sock.getRemoteSocketAddress(); if (remoteAddr == null) { LOG.warn("Cannot cache (unconnected) socket with no remote address: " + sock); IOUtils.closeSocket(sock); return; } ...
java
public void put(Socket sock) { Preconditions.checkNotNull(sock); SocketAddress remoteAddr = sock.getRemoteSocketAddress(); if (remoteAddr == null) { LOG.warn("Cannot cache (unconnected) socket with no remote address: " + sock); IOUtils.closeSocket(sock); return; } ...
[ "public", "void", "put", "(", "Socket", "sock", ")", "{", "Preconditions", ".", "checkNotNull", "(", "sock", ")", ";", "SocketAddress", "remoteAddr", "=", "sock", ".", "getRemoteSocketAddress", "(", ")", ";", "if", "(", "remoteAddr", "==", "null", ")", "{"...
Give an unused socket to the cache. @param sock Socket not used by anyone.
[ "Give", "an", "unused", "socket", "to", "the", "cache", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/SocketCache.java#L81-L103
119,117
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/SocketCache.java
SocketCache.evictOldest
private Socket evictOldest() { Iterator<Entry<SocketAddress, Socket>> iter = multimap.entries().iterator(); if (!iter.hasNext()) { throw new IllegalArgumentException("Cannot evict from empty cache!"); } Entry<SocketAddress, Socket> entry = iter.next(); iter.remove(); return e...
java
private Socket evictOldest() { Iterator<Entry<SocketAddress, Socket>> iter = multimap.entries().iterator(); if (!iter.hasNext()) { throw new IllegalArgumentException("Cannot evict from empty cache!"); } Entry<SocketAddress, Socket> entry = iter.next(); iter.remove(); return e...
[ "private", "Socket", "evictOldest", "(", ")", "{", "Iterator", "<", "Entry", "<", "SocketAddress", ",", "Socket", ">", ">", "iter", "=", "multimap", ".", "entries", "(", ")", ".", "iterator", "(", ")", ";", "if", "(", "!", "iter", ".", "hasNext", "("...
Evict the oldest entry in the cache.
[ "Evict", "the", "oldest", "entry", "in", "the", "cache", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/SocketCache.java#L114-L124
119,118
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/SocketCache.java
SocketCache.clear
public void clear() { List<Socket> socketsToClear = new LinkedList<Socket>(); synchronized(multimap) { for (Socket sock : multimap.values()) { socketsToClear.add(sock); } multimap.clear(); } for (Socket sock : socketsToClear) { IOUtils.closeSocket(sock); } }
java
public void clear() { List<Socket> socketsToClear = new LinkedList<Socket>(); synchronized(multimap) { for (Socket sock : multimap.values()) { socketsToClear.add(sock); } multimap.clear(); } for (Socket sock : socketsToClear) { IOUtils.closeSocket(sock); } }
[ "public", "void", "clear", "(", ")", "{", "List", "<", "Socket", ">", "socketsToClear", "=", "new", "LinkedList", "<", "Socket", ">", "(", ")", ";", "synchronized", "(", "multimap", ")", "{", "for", "(", "Socket", "sock", ":", "multimap", ".", "values"...
Empty the cache, and close all sockets.
[ "Empty", "the", "cache", "and", "close", "all", "sockets", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/SocketCache.java#L129-L141
119,119
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/util/PersistentLongFile.java
PersistentLongFile.writeFile
public static void writeFile(File file, long val) throws IOException { AtomicFileOutputStream fos = new AtomicFileOutputStream(file); try { fos.write(String.valueOf(val).getBytes(Charsets.UTF_8)); fos.write('\n'); fos.close(); fos = null; } finally { if (fos != null) { ...
java
public static void writeFile(File file, long val) throws IOException { AtomicFileOutputStream fos = new AtomicFileOutputStream(file); try { fos.write(String.valueOf(val).getBytes(Charsets.UTF_8)); fos.write('\n'); fos.close(); fos = null; } finally { if (fos != null) { ...
[ "public", "static", "void", "writeFile", "(", "File", "file", ",", "long", "val", ")", "throws", "IOException", "{", "AtomicFileOutputStream", "fos", "=", "new", "AtomicFileOutputStream", "(", "file", ")", ";", "try", "{", "fos", ".", "write", "(", "String",...
Atomically write the given value to the given file, including fsyncing. @param file destination file @param val value to write @throws IOException if the file cannot be written
[ "Atomically", "write", "the", "given", "value", "to", "the", "given", "file", "including", "fsyncing", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/util/PersistentLongFile.java#L77-L89
119,120
facebookarchive/hadoop-20
src/core/org/apache/hadoop/net/NodeBase.java
NodeBase.normalize
static public String normalize(String path) { if (path == null || path.length() == 0) return ROOT; if (path.charAt(0) != PATH_SEPARATOR) { throw new IllegalArgumentException( "Network Location path does not start with " ...
java
static public String normalize(String path) { if (path == null || path.length() == 0) return ROOT; if (path.charAt(0) != PATH_SEPARATOR) { throw new IllegalArgumentException( "Network Location path does not start with " ...
[ "static", "public", "String", "normalize", "(", "String", "path", ")", "{", "if", "(", "path", "==", "null", "||", "path", ".", "length", "(", ")", "==", "0", ")", "return", "ROOT", ";", "if", "(", "path", ".", "charAt", "(", "0", ")", "!=", "PAT...
Normalize a path
[ "Normalize", "a", "path" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/net/NodeBase.java#L101-L115
119,121
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.recoverClusterManagerFromDisk
private void recoverClusterManagerFromDisk(HostsFileReader hostsReader) throws IOException { LOG.info("Restoring state from " + new java.io.File(conf.getCMStateFile()).getAbsolutePath()); // This will prevent the expireNodes and expireSessions threads from // expiring the nodes and sessions respe...
java
private void recoverClusterManagerFromDisk(HostsFileReader hostsReader) throws IOException { LOG.info("Restoring state from " + new java.io.File(conf.getCMStateFile()).getAbsolutePath()); // This will prevent the expireNodes and expireSessions threads from // expiring the nodes and sessions respe...
[ "private", "void", "recoverClusterManagerFromDisk", "(", "HostsFileReader", "hostsReader", ")", "throws", "IOException", "{", "LOG", ".", "info", "(", "\"Restoring state from \"", "+", "new", "java", ".", "io", ".", "File", "(", "conf", ".", "getCMStateFile", "(",...
This method is used when the ClusterManager is restarting after going down while in Safe Mode. It starts the process of recovering the original CM state by reading back the state in JSON form. @param hostsReader The HostsReader instance @throws IOException
[ "This", "method", "is", "used", "when", "the", "ClusterManager", "is", "restarting", "after", "going", "down", "while", "in", "Safe", "Mode", ".", "It", "starts", "the", "process", "of", "recovering", "the", "original", "CM", "state", "by", "reading", "back"...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L198-L231
119,122
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.initLegalTypes
protected void initLegalTypes() { Map<Integer, Map<ResourceType, Integer>> cpuToResourcePartitioning = conf.getCpuToResourcePartitioning(); for (Map.Entry<Integer, Map<ResourceType, Integer>> entry : cpuToResourcePartitioning.entrySet()) { for (ResourceType type : entry.getValue().keySet(...
java
protected void initLegalTypes() { Map<Integer, Map<ResourceType, Integer>> cpuToResourcePartitioning = conf.getCpuToResourcePartitioning(); for (Map.Entry<Integer, Map<ResourceType, Integer>> entry : cpuToResourcePartitioning.entrySet()) { for (ResourceType type : entry.getValue().keySet(...
[ "protected", "void", "initLegalTypes", "(", ")", "{", "Map", "<", "Integer", ",", "Map", "<", "ResourceType", ",", "Integer", ">", ">", "cpuToResourcePartitioning", "=", "conf", ".", "getCpuToResourcePartitioning", "(", ")", ";", "for", "(", "Map", ".", "Ent...
Prepare the legal types allowed based on the resources available
[ "Prepare", "the", "legal", "types", "allowed", "based", "on", "the", "resources", "available" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L236-L247
119,123
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.checkResourceRequestType
protected boolean checkResourceRequestType( List<ResourceRequest> requestList) { for (ResourceRequest req: requestList) { if (!legalTypeSet.contains(req.type)) { return false; } } return true; }
java
protected boolean checkResourceRequestType( List<ResourceRequest> requestList) { for (ResourceRequest req: requestList) { if (!legalTypeSet.contains(req.type)) { return false; } } return true; }
[ "protected", "boolean", "checkResourceRequestType", "(", "List", "<", "ResourceRequest", ">", "requestList", ")", "{", "for", "(", "ResourceRequest", "req", ":", "requestList", ")", "{", "if", "(", "!", "legalTypeSet", ".", "contains", "(", "req", ".", "type",...
Check all the resource requests and ensure that they are legal. @param requestList List of resource requests to check @return True if the resources are legal, false otherwise
[ "Check", "all", "the", "resource", "requests", "and", "ensure", "that", "they", "are", "legal", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L435-L443
119,124
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.checkResourceRequestLimit
protected void checkResourceRequestLimit( List<ResourceRequest> requestList, String handle) throws InvalidSessionHandle { ConfigManager configManager = getScheduler().getConfigManager(); Session session = sessionManager.getSession(handle); PoolInfo poolInfo = session.getPoolInfo(); // Only ...
java
protected void checkResourceRequestLimit( List<ResourceRequest> requestList, String handle) throws InvalidSessionHandle { ConfigManager configManager = getScheduler().getConfigManager(); Session session = sessionManager.getSession(handle); PoolInfo poolInfo = session.getPoolInfo(); // Only ...
[ "protected", "void", "checkResourceRequestLimit", "(", "List", "<", "ResourceRequest", ">", "requestList", ",", "String", "handle", ")", "throws", "InvalidSessionHandle", "{", "ConfigManager", "configManager", "=", "getScheduler", "(", ")", ".", "getConfigManager", "(...
Count the resources requested and fail the job if they are above the limit @param requestList List of resource requests to check
[ "Count", "the", "resources", "requested", "and", "fail", "the", "job", "if", "they", "are", "above", "the", "limit" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L469-L503
119,125
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.setSafeMode
@Override public synchronized boolean setSafeMode(boolean safeMode) { /** * If we are switching off the safe mode, so we need to reset the last * heartbeat timestamp for each of the sessions and nodes. */ if (safeMode == false) { LOG.info("Resetting the heartbeat times for all sessions");...
java
@Override public synchronized boolean setSafeMode(boolean safeMode) { /** * If we are switching off the safe mode, so we need to reset the last * heartbeat timestamp for each of the sessions and nodes. */ if (safeMode == false) { LOG.info("Resetting the heartbeat times for all sessions");...
[ "@", "Override", "public", "synchronized", "boolean", "setSafeMode", "(", "boolean", "safeMode", ")", "{", "/**\n * If we are switching off the safe mode, so we need to reset the last\n * heartbeat timestamp for each of the sessions and nodes.\n */", "if", "(", "safeMode", ...
Sets the Safe Mode flag on the Cluster Manager, and on the ProxyJobTracker. If we fail to set the flag on the ProxyJobTracker, return false, which signals that setting the flag on the ProxyJobTracker failed. In that case, we should run coronaadmin with the -forceSetSafeModeOnPJT or -forceUnsetSafeModeOnPJT options. If...
[ "Sets", "the", "Safe", "Mode", "flag", "on", "the", "Cluster", "Manager", "and", "on", "the", "ProxyJobTracker", ".", "If", "we", "fail", "to", "set", "the", "flag", "on", "the", "ProxyJobTracker", "return", "false", "which", "signals", "that", "setting", ...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L647-L680
119,126
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.persistState
@Override public boolean persistState() { if (!safeMode) { LOG.info( "Cannot persist state because ClusterManager is not in Safe Mode"); return false; } try { JsonGenerator jsonGenerator = CoronaSerializer.createJsonGenerator(conf); jsonGenerator.writeStartObject(); ...
java
@Override public boolean persistState() { if (!safeMode) { LOG.info( "Cannot persist state because ClusterManager is not in Safe Mode"); return false; } try { JsonGenerator jsonGenerator = CoronaSerializer.createJsonGenerator(conf); jsonGenerator.writeStartObject(); ...
[ "@", "Override", "public", "boolean", "persistState", "(", ")", "{", "if", "(", "!", "safeMode", ")", "{", "LOG", ".", "info", "(", "\"Cannot persist state because ClusterManager is not in Safe Mode\"", ")", ";", "return", "false", ";", "}", "try", "{", "JsonGen...
This function saves the state of the ClusterManager to disk. @return A boolean. True if saving the state succeeded, false otherwise.
