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117,900
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/mapred/CoronaJobInProgress.java
CoronaJobInProgress.removeMatchingTipUnprotectedUnconditional
private TaskInProgress removeMatchingTipUnprotectedUnconditional( List<TaskInProgress> taskList, TaskInProgress intendedTip) { for (Iterator<TaskInProgress> iter = taskList.iterator(); iter.hasNext();) { TaskInProgress t = iter.next(); if (t.getTIPId().equals(intendedTip.getTIPId())) { ite...
java
private TaskInProgress removeMatchingTipUnprotectedUnconditional( List<TaskInProgress> taskList, TaskInProgress intendedTip) { for (Iterator<TaskInProgress> iter = taskList.iterator(); iter.hasNext();) { TaskInProgress t = iter.next(); if (t.getTIPId().equals(intendedTip.getTIPId())) { ite...
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Removes matching TIP without checking any conditions @param taskList list of tasks to remove from @param intendedTip tip to remove @return removed tip
[ "Removes", "matching", "TIP", "without", "checking", "any", "conditions" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/mapred/CoronaJobInProgress.java#L929-L939
117,901
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/mapred/CoronaJobInProgress.java
CoronaJobInProgress.forceNewReduceTaskForTip
public Task forceNewReduceTaskForTip(String taskTrackerName, String hostName, TaskInProgress forcedTip) { synchronized (lockObject) { Task result = obtainTaskCleanupTask(taskTrackerName, forcedTip); if (result != null) { return result; } removeMatchingTipUnprotectedUncondition...
java
public Task forceNewReduceTaskForTip(String taskTrackerName, String hostName, TaskInProgress forcedTip) { synchronized (lockObject) { Task result = obtainTaskCleanupTask(taskTrackerName, forcedTip); if (result != null) { return result; } removeMatchingTipUnprotectedUncondition...
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Registers new task attempt for given task @param taskTrackerName name of destination tracker @param hostName hostname of tracker @param forcedTip task in progress to run @return task to run
[ "Registers", "new", "task", "attempt", "for", "given", "task" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/mapred/CoronaJobInProgress.java#L1035-L1056
117,902
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/mapred/CoronaJobInProgress.java
CoronaJobInProgress.canTrackerBeUsed
public boolean canTrackerBeUsed( String taskTracker, String trackerHost, TaskInProgress tip) { synchronized (lockObject) { return !tip.hasFailedOnMachine(trackerHost); } }
java
public boolean canTrackerBeUsed( String taskTracker, String trackerHost, TaskInProgress tip) { synchronized (lockObject) { return !tip.hasFailedOnMachine(trackerHost); } }
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Can a tracker be used for a TIP?
[ "Can", "a", "tracker", "be", "used", "for", "a", "TIP?" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/mapred/CoronaJobInProgress.java#L1079-L1084
117,903
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/mapred/CoronaJobInProgress.java
CoronaJobInProgress.setJobCleanupTaskState
private void setJobCleanupTaskState(Task task) { if (task.isJobCleanupTask()) { if (jobFailed) { task.setJobCleanupTaskState( org.apache.hadoop.mapreduce.JobStatus.State.FAILED); } else if (jobKilled) { task.setJobCleanupTaskState( org.apache.hadoop.mapreduce.JobS...
java
private void setJobCleanupTaskState(Task task) { if (task.isJobCleanupTask()) { if (jobFailed) { task.setJobCleanupTaskState( org.apache.hadoop.mapreduce.JobStatus.State.FAILED); } else if (jobKilled) { task.setJobCleanupTaskState( org.apache.hadoop.mapreduce.JobS...
[ "private", "void", "setJobCleanupTaskState", "(", "Task", "task", ")", "{", "if", "(", "task", ".", "isJobCleanupTask", "(", ")", ")", "{", "if", "(", "jobFailed", ")", "{", "task", ".", "setJobCleanupTaskState", "(", "org", ".", "apache", ".", "hadoop", ...
Sets task state according to job state if given task is cleanup one @param task task to handle
[ "Sets", "task", "state", "according", "to", "job", "state", "if", "given", "task", "is", "cleanup", "one" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/mapred/CoronaJobInProgress.java#L1129-L1142
117,904
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/protocol/JournalConfigHelper.java
JournalConfigHelper.getJournalHttpHosts
public static String[] getJournalHttpHosts(Configuration conf) { Collection<String> hosts = conf.getStringCollection(JournalConfigKeys.DFS_JOURNALNODE_HOSTS); int defaultHttpPort = JournalConfigKeys.DFS_JOURNALNODE_HTTP_PORT_DEFAULT; String[] httpAddresses = new String[hosts.size()]; int i = 0; ...
java
public static String[] getJournalHttpHosts(Configuration conf) { Collection<String> hosts = conf.getStringCollection(JournalConfigKeys.DFS_JOURNALNODE_HOSTS); int defaultHttpPort = JournalConfigKeys.DFS_JOURNALNODE_HTTP_PORT_DEFAULT; String[] httpAddresses = new String[hosts.size()]; int i = 0; ...