[ "This", "function", "saves", "the", "state", "of", "the", "ClusterManager", "to", "disk", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L693-L724
119,127
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.nodeTimeout
public void nodeTimeout(String nodeName) { if (nodeRestarter != null) { nodeRestarter.delete(nodeName); } Set<String> sessions = nodeManager.getNodeSessions(nodeName); Set<ClusterNode.GrantId> grantsToRevoke = nodeManager.deleteNode(nodeName); if (grantsToRevoke == null) { return; } ...
java
public void nodeTimeout(String nodeName) { if (nodeRestarter != null) { nodeRestarter.delete(nodeName); } Set<String> sessions = nodeManager.getNodeSessions(nodeName); Set<ClusterNode.GrantId> grantsToRevoke = nodeManager.deleteNode(nodeName); if (grantsToRevoke == null) { return; } ...
[ "public", "void", "nodeTimeout", "(", "String", "nodeName", ")", "{", "if", "(", "nodeRestarter", "!=", "null", ")", "{", "nodeRestarter", ".", "delete", "(", "nodeName", ")", ";", "}", "Set", "<", "String", ">", "sessions", "=", "nodeManager", ".", "get...
This is an internal api called to tell the cluster manager that a a particular node seems dysfunctional and that it should be removed from the cluster. @param nodeName Node to be removed
[ "This", "is", "an", "internal", "api", "called", "to", "tell", "the", "cluster", "manager", "that", "a", "a", "particular", "node", "seems", "dysfunctional", "and", "that", "it", "should", "be", "removed", "from", "the", "cluster", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L811-L823
119,128
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.nodeAppRemoved
public void nodeAppRemoved(String nodeName, ResourceType type) { Set<String> sessions = nodeManager.getNodeSessions(nodeName); Set<ClusterNode.GrantId> grantsToRevoke = nodeManager.deleteAppFromNode(nodeName, type); if (grantsToRevoke == null) { return; } Set<String> affectedSessions = n...
java
public void nodeAppRemoved(String nodeName, ResourceType type) { Set<String> sessions = nodeManager.getNodeSessions(nodeName); Set<ClusterNode.GrantId> grantsToRevoke = nodeManager.deleteAppFromNode(nodeName, type); if (grantsToRevoke == null) { return; } Set<String> affectedSessions = n...
[ "public", "void", "nodeAppRemoved", "(", "String", "nodeName", ",", "ResourceType", "type", ")", "{", "Set", "<", "String", ">", "sessions", "=", "nodeManager", ".", "getNodeSessions", "(", "nodeName", ")", ";", "Set", "<", "ClusterNode", ".", "GrantId", ">"...
This is an internal api called to tell the cluster manager that a particular type of resource is no longer available on a node. @param nodeName Name of the node on which the resource is removed. @param type The type of resource to be removed.
[ "This", "is", "an", "internal", "api", "called", "to", "tell", "the", "cluster", "manager", "that", "a", "particular", "type", "of", "resource", "is", "no", "longer", "available", "on", "a", "node", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L847-L870
119,129
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.handleRevokedGrants
private void handleRevokedGrants( String nodeName, Set<ClusterNode.GrantId> grantsToRevoke) { for (ClusterNode.GrantId grantId: grantsToRevoke) { String sessionHandle = grantId.getSessionId(); try { sessionManager.revokeResource(sessionHandle, Collections.singletonList(grantId...
java
private void handleRevokedGrants( String nodeName, Set<ClusterNode.GrantId> grantsToRevoke) { for (ClusterNode.GrantId grantId: grantsToRevoke) { String sessionHandle = grantId.getSessionId(); try { sessionManager.revokeResource(sessionHandle, Collections.singletonList(grantId...
[ "private", "void", "handleRevokedGrants", "(", "String", "nodeName", ",", "Set", "<", "ClusterNode", ".", "GrantId", ">", "grantsToRevoke", ")", "{", "for", "(", "ClusterNode", ".", "GrantId", "grantId", ":", "grantsToRevoke", ")", "{", "String", "sessionHandle"...
Process the grants removed from a node. @param nodeName The node name. @param grantsToRevoke The grants to revoke.
[ "Process", "the", "grants", "removed", "from", "a", "node", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L880-L894
119,130
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java
ClusterManager.handleDeadNode
private void handleDeadNode(String nodeName, Set<String> sessions) { LOG.info("Notify sessions: " + sessions + " about dead node " + nodeName); for (String session : sessions) { sessionNotifier.notifyDeadNode(session, nodeName); } }
java
private void handleDeadNode(String nodeName, Set<String> sessions) { LOG.info("Notify sessions: " + sessions + " about dead node " + nodeName); for (String session : sessions) { sessionNotifier.notifyDeadNode(session, nodeName); } }
[ "private", "void", "handleDeadNode", "(", "String", "nodeName", ",", "Set", "<", "String", ">", "sessions", ")", "{", "LOG", ".", "info", "(", "\"Notify sessions: \"", "+", "sessions", "+", "\" about dead node \"", "+", "nodeName", ")", ";", "for", "(", "Str...
All the sessions that had grants on this node should get notified @param nodeName the name of the node that went dead
[ "All", "the", "sessions", "that", "had", "grants", "on", "this", "node", "should", "get", "notified" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManager.java#L900-L905
119,131
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
DataXceiver.updateCurrentThreadName
private void updateCurrentThreadName(String status) { StringBuilder sb = new StringBuilder(); sb.append("DataXceiver for client "); InetAddress ia; if (s != null && (ia = s.getInetAddress()) != null) { sb.append(ia.toString()); } else { sb.append("unknown"); } if (status !...
java
private void updateCurrentThreadName(String status) { StringBuilder sb = new StringBuilder(); sb.append("DataXceiver for client "); InetAddress ia; if (s != null && (ia = s.getInetAddress()) != null) { sb.append(ia.toString()); } else { sb.append("unknown"); } if (status !...
[ "private", "void", "updateCurrentThreadName", "(", "String", "status", ")", "{", "StringBuilder", "sb", "=", "new", "StringBuilder", "(", ")", ";", "sb", ".", "append", "(", "\"DataXceiver for client \"", ")", ";", "InetAddress", "ia", ";", "if", "(", "s", "...
Update the thread name to contain the current status. Use this only after this receiver has started on its thread, i.e., outside the constructor.
[ "Update", "the", "thread", "name", "to", "contain", "the", "current", "status", ".", "Use", "this", "only", "after", "this", "receiver", "has", "started", "on", "its", "thread", "i", ".", "e", ".", "outside", "the", "constructor", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java#L120-L134
119,132
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
DataXceiver.readMetadata
void readMetadata(DataInputStream in, VersionAndOpcode versionAndOpcode) throws IOException { ReadMetadataHeader readMetadataHeader = new ReadMetadataHeader(versionAndOpcode); readMetadataHeader.readFields(in); final int namespaceId = readMetadataHeader.getNamespaceId(); Block block = new...
java
void readMetadata(DataInputStream in, VersionAndOpcode versionAndOpcode) throws IOException { ReadMetadataHeader readMetadataHeader = new ReadMetadataHeader(versionAndOpcode); readMetadataHeader.readFields(in); final int namespaceId = readMetadataHeader.getNamespaceId(); Block block = new...
[ "void", "readMetadata", "(", "DataInputStream", "in", ",", "VersionAndOpcode", "versionAndOpcode", ")", "throws", "IOException", "{", "ReadMetadataHeader", "readMetadataHeader", "=", "new", "ReadMetadataHeader", "(", "versionAndOpcode", ")", ";", "readMetadataHeader", "."...
Reads the metadata and sends the data in one 'DATA_CHUNK'. @param in
[ "Reads", "the", "metadata", "and", "sends", "the", "data", "in", "one", "DATA_CHUNK", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java#L891-L924
119,133
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
DataXceiver.getBlockCrc
void getBlockCrc(DataInputStream in, VersionAndOpcode versionAndOpcode) throws IOException { // header BlockChecksumHeader blockChecksumHeader = new BlockChecksumHeader(versionAndOpcode); blockChecksumHeader.readFields(in); final int namespaceId = blockChecksumHeader.getNamespaceId(); ...
java
void getBlockCrc(DataInputStream in, VersionAndOpcode versionAndOpcode) throws IOException { // header BlockChecksumHeader blockChecksumHeader = new BlockChecksumHeader(versionAndOpcode); blockChecksumHeader.readFields(in); final int namespaceId = blockChecksumHeader.getNamespaceId(); ...
[ "void", "getBlockCrc", "(", "DataInputStream", "in", ",", "VersionAndOpcode", "versionAndOpcode", ")", "throws", "IOException", "{", "// header", "BlockChecksumHeader", "blockChecksumHeader", "=", "new", "BlockChecksumHeader", "(", "versionAndOpcode", ")", ";", "blockChec...
Get block data's CRC32 checksum. @param in @param versionAndOpcode
[ "Get", "block", "data", "s", "CRC32", "checksum", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java#L931-L985
119,134
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
DataXceiver.copyBlock
private void copyBlock(DataInputStream in, VersionAndOpcode versionAndOpcode) throws IOException { // Read in the header CopyBlockHeader copyBlockHeader = new CopyBlockHeader(versionAndOpcode); copyBlockHeader.readFields(in); long startTime = System.currentTimeMillis(); int namespaceId = ...
java
private void copyBlock(DataInputStream in, VersionAndOpcode versionAndOpcode) throws IOException { // Read in the header CopyBlockHeader copyBlockHeader = new CopyBlockHeader(versionAndOpcode); copyBlockHeader.readFields(in); long startTime = System.currentTimeMillis(); int namespaceId = ...
[ "private", "void", "copyBlock", "(", "DataInputStream", "in", ",", "VersionAndOpcode", "versionAndOpcode", ")", "throws", "IOException", "{", "// Read in the header", "CopyBlockHeader", "copyBlockHeader", "=", "new", "CopyBlockHeader", "(", "versionAndOpcode", ")", ";", ...
Read a block from the disk and then sends it to a destination. @param in The stream to read from @throws IOException
[ "Read", "a", "block", "from", "the", "disk", "and", "then", "sends", "it", "to", "a", "destination", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java#L1107-L1172
119,135
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
DataXceiver.sendResponse
private void sendResponse(Socket s, short opStatus, long timeout) throws IOException { DataOutputStream reply = new DataOutputStream(NetUtils.getOutputStream(s, timeout)); reply.writeShort(opStatus); reply.flush(); }
java
private void sendResponse(Socket s, short opStatus, long timeout) throws IOException { DataOutputStream reply = new DataOutputStream(NetUtils.getOutputStream(s, timeout)); reply.writeShort(opStatus); reply.flush(); }
[ "private", "void", "sendResponse", "(", "Socket", "s", ",", "short", "opStatus", ",", "long", "timeout", ")", "throws", "IOException", "{", "DataOutputStream", "reply", "=", "new", "DataOutputStream", "(", "NetUtils", ".", "getOutputStream", "(", "s", ",", "ti...
Utility function for sending a response. @param s socket to write to @param opStatus status message to write @param timeout send timeout
[ "Utility", "function", "for", "sending", "a", "response", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java#L1298-L1305
119,136
facebookarchive/hadoop-20
src/tools/org/apache/hadoop/tools/rumen/JsonObjectMapperParser.java
JsonObjectMapperParser.getNext
public T getNext() throws IOException { try { return mapper.readValue(jsonParser, clazz); } catch (EOFException e) { return null; } }
java
public T getNext() throws IOException { try { return mapper.readValue(jsonParser, clazz); } catch (EOFException e) { return null; } }
[ "public", "T", "getNext", "(", ")", "throws", "IOException", "{", "try", "{", "return", "mapper", ".", "readValue", "(", "jsonParser", ",", "clazz", ")", ";", "}", "catch", "(", "EOFException", "e", ")", "{", "return", "null", ";", "}", "}" ]
Get the next object from the trace. @return The next instance of the object. Or null if we reach the end of stream. @throws IOException
[ "Get", "the", "next", "object", "from", "the", "trace", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/tools/org/apache/hadoop/tools/rumen/JsonObjectMapperParser.java#L98-L104
119,137
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/DBUtils.java
DBUtils.runInsertSelect
public static List<List<Object>> runInsertSelect( DBConnectionFactory connectionFactory, String sql, List<Object> sqlParams, boolean isWrite, int numRetries, int retryMaxInternalSec, boolean insert, boolean getGeneratedKeys) throws IOException { int waitMS = 3000; // wait for at least 3s befor...
java
public static List<List<Object>> runInsertSelect( DBConnectionFactory connectionFactory, String sql, List<Object> sqlParams, boolean isWrite, int numRetries, int retryMaxInternalSec, boolean insert, boolean getGeneratedKeys) throws IOException { int waitMS = 3000; // wait for at least 3s befor...
[ "public", "static", "List", "<", "List", "<", "Object", ">", ">", "runInsertSelect", "(", "DBConnectionFactory", "connectionFactory", ",", "String", "sql", ",", "List", "<", "Object", ">", "sqlParams", ",", "boolean", "isWrite", ",", "int", "numRetries", ",", ...
returned by the query. In the case of an insert, returns null.
[ "returned", "by", "the", "query", ".", "In", "the", "case", "of", "an", "insert", "returns", "null", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/DBUtils.java#L176-L262
119,138
facebookarchive/hadoop-20
src/contrib/index/src/java/org/apache/hadoop/contrib/index/mapred/IntermediateForm.java
IntermediateForm.process
public void process(DocumentAndOp doc, Analyzer analyzer) throws IOException { if (doc.getOp() == DocumentAndOp.Op.DELETE || doc.getOp() == DocumentAndOp.Op.UPDATE) { deleteList.add(doc.getTerm()); } if (doc.getOp() == DocumentAndOp.Op.INSERT || doc.getOp() == DocumentAndOp.O...
java
public void process(DocumentAndOp doc, Analyzer analyzer) throws IOException { if (doc.getOp() == DocumentAndOp.Op.DELETE || doc.getOp() == DocumentAndOp.Op.UPDATE) { deleteList.add(doc.getTerm()); } if (doc.getOp() == DocumentAndOp.Op.INSERT || doc.getOp() == DocumentAndOp.O...
[ "public", "void", "process", "(", "DocumentAndOp", "doc", ",", "Analyzer", "analyzer", ")", "throws", "IOException", "{", "if", "(", "doc", ".", "getOp", "(", ")", "==", "DocumentAndOp", ".", "Op", ".", "DELETE", "||", "doc", ".", "getOp", "(", ")", "=...
This method is used by the index update mapper and process a document operation into the current intermediate form. @param doc input document operation @param analyzer the analyzer @throws IOException
[ "This", "method", "is", "used", "by", "the", "index", "update", "mapper", "and", "process", "a", "document", "operation", "into", "the", "current", "intermediate", "form", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/index/src/java/org/apache/hadoop/contrib/index/mapred/IntermediateForm.java#L96-L115
119,139
facebookarchive/hadoop-20
src/core/org/apache/hadoop/io/CompressedWritable.java
CompressedWritable.ensureInflated
protected void ensureInflated() { if (compressed != null) { try { ByteArrayInputStream deflated = new ByteArrayInputStream(compressed); DataInput inflater = new DataInputStream(new InflaterInputStream(deflated)); readFieldsCompressed(inflater); compressed = null; ...
java
protected void ensureInflated() { if (compressed != null) { try { ByteArrayInputStream deflated = new ByteArrayInputStream(compressed); DataInput inflater = new DataInputStream(new InflaterInputStream(deflated)); readFieldsCompressed(inflater); compressed = null; ...
[ "protected", "void", "ensureInflated", "(", ")", "{", "if", "(", "compressed", "!=", "null", ")", "{", "try", "{", "ByteArrayInputStream", "deflated", "=", "new", "ByteArrayInputStream", "(", "compressed", ")", ";", "DataInput", "inflater", "=", "new", "DataIn...
Must be called by all methods which access fields to ensure that the data has been uncompressed.
[ "Must", "be", "called", "by", "all", "methods", "which", "access", "fields", "to", "ensure", "that", "the", "data", "has", "been", "uncompressed", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/CompressedWritable.java#L50-L62
119,140
facebookarchive/hadoop-20
src/contrib/hdfsproxy/src/java/org/apache/hadoop/hdfsproxy/ProxyUgiManager.java
ProxyUgiManager.getUgiForUser
public static synchronized UnixUserGroupInformation getUgiForUser( String userName) { long now = System.currentTimeMillis(); long cutoffTime = now - ugiLifetime; CachedUgi cachedUgi = ugiCache.get(userName); if (cachedUgi != null && cachedUgi.getInitTime() > cutoffTime) return cachedUgi.getU...
java
public static synchronized UnixUserGroupInformation getUgiForUser( String userName) { long now = System.currentTimeMillis(); long cutoffTime = now - ugiLifetime; CachedUgi cachedUgi = ugiCache.get(userName); if (cachedUgi != null && cachedUgi.getInitTime() > cutoffTime) return cachedUgi.getU...
[ "public", "static", "synchronized", "UnixUserGroupInformation", "getUgiForUser", "(", "String", "userName", ")", "{", "long", "now", "=", "System", ".", "currentTimeMillis", "(", ")", ";", "long", "cutoffTime", "=", "now", "-", "ugiLifetime", ";", "CachedUgi", "...
retrieve an ugi for a user. try the cache first, if not found, get it by running a shell command
[ "retrieve", "an", "ugi", "for", "a", "user", ".", "try", "the", "cache", "first", "if", "not", "found", "get", "it", "by", "running", "a", "shell", "command" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/hdfsproxy/src/java/org/apache/hadoop/hdfsproxy/ProxyUgiManager.java#L49-L73
119,141
facebookarchive/hadoop-20
src/contrib/hdfsproxy/src/java/org/apache/hadoop/hdfsproxy/ProxyUgiManager.java
ProxyUgiManager.saveToCache
static synchronized void saveToCache(UnixUserGroupInformation ugi) { ugiCache.put(ugi.getUserName(), new CachedUgi(ugi, System .currentTimeMillis())); }
java
static synchronized void saveToCache(UnixUserGroupInformation ugi) { ugiCache.put(ugi.getUserName(), new CachedUgi(ugi, System .currentTimeMillis())); }
[ "static", "synchronized", "void", "saveToCache", "(", "UnixUserGroupInformation", "ugi", ")", "{", "ugiCache", ".", "put", "(", "ugi", ".", "getUserName", "(", ")", ",", "new", "CachedUgi", "(", "ugi", ",", "System", ".", "currentTimeMillis", "(", ")", ")", ...
save an ugi to cache, only for junit testing purposes
[ "save", "an", "ugi", "to", "cache", "only", "for", "junit", "testing", "purposes" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/hdfsproxy/src/java/org/apache/hadoop/hdfsproxy/ProxyUgiManager.java#L86-L89
119,142
facebookarchive/hadoop-20
src/contrib/hdfsproxy/src/java/org/apache/hadoop/hdfsproxy/ProxyUgiManager.java
ProxyUgiManager.getUgi
private static UnixUserGroupInformation getUgi(String userName) throws IOException { if (userName == null || !USERNAME_PATTERN.matcher(userName).matches()) throw new IOException("Invalid username=" + userName); String[] cmd = new String[] { "bash", "-c", "id -Gn '" + userName + "'"}; String[] gr...
java
private static UnixUserGroupInformation getUgi(String userName) throws IOException { if (userName == null || !USERNAME_PATTERN.matcher(userName).matches()) throw new IOException("Invalid username=" + userName); String[] cmd = new String[] { "bash", "-c", "id -Gn '" + userName + "'"}; String[] gr...
[ "private", "static", "UnixUserGroupInformation", "getUgi", "(", "String", "userName", ")", "throws", "IOException", "{", "if", "(", "userName", "==", "null", "||", "!", "USERNAME_PATTERN", ".", "matcher", "(", "userName", ")", ".", "matches", "(", ")", ")", ...
Get the ugi for a user by running shell command "id -Gn" @param userName name of the user @return ugi of the user @throws IOException if encounter any error while running the command
[ "Get", "the", "ugi", "for", "a", "user", "by", "running", "shell", "command", "id", "-", "Gn" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/hdfsproxy/src/java/org/apache/hadoop/hdfsproxy/ProxyUgiManager.java#L103-L110
119,143
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/NodeHealthCheckerService.java
NodeHealthCheckerService.start
void start() { // if health script path is not configured don't start the thread. if (!shouldRun(conf)) { LOG.info("Not starting node health monitor"); return; } nodeHealthScriptScheduler = new Timer("NodeHealthMonitor-Timer", true); // Start the timer task immediately and // then pe...
java
void start() { // if health script path is not configured don't start the thread. if (!shouldRun(conf)) { LOG.info("Not starting node health monitor"); return; } nodeHealthScriptScheduler = new Timer("NodeHealthMonitor-Timer", true); // Start the timer task immediately and // then pe...
[ "void", "start", "(", ")", "{", "// if health script path is not configured don't start the thread.", "if", "(", "!", "shouldRun", "(", "conf", ")", ")", "{", "LOG", ".", "info", "(", "\"Not starting node health monitor\"", ")", ";", "return", ";", "}", "nodeHealthS...
Method used to start the Node health monitoring.
[ "Method", "used", "to", "start", "the", "Node", "health", "monitoring", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/NodeHealthCheckerService.java#L228-L238
119,144
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/NodeHealthCheckerService.java
NodeHealthCheckerService.stop
void stop() { if (!shouldRun(conf)) { return; } nodeHealthScriptScheduler.cancel(); if (shexec != null) { Process p = shexec.getProcess(); if (p != null) { p.destroy(); } } }
java
void stop() { if (!shouldRun(conf)) { return; } nodeHealthScriptScheduler.cancel(); if (shexec != null) { Process p = shexec.getProcess(); if (p != null) { p.destroy(); } } }
[ "void", "stop", "(", ")", "{", "if", "(", "!", "shouldRun", "(", "conf", ")", ")", "{", "return", ";", "}", "nodeHealthScriptScheduler", ".", "cancel", "(", ")", ";", "if", "(", "shexec", "!=", "null", ")", "{", "Process", "p", "=", "shexec", ".", ...
Method used to terminate the node health monitoring service.
[ "Method", "used", "to", "terminate", "the", "node", "health", "monitoring", "service", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/NodeHealthCheckerService.java#L244-L255
119,145
facebookarchive/hadoop-20
src/core/org/apache/hadoop/io/WritableName.java
WritableName.setName
public static synchronized void setName(Class writableClass, String name) { CLASS_TO_NAME.put(writableClass, name); NAME_TO_CLASS.put(name, writableClass); }
java
public static synchronized void setName(Class writableClass, String name) { CLASS_TO_NAME.put(writableClass, name); NAME_TO_CLASS.put(name, writableClass); }
[ "public", "static", "synchronized", "void", "setName", "(", "Class", "writableClass", ",", "String", "name", ")", "{", "CLASS_TO_NAME", ".", "put", "(", "writableClass", ",", "name", ")", ";", "NAME_TO_CLASS", ".", "put", "(", "name", ",", "writableClass", "...
Set the name that a class should be known as to something other than the class name.
[ "Set", "the", "name", "that", "a", "class", "should", "be", "known", "as", "to", "something", "other", "than", "the", "class", "name", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/WritableName.java#L46-L49
119,146
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/ParityFilePair.java
ParityFilePair.parityExists
public static boolean parityExists(FileStatus src, Codec codec, Configuration conf) throws IOException { return ParityFilePair.getParityFile(codec, src, conf) != null; }
java
public static boolean parityExists(FileStatus src, Codec codec, Configuration conf) throws IOException { return ParityFilePair.getParityFile(codec, src, conf) != null; }
[ "public", "static", "boolean", "parityExists", "(", "FileStatus", "src", ",", "Codec", "codec", ",", "Configuration", "conf", ")", "throws", "IOException", "{", "return", "ParityFilePair", ".", "getParityFile", "(", "codec", ",", "src", ",", "conf", ")", "!=",...
Return whether if parity file of the source file exists or not @param src The FileStatus of the source file. @param codec The Codec of the parity to check @param conf @return @throws IOException
[ "Return", "whether", "if", "parity", "file", "of", "the", "source", "file", "exists", "or", "not" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/ParityFilePair.java#L57-L60
119,147
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManagerAvailabilityChecker.java
ClusterManagerAvailabilityChecker.getPJTClient
public static CoronaProxyJobTrackerService.Client getPJTClient(CoronaConf conf) throws IOException { InetSocketAddress address = NetUtils.createSocketAddr(conf.getProxyJobTrackerThriftAddress()); TFramedTransport transport = new TFramedTransport( new TSocket(address.getHostName(), address.getPor...
java
public static CoronaProxyJobTrackerService.Client getPJTClient(CoronaConf conf) throws IOException { InetSocketAddress address = NetUtils.createSocketAddr(conf.getProxyJobTrackerThriftAddress()); TFramedTransport transport = new TFramedTransport( new TSocket(address.getHostName(), address.getPor...