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Parse the DFS_JOURNALNODE_HOSTS to get the list of Journal Node Hosts This is used in JournalNode and QuorumJournalManager to talk to the Http servers of other JournalNodes. On the server side, the ports of the hosts are specified in the DFS_JOURNALNODE_HTTP_ADDRESS_KEY, so the ports in DFS_JOURNALNODE_HOSTS should b...
[ "Parse", "the", "DFS_JOURNALNODE_HOSTS", "to", "get", "the", "list", "of", "Journal", "Node", "Hosts" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/protocol/JournalConfigHelper.java#L38-L53
117,905
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/protocol/JournalConfigHelper.java
JournalConfigHelper.getAddress
public static InetSocketAddress getAddress(Configuration conf) { String addr = conf.get(JournalConfigKeys.DFS_JOURNALNODE_HTTP_ADDRESS_KEY, JournalConfigKeys.DFS_JOURNALNODE_HTTP_ADDRESS_DEFAULT); return NetUtils.createSocketAddr(addr, JournalConfigKeys.DFS_JOURNALNODE_HTTP_PORT_DEFAULT); }
java
public static InetSocketAddress getAddress(Configuration conf) { String addr = conf.get(JournalConfigKeys.DFS_JOURNALNODE_HTTP_ADDRESS_KEY, JournalConfigKeys.DFS_JOURNALNODE_HTTP_ADDRESS_DEFAULT); return NetUtils.createSocketAddr(addr, JournalConfigKeys.DFS_JOURNALNODE_HTTP_PORT_DEFAULT); }
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Get the address bound by the JournalNode to start the web server. This returns the server side address, should be consistent with the getJournalHttpHosts.
[ "Get", "the", "address", "bound", "by", "the", "JournalNode", "to", "start", "the", "web", "server", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/protocol/JournalConfigHelper.java#L60-L65
117,906
facebookarchive/hadoop-20
src/tools/org/apache/hadoop/tools/rumen/Node.java
Node.addChild
public synchronized boolean addChild(Node child) { if (child.parent != null) { throw new IllegalArgumentException( "The child is already under another node:" + child.parent); } checkChildren(); boolean retval = children.add(child); if (retval) child.parent = this; return retval; ...
java
public synchronized boolean addChild(Node child) { if (child.parent != null) { throw new IllegalArgumentException( "The child is already under another node:" + child.parent); } checkChildren(); boolean retval = children.add(child); if (retval) child.parent = this; return retval; ...
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Add a child node to this node. @param child The child node to be added. The child node should currently not be belong to another cluster topology. @return Boolean indicating whether the node is successfully added.
[ "Add", "a", "child", "node", "to", "this", "node", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/tools/org/apache/hadoop/tools/rumen/Node.java#L84-L93
117,907
facebookarchive/hadoop-20
src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java
HourGlass.updateShares
static private void updateShares(Cluster clusters[]) { assert(clusters.length == 2); if (clusters[0].runnableMaps == 0 && clusters[0].runnableMaps == 0 && clusters[1].runnableReduces == 0 && clusters[1].runnableReduces == 0) { // Do nothing if both clusters are empty return; ...
java
static private void updateShares(Cluster clusters[]) { assert(clusters.length == 2); if (clusters[0].runnableMaps == 0 && clusters[0].runnableMaps == 0 && clusters[1].runnableReduces == 0 && clusters[1].runnableReduces == 0) { // Do nothing if both clusters are empty return; ...
[ "static", "private", "void", "updateShares", "(", "Cluster", "clusters", "[", "]", ")", "{", "assert", "(", "clusters", ".", "length", "==", "2", ")", ";", "if", "(", "clusters", "[", "0", "]", ".", "runnableMaps", "==", "0", "&&", "clusters", "[", "...