[ "public", "static", "CoronaProxyJobTrackerService", ".", "Client", "getPJTClient", "(", "CoronaConf", "conf", ")", "throws", "IOException", "{", "InetSocketAddress", "address", "=", "NetUtils", ".", "createSocketAddr", "(", "conf", ".", "getProxyJobTrackerThriftAddress", ...
Used for getting a client to the CoronaProxyJobTracker @param conf @return Returns a client to the CPJT @throws IOException
[ "Used", "for", "getting", "a", "client", "to", "the", "CoronaProxyJobTracker" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManagerAvailabilityChecker.java#L44-L58
119,148
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManagerAvailabilityChecker.java
ClusterManagerAvailabilityChecker.waitWhileClusterManagerInSafeMode
public static void waitWhileClusterManagerInSafeMode(CoronaConf conf) throws IOException { CoronaProxyJobTrackerService.Client pjtClient = getPJTClient(conf); while (true) { try { // If this condition holds true, then two things can happen: // 1. The CM was never in Safe Mode ...
java
public static void waitWhileClusterManagerInSafeMode(CoronaConf conf) throws IOException { CoronaProxyJobTrackerService.Client pjtClient = getPJTClient(conf); while (true) { try { // If this condition holds true, then two things can happen: // 1. The CM was never in Safe Mode ...
[ "public", "static", "void", "waitWhileClusterManagerInSafeMode", "(", "CoronaConf", "conf", ")", "throws", "IOException", "{", "CoronaProxyJobTrackerService", ".", "Client", "pjtClient", "=", "getPJTClient", "(", "conf", ")", ";", "while", "(", "true", ")", "{", "...
This helper method simply polls the ProxyJobTracker if and until the clusterManagerSafeMode flag is set there. @param conf @throws IOException
[ "This", "helper", "method", "simply", "polls", "the", "ProxyJobTracker", "if", "and", "until", "the", "clusterManagerSafeMode", "flag", "is", "set", "there", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/ClusterManagerAvailabilityChecker.java#L66-L92
119,149
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarShellCommand.java
AvatarShellCommand.noZeroOrOneOrAddress
void noZeroOrOneOrAddress(String command) { if (isZeroCommand || isOneCommand) { throwException(CMD + command + " (zero|one) should not be specified"); } if (isAddressCommand) { throwException(CMD + command + " address should not be specified"); } }
java
void noZeroOrOneOrAddress(String command) { if (isZeroCommand || isOneCommand) { throwException(CMD + command + " (zero|one) should not be specified"); } if (isAddressCommand) { throwException(CMD + command + " address should not be specified"); } }
[ "void", "noZeroOrOneOrAddress", "(", "String", "command", ")", "{", "if", "(", "isZeroCommand", "||", "isOneCommand", ")", "{", "throwException", "(", "CMD", "+", "command", "+", "\" (zero|one) should not be specified\"", ")", ";", "}", "if", "(", "isAddressComman...
For commands that directly obtain information from zk
[ "For", "commands", "that", "directly", "obtain", "information", "from", "zk" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarShellCommand.java#L115-L122
119,150
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarShellCommand.java
AvatarShellCommand.eitherZeroOrOneOrAddress
void eitherZeroOrOneOrAddress(String command) { if (!isAddressCommand && !(isZeroCommand ^ isOneCommand)) { throwException(CMD + command + ": (zero|one) specified incorrectly"); } if (isAddressCommand && (isZeroCommand || isOneCommand)) { throwException(CMD + command + ": cannot specify address ...
java
void eitherZeroOrOneOrAddress(String command) { if (!isAddressCommand && !(isZeroCommand ^ isOneCommand)) { throwException(CMD + command + ": (zero|one) specified incorrectly"); } if (isAddressCommand && (isZeroCommand || isOneCommand)) { throwException(CMD + command + ": cannot specify address ...
[ "void", "eitherZeroOrOneOrAddress", "(", "String", "command", ")", "{", "if", "(", "!", "isAddressCommand", "&&", "!", "(", "isZeroCommand", "^", "isOneCommand", ")", ")", "{", "throwException", "(", "CMD", "+", "command", "+", "\": (zero|one) specified incorrectl...
Check if either -zero -one or -address are specified.
[ "Check", "if", "either", "-", "zero", "-", "one", "or", "-", "address", "are", "specified", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarShellCommand.java#L127-L134
119,151
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/util/LightWeightGSet.java
LightWeightGSet.actualArrayLength
private static int actualArrayLength(int recommended) { if (recommended > MAX_ARRAY_LENGTH) { return MAX_ARRAY_LENGTH; } else if (recommended < MIN_ARRAY_LENGTH) { return MIN_ARRAY_LENGTH; } else { final int a = Integer.highestOneBit(recommended); return a == recommended? a: a << 1; ...
java
private static int actualArrayLength(int recommended) { if (recommended > MAX_ARRAY_LENGTH) { return MAX_ARRAY_LENGTH; } else if (recommended < MIN_ARRAY_LENGTH) { return MIN_ARRAY_LENGTH; } else { final int a = Integer.highestOneBit(recommended); return a == recommended? a: a << 1; ...
[ "private", "static", "int", "actualArrayLength", "(", "int", "recommended", ")", "{", "if", "(", "recommended", ">", "MAX_ARRAY_LENGTH", ")", "{", "return", "MAX_ARRAY_LENGTH", ";", "}", "else", "if", "(", "recommended", "<", "MIN_ARRAY_LENGTH", ")", "{", "ret...
compute actual length
[ "compute", "actual", "length" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/util/LightWeightGSet.java#L87-L96
119,152
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/util/LightWeightGSet.java
LightWeightGSet.shardIterator
@Override public Iterator<E> shardIterator(int shardId, int numShards) { if (shardId >= entries.length) { return null; } if (shardId >= numShards) { throw new IllegalArgumentException( "Shard id must be less than total shards, shardId: " + shardId + ", numShards: " + nu...
java
@Override public Iterator<E> shardIterator(int shardId, int numShards) { if (shardId >= entries.length) { return null; } if (shardId >= numShards) { throw new IllegalArgumentException( "Shard id must be less than total shards, shardId: " + shardId + ", numShards: " + nu...
[ "@", "Override", "public", "Iterator", "<", "E", ">", "shardIterator", "(", "int", "shardId", ",", "int", "numShards", ")", "{", "if", "(", "shardId", ">=", "entries", ".", "length", ")", "{", "return", "null", ";", "}", "if", "(", "shardId", ">=", "...
Get iterator over a part of the blocks map. @param shardId index of the starting bucket @param numShards next bucket is obtained by index+=numShards
[ "Get", "iterator", "over", "a", "part", "of", "the", "blocks", "map", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/util/LightWeightGSet.java#L223-L234
119,153
facebookarchive/hadoop-20
src/core/org/apache/hadoop/conf/ConfServlet.java
ConfServlet.getConfFromContext
private Configuration getConfFromContext() { Configuration conf = (Configuration)getServletContext().getAttribute( HttpServer.CONF_CONTEXT_ATTRIBUTE); assert conf != null; return conf; }
java
private Configuration getConfFromContext() { Configuration conf = (Configuration)getServletContext().getAttribute( HttpServer.CONF_CONTEXT_ATTRIBUTE); assert conf != null; return conf; }
[ "private", "Configuration", "getConfFromContext", "(", ")", "{", "Configuration", "conf", "=", "(", "Configuration", ")", "getServletContext", "(", ")", ".", "getAttribute", "(", "HttpServer", ".", "CONF_CONTEXT_ATTRIBUTE", ")", ";", "assert", "conf", "!=", "null"...
Return the Configuration of the daemon hosting this servlet. This is populated when the HttpServer starts.
[ "Return", "the", "Configuration", "of", "the", "daemon", "hosting", "this", "servlet", ".", "This", "is", "populated", "when", "the", "HttpServer", "starts", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/ConfServlet.java#L45-L50
119,154
facebookarchive/hadoop-20
src/core/org/apache/hadoop/conf/ConfServlet.java
ConfServlet.writeResponse
static void writeResponse(Configuration conf, Writer out, String format) throws IOException, BadFormatException { if (FORMAT_JSON.equals(format)) { Configuration.dumpConfiguration(conf, out); } else if (FORMAT_XML.equals(format)) { conf.writeXml(out); } else { throw new BadFormatExcept...
java
static void writeResponse(Configuration conf, Writer out, String format) throws IOException, BadFormatException { if (FORMAT_JSON.equals(format)) { Configuration.dumpConfiguration(conf, out); } else if (FORMAT_XML.equals(format)) { conf.writeXml(out); } else { throw new BadFormatExcept...
[ "static", "void", "writeResponse", "(", "Configuration", "conf", ",", "Writer", "out", ",", "String", "format", ")", "throws", "IOException", ",", "BadFormatException", "{", "if", "(", "FORMAT_JSON", ".", "equals", "(", "format", ")", ")", "{", "Configuration"...
Guts of the servlet - extracted for easy testing.
[ "Guts", "of", "the", "servlet", "-", "extracted", "for", "easy", "testing", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/conf/ConfServlet.java#L78-L87
119,155
facebookarchive/hadoop-20
src/core/org/apache/hadoop/fs/ftp/FTPFileSystem.java
FTPFileSystem.create
@Override public FSDataOutputStream create(Path file, FsPermission permission, boolean overwrite, int bufferSize, short replication, long blockSize, Progressable progress) throws IOException { final FTPClient client = connect(); Path workDir = new Path(client.printWorkingDirectory()); Path abs...
java
@Override public FSDataOutputStream create(Path file, FsPermission permission, boolean overwrite, int bufferSize, short replication, long blockSize, Progressable progress) throws IOException { final FTPClient client = connect(); Path workDir = new Path(client.printWorkingDirectory()); Path abs...
[ "@", "Override", "public", "FSDataOutputStream", "create", "(", "Path", "file", ",", "FsPermission", "permission", ",", "boolean", "overwrite", ",", "int", "bufferSize", ",", "short", "replication", ",", "long", "blockSize", ",", "Progressable", "progress", ")", ...
A stream obtained via this call must be closed before using other APIs of this class or else the invocation will block.
[ "A", "stream", "obtained", "via", "this", "call", "must", "be", "closed", "before", "using", "other", "APIs", "of", "this", "class", "or", "else", "the", "invocation", "will", "block", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/fs/ftp/FTPFileSystem.java#L194-L245
119,156
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/join/CompositeInputSplit.java
CompositeInputSplit.add
public void add(InputSplit s) throws IOException { if (null == splits) { throw new IOException("Uninitialized InputSplit"); } if (fill == splits.length) { throw new IOException("Too many splits"); } splits[fill++] = s; totsize += s.getLength(); }
java
public void add(InputSplit s) throws IOException { if (null == splits) { throw new IOException("Uninitialized InputSplit"); } if (fill == splits.length) { throw new IOException("Too many splits"); } splits[fill++] = s; totsize += s.getLength(); }
[ "public", "void", "add", "(", "InputSplit", "s", ")", "throws", "IOException", "{", "if", "(", "null", "==", "splits", ")", "{", "throw", "new", "IOException", "(", "\"Uninitialized InputSplit\"", ")", ";", "}", "if", "(", "fill", "==", "splits", ".", "l...
Add an InputSplit to this collection. @throws IOException If capacity was not specified during construction or if capacity has been reached.
[ "Add", "an", "InputSplit", "to", "this", "collection", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/join/CompositeInputSplit.java#L52-L61
119,157
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/join/CompositeInputSplit.java
CompositeInputSplit.getLocations
public String[] getLocations() throws IOException { HashSet<String> hosts = new HashSet<String>(); for (InputSplit s : splits) { String[] hints = s.getLocations(); if (hints != null && hints.length > 0) { for (String host : hints) { hosts.add(host); } } } retu...
java
public String[] getLocations() throws IOException { HashSet<String> hosts = new HashSet<String>(); for (InputSplit s : splits) { String[] hints = s.getLocations(); if (hints != null && hints.length > 0) { for (String host : hints) { hosts.add(host); } } } retu...
[ "public", "String", "[", "]", "getLocations", "(", ")", "throws", "IOException", "{", "HashSet", "<", "String", ">", "hosts", "=", "new", "HashSet", "<", "String", ">", "(", ")", ";", "for", "(", "InputSplit", "s", ":", "splits", ")", "{", "String", ...
Collect a set of hosts from all child InputSplits.
[ "Collect", "a", "set", "of", "hosts", "from", "all", "child", "InputSplits", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/join/CompositeInputSplit.java#L87-L98
119,158
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/bookkeeper/zk/ConnectionWatcher.java
ConnectionWatcher.await
public boolean await(long timeoutMillis) throws IOException { try { return connectLatch.await(timeoutMillis, TimeUnit.MILLISECONDS); } catch (InterruptedException e) { interruptedException( "Interrupted waiting for connection (timeout = " + timeoutMillis + "ms.)", e); r...
java
public boolean await(long timeoutMillis) throws IOException { try { return connectLatch.await(timeoutMillis, TimeUnit.MILLISECONDS); } catch (InterruptedException e) { interruptedException( "Interrupted waiting for connection (timeout = " + timeoutMillis + "ms.)", e); r...
[ "public", "boolean", "await", "(", "long", "timeoutMillis", ")", "throws", "IOException", "{", "try", "{", "return", "connectLatch", ".", "await", "(", "timeoutMillis", ",", "TimeUnit", ".", "MILLISECONDS", ")", ";", "}", "catch", "(", "InterruptedException", ...
Wait until either a specified timeout expires or a connection is created to ZooKeeper. @see {@link CountDownLatch#await(long, TimeUnit)} @param timeoutMillis Wait this long (in milliseconds) for a connection to be established to ZooKeeper. @return True if a connection was established within the specified timeout, fals...
[ "Wait", "until", "either", "a", "specified", "timeout", "expires", "or", "a", "connection", "is", "created", "to", "ZooKeeper", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/namenode/bookkeeper/zk/ConnectionWatcher.java#L66-L75
119,159
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.readIdToRequest
private void readIdToRequest(CoronaSerializer coronaSerializer) throws IOException { coronaSerializer.readField("idToRequest"); // Expecting the START_OBJECT token for idToRequest coronaSerializer.readStartObjectToken("idToRequest"); JsonToken current = coronaSerializer.nextToken(); while (curre...
java
private void readIdToRequest(CoronaSerializer coronaSerializer) throws IOException { coronaSerializer.readField("idToRequest"); // Expecting the START_OBJECT token for idToRequest coronaSerializer.readStartObjectToken("idToRequest"); JsonToken current = coronaSerializer.nextToken(); while (curre...
[ "private", "void", "readIdToRequest", "(", "CoronaSerializer", "coronaSerializer", ")", "throws", "IOException", "{", "coronaSerializer", ".", "readField", "(", "\"idToRequest\"", ")", ";", "// Expecting the START_OBJECT token for idToRequest", "coronaSerializer", ".", "readS...
Reads the idToRequest map from a JSON stream @param coronaSerializer The CoronaSerializer instance to be used to read the JSON @throws IOException
[ "Reads", "the", "idToRequest", "map", "from", "a", "JSON", "stream" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L212-L224
119,160
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.readIdToPendingRequests
private void readIdToPendingRequests(CoronaSerializer coronaSerializer) throws IOException { coronaSerializer.readField("idToPendingRequests"); // Expecting the START_ARRAY token for idToPendingRequests coronaSerializer.readStartArrayToken("idToPendingRequests"); JsonToken current = coronaSerializer...
java
private void readIdToPendingRequests(CoronaSerializer coronaSerializer) throws IOException { coronaSerializer.readField("idToPendingRequests"); // Expecting the START_ARRAY token for idToPendingRequests coronaSerializer.readStartArrayToken("idToPendingRequests"); JsonToken current = coronaSerializer...
[ "private", "void", "readIdToPendingRequests", "(", "CoronaSerializer", "coronaSerializer", ")", "throws", "IOException", "{", "coronaSerializer", ".", "readField", "(", "\"idToPendingRequests\"", ")", ";", "// Expecting the START_ARRAY token for idToPendingRequests", "coronaSeria...
Reads the idToPendingRequests map from a JSON stream @param coronaSerializer The CoronaSerializer instance to be used to read the JSON @throws IOException
[ "Reads", "the", "idToPendingRequests", "map", "from", "a", "JSON", "stream" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L233-L244
119,161
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.readIdToGrant
private void readIdToGrant(CoronaSerializer coronaSerializer) throws IOException { coronaSerializer.readField("idToGrant"); // Expecting the START_OBJECT token for idToGrant coronaSerializer.readStartObjectToken("idToGrant"); JsonToken current = coronaSerializer.nextToken(); while (current != Js...
java
private void readIdToGrant(CoronaSerializer coronaSerializer) throws IOException { coronaSerializer.readField("idToGrant"); // Expecting the START_OBJECT token for idToGrant coronaSerializer.readStartObjectToken("idToGrant"); JsonToken current = coronaSerializer.nextToken(); while (current != Js...
[ "private", "void", "readIdToGrant", "(", "CoronaSerializer", "coronaSerializer", ")", "throws", "IOException", "{", "coronaSerializer", ".", "readField", "(", "\"idToGrant\"", ")", ";", "// Expecting the START_OBJECT token for idToGrant", "coronaSerializer", ".", "readStartOb...
Reads the idToGrant map from a JSON stream @param coronaSerializer The CoronaSerializer instance to be used to read the JSON @throws IOException
[ "Reads", "the", "idToGrant", "map", "from", "a", "JSON", "stream" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L253-L267
119,162
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.readTypeToFirstWait
private void readTypeToFirstWait(CoronaSerializer coronaSerializer) throws IOException { coronaSerializer.readField("typeToFirstWait"); // Expecting the START_OBJECT token for typeToFirstWait coronaSerializer.readStartObjectToken("typeToFirstWait"); JsonToken current = coronaSerializer.nextToken(); ...
java
private void readTypeToFirstWait(CoronaSerializer coronaSerializer) throws IOException { coronaSerializer.readField("typeToFirstWait"); // Expecting the START_OBJECT token for typeToFirstWait coronaSerializer.readStartObjectToken("typeToFirstWait"); JsonToken current = coronaSerializer.nextToken(); ...
[ "private", "void", "readTypeToFirstWait", "(", "CoronaSerializer", "coronaSerializer", ")", "throws", "IOException", "{", "coronaSerializer", ".", "readField", "(", "\"typeToFirstWait\"", ")", ";", "// Expecting the START_OBJECT token for typeToFirstWait", "coronaSerializer", "...
Reads the typeToFirstWait map from the JSON stream @param coronaSerializer The CoronaSerializer instance to be used to read the JSON @throws IOException
[ "Reads", "the", "typeToFirstWait", "map", "from", "the", "JSON", "stream" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L276-L292
119,163
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.write
public void write(JsonGenerator jsonGenerator) throws IOException { jsonGenerator.writeStartObject(); jsonGenerator.writeFieldName("idToRequest"); jsonGenerator.writeStartObject(); for (Integer id : idToRequest.keySet()) { jsonGenerator.writeFieldName(id.toString()); idToRequest.get(id).wri...
java
public void write(JsonGenerator jsonGenerator) throws IOException { jsonGenerator.writeStartObject(); jsonGenerator.writeFieldName("idToRequest"); jsonGenerator.writeStartObject(); for (Integer id : idToRequest.keySet()) { jsonGenerator.writeFieldName(id.toString()); idToRequest.get(id).wri...
[ "public", "void", "write", "(", "JsonGenerator", "jsonGenerator", ")", "throws", "IOException", "{", "jsonGenerator", ".", "writeStartObject", "(", ")", ";", "jsonGenerator", ".", "writeFieldName", "(", "\"idToRequest\"", ")", ";", "jsonGenerator", ".", "writeStartO...
Used to write the state of the Session instance to disk, when we are persisting the state of the ClusterManager @param jsonGenerator The JsonGenerator instance being used to write JSON to disk @throws IOException
[ "Used", "to", "write", "the", "state", "of", "the", "Session", "instance", "to", "disk", "when", "we", "are", "persisting", "the", "state", "of", "the", "ClusterManager" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L302-L364
119,164
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.restoreAfterSafeModeRestart
public void restoreAfterSafeModeRestart() { for (Integer pendingRequestId : pendingRequestsList) { ResourceRequestInfo request = idToRequest.get(pendingRequestId); incrementRequestCount(request.getType(), 1); addPendingRequest(request); } for (Integer grantedRequestId : idToGrant.keySet()...
java
public void restoreAfterSafeModeRestart() { for (Integer pendingRequestId : pendingRequestsList) { ResourceRequestInfo request = idToRequest.get(pendingRequestId); incrementRequestCount(request.getType(), 1); addPendingRequest(request); } for (Integer grantedRequestId : idToGrant.keySet()...
[ "public", "void", "restoreAfterSafeModeRestart", "(", ")", "{", "for", "(", "Integer", "pendingRequestId", ":", "pendingRequestsList", ")", "{", "ResourceRequestInfo", "request", "=", "idToRequest", ".", "get", "(", "pendingRequestId", ")", ";", "incrementRequestCount...
This method rebuilds members related to the Session instance, which were not directly persisted themselves.
[ "This", "method", "rebuilds", "members", "related", "to", "the", "Session", "instance", "which", "were", "not", "directly", "persisted", "themselves", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L370-L382
119,165
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.updateInfoUrlAndName
public void updateInfoUrlAndName(String url, String name) { this.info.url = url; this.info.name = name; }
java
public void updateInfoUrlAndName(String url, String name) { this.info.url = url; this.info.name = name; }
[ "public", "void", "updateInfoUrlAndName", "(", "String", "url", ",", "String", "name", ")", "{", "this", ".", "info", ".", "url", "=", "url", ";", "this", ".", "info", ".", "name", "=", "name", ";", "}" ]
Only update the session info url and name. @param url New session info url @param name New session name
[ "Only", "update", "the", "session", "info", "url", "and", "name", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L465-L468
119,166
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.getPendingRequestOnHost
public ResourceRequestInfo getPendingRequestOnHost( String host, ResourceType type) { Context c = getContext(type); List<ResourceRequestInfo> hostReqs = c.hostToPendingRequests.get(host); if (hostReqs != null) { // Returning the first element in the list makes the subsequent // call to Utili...
java
public ResourceRequestInfo getPendingRequestOnHost( String host, ResourceType type) { Context c = getContext(type); List<ResourceRequestInfo> hostReqs = c.hostToPendingRequests.get(host); if (hostReqs != null) { // Returning the first element in the list makes the subsequent // call to Utili...
[ "public", "ResourceRequestInfo", "getPendingRequestOnHost", "(", "String", "host", ",", "ResourceType", "type", ")", "{", "Context", "c", "=", "getContext", "(", "type", ")", ";", "List", "<", "ResourceRequestInfo", ">", "hostReqs", "=", "c", ".", "hostToPending...
Find a pending request that wants to run on a given host. @param host the host @param type the type of the request @return The resource request info for the matching request
[ "Find", "a", "pending", "request", "that", "wants", "to", "run", "on", "a", "given", "host", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L494-L504
119,167
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.getPendingRequestOnRack
public ResourceRequestInfo getPendingRequestOnRack( String host, Node rack, ResourceType type) { Context c = getContext(type); List<ResourceRequestInfo> rackReqs = c.rackToPendingRequests.get(rack); if (rackReqs != null) { for (ResourceRequestInfo req: rackReqs) { Set<String> excluded = re...
java
public ResourceRequestInfo getPendingRequestOnRack( String host, Node rack, ResourceType type) { Context c = getContext(type); List<ResourceRequestInfo> rackReqs = c.rackToPendingRequests.get(rack); if (rackReqs != null) { for (ResourceRequestInfo req: rackReqs) { Set<String> excluded = re...
[ "public", "ResourceRequestInfo", "getPendingRequestOnRack", "(", "String", "host", ",", "Node", "rack", ",", "ResourceType", "type", ")", "{", "Context", "c", "=", "getContext", "(", "type", ")", ";", "List", "<", "ResourceRequestInfo", ">", "rackReqs", "=", "...
Find a pending request that wants to run on a given rack. @param host The host we are considering @param rack The rack of the host @param type the type of the request @return The resource request info for the matching request
[ "Find", "a", "pending", "request", "that", "wants", "to", "run", "on", "a", "given", "rack", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L513-L526
119,168
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.getPendingRequestForAny
public ResourceRequestInfo getPendingRequestForAny( String host, ResourceType type) { Context c = getContext(type); for (ResourceRequestInfo req: c.anyHostRequests) { Set<String> excluded = req.getExcludeHosts(); if (!excluded.contains(host)) { return req; } } return null; ...
java
public ResourceRequestInfo getPendingRequestForAny( String host, ResourceType type) { Context c = getContext(type); for (ResourceRequestInfo req: c.anyHostRequests) { Set<String> excluded = req.getExcludeHosts(); if (!excluded.contains(host)) { return req; } } return null; ...
[ "public", "ResourceRequestInfo", "getPendingRequestForAny", "(", "String", "host", ",", "ResourceType", "type", ")", "{", "Context", "c", "=", "getContext", "(", "type", ")", ";", "for", "(", "ResourceRequestInfo", "req", ":", "c", ".", "anyHostRequests", ")", ...
Find a pending request that can run on any machine. @param host The host we are considering @param type the type of the request @return The resource request info for the matching request
[ "Find", "a", "pending", "request", "that", "can", "run", "on", "any", "machine", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L534-L544
119,169
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.getContext
protected Context getContext(ResourceType type) { Context c = typeToContext.get(type); if (c == null) { c = new Context(); typeToContext.put(type, c); } return c; }
java
protected Context getContext(ResourceType type) { Context c = typeToContext.get(type); if (c == null) { c = new Context(); typeToContext.put(type, c); } return c; }
[ "protected", "Context", "getContext", "(", "ResourceType", "type", ")", "{", "Context", "c", "=", "typeToContext", ".", "get", "(", "type", ")", ";", "if", "(", "c", "==", "null", ")", "{", "c", "=", "new", "Context", "(", ")", ";", "typeToContext", ...
Get the context for a resource type. Creates the context on demand if it doesn't exist. @param type Type of resource @return Appropriate resource context
[ "Get", "the", "context", "for", "a", "resource", "type", ".", "Creates", "the", "context", "on", "demand", "if", "it", "doesn", "t", "exist", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L604-L611
119,170
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.incrementRequestCount
protected void incrementRequestCount(ResourceType type, int delta) { Context c = getContext(type); int newRequestCount = c.requestCount + delta; c.requestCount = newRequestCount; if (newRequestCount > c.maxConcurrentRequestCount) { c.maxConcurrentRequestCount = newRequestCount; } }
java
protected void incrementRequestCount(ResourceType type, int delta) { Context c = getContext(type); int newRequestCount = c.requestCount + delta; c.requestCount = newRequestCount; if (newRequestCount > c.maxConcurrentRequestCount) { c.maxConcurrentRequestCount = newRequestCount; } }
[ "protected", "void", "incrementRequestCount", "(", "ResourceType", "type", ",", "int", "delta", ")", "{", "Context", "c", "=", "getContext", "(", "type", ")", ";", "int", "newRequestCount", "=", "c", ".", "requestCount", "+", "delta", ";", "c", ".", "reque...
Increase a request count for a resource for this session. It cannot exceed the max concurrent request count. @param type Resource type @param delta incremental request count
[ "Increase", "a", "request", "count", "for", "a", "resource", "for", "this", "session", ".", "It", "cannot", "exceed", "the", "max", "concurrent", "request", "count", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L620-L627
119,171
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.addPendingRequestForType
protected void addPendingRequestForType(ResourceRequestInfo req) { Context c = getContext(req.getType()); c.pendingRequests.add(req); c.pendingRequestCount++; }
java
protected void addPendingRequestForType(ResourceRequestInfo req) { Context c = getContext(req.getType()); c.pendingRequests.add(req); c.pendingRequestCount++; }
[ "protected", "void", "addPendingRequestForType", "(", "ResourceRequestInfo", "req", ")", "{", "Context", "c", "=", "getContext", "(", "req", ".", "getType", "(", ")", ")", ";", "c", ".", "pendingRequests", ".", "add", "(", "req", ")", ";", "c", ".", "pen...
Add a pending request for a resource type. @param req Resource request to add
[ "Add", "a", "pending", "request", "for", "a", "resource", "type", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L634-L638
119,172
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.removePendingRequestForType
protected void removePendingRequestForType(ResourceRequestInfo req) { Context c = getContext(req.getType()); Object removed = Utilities.removeReference(c.pendingRequests, req); if (removed != null) { c.pendingRequestCount--; } }
java
protected void removePendingRequestForType(ResourceRequestInfo req) { Context c = getContext(req.getType()); Object removed = Utilities.removeReference(c.pendingRequests, req); if (removed != null) { c.pendingRequestCount--; } }
[ "protected", "void", "removePendingRequestForType", "(", "ResourceRequestInfo", "req", ")", "{", "Context", "c", "=", "getContext", "(", "req", ".", "getType", "(", ")", ")", ";", "Object", "removed", "=", "Utilities", ".", "removeReference", "(", "c", ".", ...
Remove a pending resource request for a resource type @param req Resource request to remove
[ "Remove", "a", "pending", "resource", "request", "for", "a", "resource", "type" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L645-L651
119,173
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.addGrantedRequest
protected void addGrantedRequest(ResourceRequestInfo req) { Context c = getContext(req.getType()); c.grantedRequests.add(req); // assume a granted resource is going to be fully used c.fulfilledRequestCount++; }
java
protected void addGrantedRequest(ResourceRequestInfo req) { Context c = getContext(req.getType()); c.grantedRequests.add(req); // assume a granted resource is going to be fully used c.fulfilledRequestCount++; }
[ "protected", "void", "addGrantedRequest", "(", "ResourceRequestInfo", "req", ")", "{", "Context", "c", "=", "getContext", "(", "req", ".", "getType", "(", ")", ")", ";", "c", ".", "grantedRequests", ".", "add", "(", "req", ")", ";", "// assume a granted reso...
Add a granted request for a resource type. @param req Resource request to add
[ "Add", "a", "granted", "request", "for", "a", "resource", "type", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L658-L664
119,174
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.removeGrantedRequest
protected void removeGrantedRequest( ResourceRequestInfo req, boolean isRevoked) { Context c = getContext(req.getType()); Utilities.removeReference(c.grantedRequests, req); // if revoked - we didn't fulfill this request if (isRevoked) { c.fulfilledRequestCount--; c.revokedRequestCount++...
java
protected void removeGrantedRequest( ResourceRequestInfo req, boolean isRevoked) { Context c = getContext(req.getType()); Utilities.removeReference(c.grantedRequests, req); // if revoked - we didn't fulfill this request if (isRevoked) { c.fulfilledRequestCount--; c.revokedRequestCount++...
[ "protected", "void", "removeGrantedRequest", "(", "ResourceRequestInfo", "req", ",", "boolean", "isRevoked", ")", "{", "Context", "c", "=", "getContext", "(", "req", ".", "getType", "(", ")", ")", ";", "Utilities", ".", "removeReference", "(", "c", ".", "gra...
Remove a granted request for a resource type. @param req Resource request to remove @param isRevoked Was this request revoked from the cluster manager?
[ "Remove", "a", "granted", "request", "for", "a", "resource", "type", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L672-L682
119,175
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.requestResource
public void requestResource(List<ResourceRequestInfo> requestList) { if (deleted) { throw new RuntimeException("Session: " + sessionId + " has been deleted"); } for (ResourceRequestInfo req : requestList) { boolean newRequest = idToRequest.put(req.getId(), req) == null; if (!new...
java
public void requestResource(List<ResourceRequestInfo> requestList) { if (deleted) { throw new RuntimeException("Session: " + sessionId + " has been deleted"); } for (ResourceRequestInfo req : requestList) { boolean newRequest = idToRequest.put(req.getId(), req) == null; if (!new...
[ "public", "void", "requestResource", "(", "List", "<", "ResourceRequestInfo", ">", "requestList", ")", "{", "if", "(", "deleted", ")", "{", "throw", "new", "RuntimeException", "(", "\"Session: \"", "+", "sessionId", "+", "\" has been deleted\"", ")", ";", "}", ...
Request a list of resources @param requestList List of resource requests
[ "Request", "a", "list", "of", "resources" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L866-L884
119,176
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.setTypeRequested
private void setTypeRequested(ResourceType type) { synchronized (typeToFirstWait) { if (!typeToFirstWait.containsKey(type)) { typeToFirstWait.put(type, null); } } }
java
private void setTypeRequested(ResourceType type) { synchronized (typeToFirstWait) { if (!typeToFirstWait.containsKey(type)) { typeToFirstWait.put(type, null); } } }
[ "private", "void", "setTypeRequested", "(", "ResourceType", "type", ")", "{", "synchronized", "(", "typeToFirstWait", ")", "{", "if", "(", "!", "typeToFirstWait", ".", "containsKey", "(", "type", ")", ")", "{", "typeToFirstWait", ".", "put", "(", "type", ","...
Set the resource type to requested for first wait metrics. The value will be set to null to denote the difference between waiting and requested and not waiting. @param type Resource type that is will be set to requested for metrics.
[ "Set", "the", "resource", "type", "to", "requested", "for", "first", "wait", "metrics", ".", "The", "value", "will", "be", "set", "to", "null", "to", "denote", "the", "difference", "between", "waiting", "and", "requested", "and", "not", "waiting", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L893-L899
119,177
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.addPendingRequest
private void addPendingRequest(ResourceRequestInfo req) { idToPendingRequests.put(req.getId(), req); if (req.getHosts() != null && req.getHosts().size() > 0) { Context c = getContext(req.getType()); for (RequestedNode node: req.getRequestedNodes()) { String host = node.getHost(); Lis...
java
private void addPendingRequest(ResourceRequestInfo req) { idToPendingRequests.put(req.getId(), req); if (req.getHosts() != null && req.getHosts().size() > 0) { Context c = getContext(req.getType()); for (RequestedNode node: req.getRequestedNodes()) { String host = node.getHost(); Lis...
[ "private", "void", "addPendingRequest", "(", "ResourceRequestInfo", "req", ")", "{", "idToPendingRequests", ".", "put", "(", "req", ".", "getId", "(", ")", ",", "req", ")", ";", "if", "(", "req", ".", "getHosts", "(", ")", "!=", "null", "&&", "req", "....
Add a request to the list of pending @param req the request to add
[ "Add", "a", "request", "to", "the", "list", "of", "pending" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L905-L930
119,178
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.removePendingRequest
private void removePendingRequest(ResourceRequestInfo req) { ResourceRequestInfo removed = idToPendingRequests.remove(req.getId()); if (removed != null) { if (req.getHosts() != null && req.getHosts().size() > 0) { Context c = getContext(req.getType()); for (RequestedNode node : req.getRequ...
java
private void removePendingRequest(ResourceRequestInfo req) { ResourceRequestInfo removed = idToPendingRequests.remove(req.getId()); if (removed != null) { if (req.getHosts() != null && req.getHosts().size() > 0) { Context c = getContext(req.getType()); for (RequestedNode node : req.getRequ...
[ "private", "void", "removePendingRequest", "(", "ResourceRequestInfo", "req", ")", "{", "ResourceRequestInfo", "removed", "=", "idToPendingRequests", ".", "remove", "(", "req", ".", "getId", "(", ")", ")", ";", "if", "(", "removed", "!=", "null", ")", "{", "...
Removes the request from the list of pending @param req the request to remove
[ "Removes", "the", "request", "from", "the", "list", "of", "pending" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L936-L963
119,179
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.releaseResource
public List<ResourceGrant> releaseResource(List<Integer> idList) { if (deleted) { throw new RuntimeException("Session: " + sessionId + " has been deleted"); } List<ResourceGrant> canceledGrants = new ArrayList<ResourceGrant>(); for (Integer id : idList) { ResourceRequestInfo req =...
java
public List<ResourceGrant> releaseResource(List<Integer> idList) { if (deleted) { throw new RuntimeException("Session: " + sessionId + " has been deleted"); } List<ResourceGrant> canceledGrants = new ArrayList<ResourceGrant>(); for (Integer id : idList) { ResourceRequestInfo req =...
[ "public", "List", "<", "ResourceGrant", ">", "releaseResource", "(", "List", "<", "Integer", ">", "idList", ")", "{", "if", "(", "deleted", ")", "{", "throw", "new", "RuntimeException", "(", "\"Session: \"", "+", "sessionId", "+", "\" has been deleted\"", ")",...
Release the resources that are no longer needed from the session @param idList the list of resources to release @return the list of resources that have been released
[ "Release", "the", "resources", "that", "are", "no", "longer", "needed", "from", "the", "session" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L971-L996
119,180
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.grantResource
public void grantResource(ResourceRequestInfo req, ResourceGrant grant) { if (deleted) { throw new RuntimeException("Session: " + sessionId + " has been deleted"); } removePendingRequest(req); idToGrant.put(req.getId(), grant); addGrantedRequest(req); // Handle the first wait m...
java
public void grantResource(ResourceRequestInfo req, ResourceGrant grant) { if (deleted) { throw new RuntimeException("Session: " + sessionId + " has been deleted"); } removePendingRequest(req); idToGrant.put(req.getId(), grant); addGrantedRequest(req); // Handle the first wait m...
[ "public", "void", "grantResource", "(", "ResourceRequestInfo", "req", ",", "ResourceGrant", "grant", ")", "{", "if", "(", "deleted", ")", "{", "throw", "new", "RuntimeException", "(", "\"Session: \"", "+", "sessionId", "+", "\" has been deleted\"", ")", ";", "}"...
Grant a resource to a session to satisfy a request. Update the finalized first resource type times if not already set @param req the request being satisfied @param grant the grant satisfying the request
[ "Grant", "a", "resource", "to", "a", "session", "to", "satisfy", "a", "request", ".", "Update", "the", "finalized", "first", "resource", "type", "times", "if", "not", "already", "set" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L1004-L1026
119,181
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.revokeResource
public List<ResourceGrant> revokeResource(List<Integer> idList) { if (deleted) { throw new RuntimeException("Session: " + sessionId + " has been deleted"); } List<ResourceGrant> canceledGrants = new ArrayList<ResourceGrant>(); for (Integer id : idList) { ResourceRequestInfo req = ...
java
public List<ResourceGrant> revokeResource(List<Integer> idList) { if (deleted) { throw new RuntimeException("Session: " + sessionId + " has been deleted"); } List<ResourceGrant> canceledGrants = new ArrayList<ResourceGrant>(); for (Integer id : idList) { ResourceRequestInfo req = ...
[ "public", "List", "<", "ResourceGrant", ">", "revokeResource", "(", "List", "<", "Integer", ">", "idList", ")", "{", "if", "(", "deleted", ")", "{", "throw", "new", "RuntimeException", "(", "\"Session: \"", "+", "sessionId", "+", "\" has been deleted\"", ")", ...
Revoke a list of resources from a session @param idList the list of resources to revoke @return the list of resource grants that have been revoked
[ "Revoke", "a", "list", "of", "resources", "from", "a", "session" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L1033-L1057
119,182
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.getGrantReportList
public List<GrantReport> getGrantReportList() { Map<Integer, GrantReport> grantReportMap = new TreeMap<Integer, GrantReport>(); for (Map.Entry<Integer, ResourceGrant> entry : idToGrant.entrySet()) { grantReportMap.put(entry.getKey(), new GrantReport(entry.getKey().intValue(), ...
java
public List<GrantReport> getGrantReportList() { Map<Integer, GrantReport> grantReportMap = new TreeMap<Integer, GrantReport>(); for (Map.Entry<Integer, ResourceGrant> entry : idToGrant.entrySet()) { grantReportMap.put(entry.getKey(), new GrantReport(entry.getKey().intValue(), ...
[ "public", "List", "<", "GrantReport", ">", "getGrantReportList", "(", ")", "{", "Map", "<", "Integer", ",", "GrantReport", ">", "grantReportMap", "=", "new", "TreeMap", "<", "Integer", ",", "GrantReport", ">", "(", ")", ";", "for", "(", "Map", ".", "Entr...
Get a snapshot of the grants used for this session for the web server. This method should be synchronized by the caller around the session. @return List of {@link GrantReport} objects for this session sorted by id.
[ "Get", "a", "snapshot", "of", "the", "grants", "used", "for", "this", "session", "for", "the", "web", "server", ".", "This", "method", "should", "be", "synchronized", "by", "the", "caller", "around", "the", "session", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L1084-L1095
119,183
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.checkHeartbeatInfo
public boolean checkHeartbeatInfo(HeartbeatArgs jtInfo) { if (expectedInfo.requestId != jtInfo.requestId){ LOG.fatal("heartbeat out-of-sync:" + sessionId + " CM:" + expectedInfo.requestId + " " + expectedInfo.grantId + " JT:" + jtInfo.requestId + " " + jtInfo.grantId); return false; ...
java
public boolean checkHeartbeatInfo(HeartbeatArgs jtInfo) { if (expectedInfo.requestId != jtInfo.requestId){ LOG.fatal("heartbeat out-of-sync:" + sessionId + " CM:" + expectedInfo.requestId + " " + expectedInfo.grantId + " JT:" + jtInfo.requestId + " " + jtInfo.grantId); return false; ...
[ "public", "boolean", "checkHeartbeatInfo", "(", "HeartbeatArgs", "jtInfo", ")", "{", "if", "(", "expectedInfo", ".", "requestId", "!=", "jtInfo", ".", "requestId", ")", "{", "LOG", ".", "fatal", "(", "\"heartbeat out-of-sync:\"", "+", "sessionId", "+", "\" CM:\"...
Check if the heartbeatInfo between JT and CM are in sync. If this method returns false, it means JT and CM are out of sync very badly, and the session will be killed.
[ "Check", "if", "the", "heartbeatInfo", "between", "JT", "and", "CM", "are", "in", "sync", ".", "If", "this", "method", "returns", "false", "it", "means", "JT", "and", "CM", "are", "out", "of", "sync", "very", "badly", "and", "the", "session", "will", "...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L1131-L1169
119,184
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.getGrantsToPreempt
public List<Integer> getGrantsToPreempt( int maxGrantsToPreempt, long maxRunningTime, ResourceType type) { if (deleted) { LOG.warn("Attempt to preempt from deleted session " + getSessionId()); return Collections.emptyList(); } List<ResourceGrant> candidates = getGrantsYoungerThan(maxRunnin...
java
public List<Integer> getGrantsToPreempt( int maxGrantsToPreempt, long maxRunningTime, ResourceType type) { if (deleted) { LOG.warn("Attempt to preempt from deleted session " + getSessionId()); return Collections.emptyList(); } List<ResourceGrant> candidates = getGrantsYoungerThan(maxRunnin...
[ "public", "List", "<", "Integer", ">", "getGrantsToPreempt", "(", "int", "maxGrantsToPreempt", ",", "long", "maxRunningTime", ",", "ResourceType", "type", ")", "{", "if", "(", "deleted", ")", "{", "LOG", ".", "warn", "(", "\"Attempt to preempt from deleted session...
Obtain a list of grants to be preempted @param maxGrantsToPreempt The maximum number of grants to preempt @param maxRunningTime The running time of the preempted grants cannot be larger than this number (in ms) @param type The task type of the grants @return The list of grant id to be preempted
[ "Obtain", "a", "list", "of", "grants", "to", "be", "preempted" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L1201-L1227
119,185
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.getGrantsYoungerThan
private List<ResourceGrant> getGrantsYoungerThan( long maxRunningTime, ResourceType type) { long now = ClusterManager.clock.getTime(); List<ResourceGrant> candidates = new ArrayList<ResourceGrant>(); for (ResourceGrant grant : getGrants()) { if (now - grant.getGrantedTime() < maxRunningTime && ...
java
private List<ResourceGrant> getGrantsYoungerThan( long maxRunningTime, ResourceType type) { long now = ClusterManager.clock.getTime(); List<ResourceGrant> candidates = new ArrayList<ResourceGrant>(); for (ResourceGrant grant : getGrants()) { if (now - grant.getGrantedTime() < maxRunningTime && ...
[ "private", "List", "<", "ResourceGrant", ">", "getGrantsYoungerThan", "(", "long", "maxRunningTime", ",", "ResourceType", "type", ")", "{", "long", "now", "=", "ClusterManager", ".", "clock", ".", "getTime", "(", ")", ";", "List", "<", "ResourceGrant", ">", ...
Get all the grants that have been running for less than maxRunningTime @param maxRunningTime the threshold to check against @param type the type of the grants to return @return the list of grants of a given type that have been granted less than maxRunningTime ago
[ "Get", "all", "the", "grants", "that", "have", "been", "running", "for", "less", "than", "maxRunningTime" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L1236-L1247
119,186
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java
Session.sortGrantsByStartTime
private void sortGrantsByStartTime(List<ResourceGrant> grants) { Collections.sort(grants, new Comparator<ResourceGrant>() { @Override public int compare(ResourceGrant g1, ResourceGrant g2) { if (g1.grantedTime < g2.grantedTime) { return 1; } if (g1.grantedTime > g2.gran...
java
private void sortGrantsByStartTime(List<ResourceGrant> grants) { Collections.sort(grants, new Comparator<ResourceGrant>() { @Override public int compare(ResourceGrant g1, ResourceGrant g2) { if (g1.grantedTime < g2.grantedTime) { return 1; } if (g1.grantedTime > g2.gran...
[ "private", "void", "sortGrantsByStartTime", "(", "List", "<", "ResourceGrant", ">", "grants", ")", "{", "Collections", ".", "sort", "(", "grants", ",", "new", "Comparator", "<", "ResourceGrant", ">", "(", ")", "{", "@", "Override", "public", "int", "compare"...
Sort grants on granted time in descending order @param grants the list of grants to sort
[ "Sort", "grants", "on", "granted", "time", "in", "descending", "order" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/Session.java#L1253-L1266
119,187
facebookarchive/hadoop-20
src/core/org/apache/hadoop/net/SocketIOWithTimeout.java
SocketIOWithTimeout.checkChannelValidity
static void checkChannelValidity(Object channel) throws IOException { if (channel == null) { /* Most common reason is that original socket does not have a channel. * So making this an IOException rather than a RuntimeException. */ throw new IOException("Channel is null. Check " + ...
java
static void checkChannelValidity(Object channel) throws IOException { if (channel == null) { /* Most common reason is that original socket does not have a channel. * So making this an IOException rather than a RuntimeException. */ throw new IOException("Channel is null. Check " + ...
[ "static", "void", "checkChannelValidity", "(", "Object", "channel", ")", "throws", "IOException", "{", "if", "(", "channel", "==", "null", ")", "{", "/* Most common reason is that original socket does not have a channel.\n * So making this an IOException rather than a Runtime...
Utility function to check if channel is ok. Mainly to throw IOException instead of runtime exception in case of mismatch. This mismatch can occur for many runtime reasons.
[ "Utility", "function", "to", "check", "if", "channel", "is", "ok", ".", "Mainly", "to", "throw", "IOException", "instead", "of", "runtime", "exception", "in", "case", "of", "mismatch", ".", "This", "mismatch", "can", "occur", "for", "many", "runtime", "reaso...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/net/SocketIOWithTimeout.java#L87-L99
119,188
facebookarchive/hadoop-20
src/core/org/apache/hadoop/net/SocketIOWithTimeout.java
SocketIOWithTimeout.doIO
int doIO(ByteBuffer buf, int ops) throws IOException { /* For now only one thread is allowed. If user want to read or write * from multiple threads, multiple streams could be created. In that * case multiple threads work as well as underlying channel supports it. */ if (!buf.hasRemaining()) ...
java
int doIO(ByteBuffer buf, int ops) throws IOException { /* For now only one thread is allowed. If user want to read or write * from multiple threads, multiple streams could be created. In that * case multiple threads work as well as underlying channel supports it. */ if (!buf.hasRemaining()) ...
[ "int", "doIO", "(", "ByteBuffer", "buf", ",", "int", "ops", ")", "throws", "IOException", "{", "/* For now only one thread is allowed. If user want to read or write\n * from multiple threads, multiple streams could be created. In that\n * case multiple threads work as well as underly...
Performs one IO and returns number of bytes read or written. It waits up to the specified timeout. If the channel is not read before the timeout, SocketTimeoutException is thrown. @param buf buffer for IO @param ops Selection Ops used for waiting. Suggested values: SelectionKey.OP_READ while reading and SelectionKey.O...
[ "Performs", "one", "IO", "and", "returns", "number", "of", "bytes", "read", "or", "written", ".", "It", "waits", "up", "to", "the", "specified", "timeout", ".", "If", "the", "channel", "is", "not", "read", "before", "the", "timeout", "SocketTimeoutException"...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/net/SocketIOWithTimeout.java#L125-L171
119,189
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java
JNStorage.findFinalizedEditsFile
File findFinalizedEditsFile(long startTxId, long endTxId) throws IOException { File ret = new File(sd.getCurrentDir(), NNStorage.getFinalizedEditsFileName(startTxId, endTxId)); if (!ret.exists()) { throw new IOException( "No edits file for range " + startTxId + "-" + endTxId); } ...
java
File findFinalizedEditsFile(long startTxId, long endTxId) throws IOException { File ret = new File(sd.getCurrentDir(), NNStorage.getFinalizedEditsFileName(startTxId, endTxId)); if (!ret.exists()) { throw new IOException( "No edits file for range " + startTxId + "-" + endTxId); } ...
[ "File", "findFinalizedEditsFile", "(", "long", "startTxId", ",", "long", "endTxId", ")", "throws", "IOException", "{", "File", "ret", "=", "new", "File", "(", "sd", ".", "getCurrentDir", "(", ")", ",", "NNStorage", ".", "getFinalizedEditsFileName", "(", "start...
Find an edits file spanning the given transaction ID range. If no such file exists, an exception is thrown.
[ "Find", "an", "edits", "file", "spanning", "the", "given", "transaction", "ID", "range", ".", "If", "no", "such", "file", "exists", "an", "exception", "is", "thrown", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java#L101-L109
119,190
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java
JNStorage.getSyncLogTemporaryFile
File getSyncLogTemporaryFile(long segmentTxId, long endTxId, long stamp) { String name = NNStorage.getFinalizedEditsFileName(segmentTxId, endTxId) + ".tmp=" + stamp; return new File(sd.getCurrentDir(), name); }
java
File getSyncLogTemporaryFile(long segmentTxId, long endTxId, long stamp) { String name = NNStorage.getFinalizedEditsFileName(segmentTxId, endTxId) + ".tmp=" + stamp; return new File(sd.getCurrentDir(), name); }
[ "File", "getSyncLogTemporaryFile", "(", "long", "segmentTxId", ",", "long", "endTxId", ",", "long", "stamp", ")", "{", "String", "name", "=", "NNStorage", ".", "getFinalizedEditsFileName", "(", "segmentTxId", ",", "endTxId", ")", "+", "\".tmp=\"", "+", "stamp", ...
Get name for temporary file used for log syncing, after a journal node crashed.
[ "Get", "name", "for", "temporary", "file", "used", "for", "log", "syncing", "after", "a", "journal", "node", "crashed", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java#L145-L149
119,191
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java
JNStorage.getSyncLogDestFile
File getSyncLogDestFile(long segmentTxId, long endTxId) { String name = NNStorage.getFinalizedEditsFileName(segmentTxId, endTxId); return new File(sd.getCurrentDir(), name); }
java
File getSyncLogDestFile(long segmentTxId, long endTxId) { String name = NNStorage.getFinalizedEditsFileName(segmentTxId, endTxId); return new File(sd.getCurrentDir(), name); }
[ "File", "getSyncLogDestFile", "(", "long", "segmentTxId", ",", "long", "endTxId", ")", "{", "String", "name", "=", "NNStorage", ".", "getFinalizedEditsFileName", "(", "segmentTxId", ",", "endTxId", ")", ";", "return", "new", "File", "(", "sd", ".", "getCurrent...
Get name for destination file used for log syncing, after a journal node crashed.
[ "Get", "name", "for", "destination", "file", "used", "for", "log", "syncing", "after", "a", "journal", "node", "crashed", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java#L155-L158
119,192
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java
JNStorage.purgeDataOlderThan
void purgeDataOlderThan(long minTxIdToKeep) throws IOException { if (isImageDir) { purgeMatching(sd.getCurrentDir(), IMAGE_CURRENT_DIR_PURGE_REGEXES, minTxIdToKeep); } else { purgeMatching(sd.getCurrentDir(), EDITS_CURRENT_DIR_PURGE_REGEXES, minTxIdToKeep); purgeMatching(ge...
java
void purgeDataOlderThan(long minTxIdToKeep) throws IOException { if (isImageDir) { purgeMatching(sd.getCurrentDir(), IMAGE_CURRENT_DIR_PURGE_REGEXES, minTxIdToKeep); } else { purgeMatching(sd.getCurrentDir(), EDITS_CURRENT_DIR_PURGE_REGEXES, minTxIdToKeep); purgeMatching(ge...
[ "void", "purgeDataOlderThan", "(", "long", "minTxIdToKeep", ")", "throws", "IOException", "{", "if", "(", "isImageDir", ")", "{", "purgeMatching", "(", "sd", ".", "getCurrentDir", "(", ")", ",", "IMAGE_CURRENT_DIR_PURGE_REGEXES", ",", "minTxIdToKeep", ")", ";", ...
Remove any log files and associated paxos files which are older than the given txid.
[ "Remove", "any", "log", "files", "and", "associated", "paxos", "files", "which", "are", "older", "than", "the", "given", "txid", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java#L182-L191
119,193
facebookarchive/hadoop-20
src/contrib/gridmix/src/java/org/apache/hadoop/mapred/gridmix/Gridmix.java
Gridmix.writeInputData
protected void writeInputData(long genbytes, Path ioPath) throws IOException, InterruptedException { final Configuration conf = getConf(); final GridmixJob genData = new GenerateData(conf, ioPath, genbytes); submitter.add(genData); LOG.info("Generating " + StringUtils.humanReadableInt(genbytes) + ...
java
protected void writeInputData(long genbytes, Path ioPath) throws IOException, InterruptedException { final Configuration conf = getConf(); final GridmixJob genData = new GenerateData(conf, ioPath, genbytes); submitter.add(genData); LOG.info("Generating " + StringUtils.humanReadableInt(genbytes) + ...
[ "protected", "void", "writeInputData", "(", "long", "genbytes", ",", "Path", "ioPath", ")", "throws", "IOException", ",", "InterruptedException", "{", "final", "Configuration", "conf", "=", "getConf", "(", ")", ";", "final", "GridmixJob", "genData", "=", "new", ...
Write random bytes at the path provided. @see org.apache.hadoop.mapred.gridmix.GenerateData
[ "Write", "random", "bytes", "at", "the", "path", "provided", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/gridmix/src/java/org/apache/hadoop/mapred/gridmix/Gridmix.java#L93-L111
119,194
facebookarchive/hadoop-20
src/contrib/gridmix/src/java/org/apache/hadoop/mapred/gridmix/Gridmix.java
Gridmix.startThreads
private void startThreads(Configuration conf, String traceIn, Path ioPath, Path scratchDir, CountDownLatch startFlag) throws IOException { monitor = createJobMonitor(); submitter = createJobSubmitter(monitor, conf.getInt(GRIDMIX_SUB_THR, Runtime.getRuntime().availableProcessors() + 1), ...
java
private void startThreads(Configuration conf, String traceIn, Path ioPath, Path scratchDir, CountDownLatch startFlag) throws IOException { monitor = createJobMonitor(); submitter = createJobSubmitter(monitor, conf.getInt(GRIDMIX_SUB_THR, Runtime.getRuntime().availableProcessors() + 1), ...
[ "private", "void", "startThreads", "(", "Configuration", "conf", ",", "String", "traceIn", ",", "Path", "ioPath", ",", "Path", "scratchDir", ",", "CountDownLatch", "startFlag", ")", "throws", "IOException", "{", "monitor", "=", "createJobMonitor", "(", ")", ";",...
Create each component in the pipeline and start it. @param conf Configuration data, no keys specific to this context @param traceIn Either a Path to the trace data or &quot;-&quot; for stdin @param ioPath Path from which input data is read @param scratchDir Path into which job output is written @param startFlag Semapho...
[ "Create", "each", "component", "in", "the", "pipeline", "and", "start", "it", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/gridmix/src/java/org/apache/hadoop/mapred/gridmix/Gridmix.java#L130-L142
119,195
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java
ClusterJspHelper.generateClusterHealthReport
ClusterStatus generateClusterHealthReport() { ClusterStatus cs = new ClusterStatus(); List<InetSocketAddress> isas = null; ArrayList<String> suffixes = null; if (isAvatar) { suffixes = new ArrayList<String>(); suffixes.add("0"); suffixes.add("1"); } try { cs.nnAddrs = isas = DF...
java
ClusterStatus generateClusterHealthReport() { ClusterStatus cs = new ClusterStatus(); List<InetSocketAddress> isas = null; ArrayList<String> suffixes = null; if (isAvatar) { suffixes = new ArrayList<String>(); suffixes.add("0"); suffixes.add("1"); } try { cs.nnAddrs = isas = DF...
[ "ClusterStatus", "generateClusterHealthReport", "(", ")", "{", "ClusterStatus", "cs", "=", "new", "ClusterStatus", "(", ")", ";", "List", "<", "InetSocketAddress", ">", "isas", "=", "null", ";", "ArrayList", "<", "String", ">", "suffixes", "=", "null", ";", ...
JSP helper function that generates cluster health report. When encountering exception while getting Namenode status, the exception will be listed in the page with corresponding stack trace.
[ "JSP", "helper", "function", "that", "generates", "cluster", "health", "report", ".", "When", "encountering", "exception", "while", "getting", "Namenode", "status", "the", "exception", "will", "be", "listed", "in", "the", "page", "with", "corresponding", "stack", ...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java#L214-L251
119,196
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java
ClusterJspHelper.generateDecommissioningReport
DecommissionStatus generateDecommissioningReport() { List<InetSocketAddress> isas = null; ArrayList<String> suffixes = null; if (isAvatar) { suffixes = new ArrayList<String>(); suffixes.add("0"); suffixes.add("1"); } try { isas = DFSUtil.getClientRpcAddresses(conf, suffixes); ...
java
DecommissionStatus generateDecommissioningReport() { List<InetSocketAddress> isas = null; ArrayList<String> suffixes = null; if (isAvatar) { suffixes = new ArrayList<String>(); suffixes.add("0"); suffixes.add("1"); } try { isas = DFSUtil.getClientRpcAddresses(conf, suffixes); ...
[ "DecommissionStatus", "generateDecommissioningReport", "(", ")", "{", "List", "<", "InetSocketAddress", ">", "isas", "=", "null", ";", "ArrayList", "<", "String", ">", "suffixes", "=", "null", ";", "if", "(", "isAvatar", ")", "{", "suffixes", "=", "new", "Ar...
Helper function that generates the decommissioning report.
[ "Helper", "function", "that", "generates", "the", "decommissioning", "report", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java#L267-L316
119,197
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java
ClusterJspHelper.updateUnknownStatus
private void updateUnknownStatus(Map<String, Map<String, String>> statusMap, List<String> unreportedNn) { if (unreportedNn == null || unreportedNn.isEmpty()) { // no unreported namenodes return; } for (Map.Entry<String, Map<String,String>> entry : statusMap.entrySet()) { String ...
java
private void updateUnknownStatus(Map<String, Map<String, String>> statusMap, List<String> unreportedNn) { if (unreportedNn == null || unreportedNn.isEmpty()) { // no unreported namenodes return; } for (Map.Entry<String, Map<String,String>> entry : statusMap.entrySet()) { String ...
[ "private", "void", "updateUnknownStatus", "(", "Map", "<", "String", ",", "Map", "<", "String", ",", "String", ">", ">", "statusMap", ",", "List", "<", "String", ">", "unreportedNn", ")", "{", "if", "(", "unreportedNn", "==", "null", "||", "unreportedNn", ...
update unknown status in datanode status map for every unreported namenode
[ "update", "unknown", "status", "in", "datanode", "status", "map", "for", "every", "unreported", "namenode" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java#L402-L417
119,198
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java
ClusterJspHelper.getDatanodeHttpPort
private int getDatanodeHttpPort(Configuration conf) { String address = conf.get("dfs.datanode.http.address", ""); if (address.equals("")) { return -1; } return Integer.parseInt(address.split(":")[1]); }
java
private int getDatanodeHttpPort(Configuration conf) { String address = conf.get("dfs.datanode.http.address", ""); if (address.equals("")) { return -1; } return Integer.parseInt(address.split(":")[1]); }
[ "private", "int", "getDatanodeHttpPort", "(", "Configuration", "conf", ")", "{", "String", "address", "=", "conf", ".", "get", "(", "\"dfs.datanode.http.address\"", ",", "\"\"", ")", ";", "if", "(", "address", ".", "equals", "(", "\"\"", ")", ")", "{", "re...
Get datanode http port from configration
[ "Get", "datanode", "http", "port", "from", "configration" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java#L422-L428
119,199
facebookarchive/hadoop-20
src/contrib/vaidya/src/java/org/apache/hadoop/vaidya/postexdiagnosis/PostExPerformanceDiagnoser.java
PostExPerformanceDiagnoser.readJobInformation
private void readJobInformation(JobConf jobConf, JobInfo jobInfo) throws Exception { /* * Convert the input strings to URL */ URL jobConfFileUrl = new URL(this._jobConfFile); URL jobHistoryFileUrl = new URL (this._jobHistoryFile); /* * Read the Job Configuration from the jobConfFi...
java
private void readJobInformation(JobConf jobConf, JobInfo jobInfo) throws Exception { /* * Convert the input strings to URL */ URL jobConfFileUrl = new URL(this._jobConfFile); URL jobHistoryFileUrl = new URL (this._jobHistoryFile); /* * Read the Job Configuration from the jobConfFi...
[ "private", "void", "readJobInformation", "(", "JobConf", "jobConf", ",", "JobInfo", "jobInfo", ")", "throws", "Exception", "{", "/*\n * Convert the input strings to URL\n */", "URL", "jobConfFileUrl", "=", "new", "URL", "(", "this", ".", "_jobConfFile", ")", "...
read and populate job statistics information.
[ "read", "and", "populate", "job", "statistics", "information", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/vaidya/src/java/org/apache/hadoop/vaidya/postexdiagnosis/PostExPerformanceDiagnoser.java#L119-L142