Update the task share of the clusters @param clusters Two clusters with tasktrackers shares same nodes
[ "Update", "the", "task", "share", "of", "the", "clusters" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java#L195-L231
117,908
facebookarchive/hadoop-20
src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java
HourGlass.run
@Override public void run() { long lastUpdate = -1L; // Start balancing the clusters while (running) { try { Thread.sleep(updateInterval / 10); long now = JobTracker.getClock().getTime(); if (now - lastUpdate > updateInterval) { lastUpdate = now; doMoveSlo...
java
@Override public void run() { long lastUpdate = -1L; // Start balancing the clusters while (running) { try { Thread.sleep(updateInterval / 10); long now = JobTracker.getClock().getTime(); if (now - lastUpdate > updateInterval) { lastUpdate = now; doMoveSlo...
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Keep moving slots between two clusters according to their runnable tasks. These clusters are assumed to run tasktrackers on the same set of machines
[ "Keep", "moving", "slots", "between", "two", "clusters", "according", "to", "their", "runnable", "tasks", ".", "These", "clusters", "are", "assumed", "to", "run", "tasktrackers", "on", "the", "same", "set", "of", "machines" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java#L237-L253
117,909
facebookarchive/hadoop-20
src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java
HourGlass.getTotalSlots
private int getTotalSlots( TaskTrackerStatus status, TaskType type) { Map<Integer, Integer> defaultCpuToMaxSlots = (type == TaskType.MAP) ? defaultCpuToMaxMapSlots : defaultCpuToMaxReduceSlots; int cpus = status.getResourceStatus().getNumProcessors(); Integer slots = defaultCpuToMaxSlots.get(c...
java
private int getTotalSlots( TaskTrackerStatus status, TaskType type) { Map<Integer, Integer> defaultCpuToMaxSlots = (type == TaskType.MAP) ? defaultCpuToMaxMapSlots : defaultCpuToMaxReduceSlots; int cpus = status.getResourceStatus().getNumProcessors(); Integer slots = defaultCpuToMaxSlots.get(c...
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Obtain the two clusters combined total slots of a tasktracker
[ "Obtain", "the", "two", "clusters", "combined", "total", "slots", "of", "a", "tasktracker" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java#L370-L383
117,910
facebookarchive/hadoop-20
src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java
HourGlass.createClient
private static FairSchedulerProtocol createClient( String target, Configuration conf) throws IOException { InetSocketAddress addr = NetUtils.createSocketAddr(target); UserGroupInformation ugi = UserGroupInformation.getCurrentUGI(); LOG.info("Connecting to " + addr); return (FairSchedulerProtocol) ...
java
private static FairSchedulerProtocol createClient( String target, Configuration conf) throws IOException { InetSocketAddress addr = NetUtils.createSocketAddr(target); UserGroupInformation ugi = UserGroupInformation.getCurrentUGI(); LOG.info("Connecting to " + addr); return (FairSchedulerProtocol) ...
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Create a FariScheduler RPC client @param target The host:port of the RPC server @param conf The configuration @return The FairScheduler client @throws IOException
[ "Create", "a", "FariScheduler", "RPC", "client" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java#L392-L400
117,911
facebookarchive/hadoop-20
src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java
HourGlass.main
public static void main(String argv[]) { StringUtils.startupShutdownMessage(HourGlass.class, argv, LOG); try { HourGlass hourGlass = new HourGlass(new Configuration()); hourGlass.run(); } catch (Throwable e) { LOG.fatal(StringUtils.stringifyException(e)); System.exit(-1); } }
java
public static void main(String argv[]) { StringUtils.startupShutdownMessage(HourGlass.class, argv, LOG); try { HourGlass hourGlass = new HourGlass(new Configuration()); hourGlass.run(); } catch (Throwable e) { LOG.fatal(StringUtils.stringifyException(e)); System.exit(-1); } }
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Start the HourGlass process
[ "Start", "the", "HourGlass", "process" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/fairscheduler/src/java/org/apache/hadoop/mapred/HourGlass.java#L405-L414
117,912
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/ConfigManager.java
ConfigManager.reloadConfigsIfNecessary
public synchronized boolean reloadConfigsIfNecessary() { long time = RaidNode.now(); if (time > lastReloadAttempt + reloadInterval) { lastReloadAttempt = time; try { File file = new File(configFileName); long lastModified = file.lastModified(); if (lastModified > lastSuccessf...
java
public synchronized boolean reloadConfigsIfNecessary() { long time = RaidNode.now(); if (time > lastReloadAttempt + reloadInterval) { lastReloadAttempt = time; try { File file = new File(configFileName); long lastModified = file.lastModified(); if (lastModified > lastSuccessf...
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Reload config file if it hasn't been loaded in a while Returns true if the file was reloaded.
[ "Reload", "config", "file", "if", "it", "hasn", "t", "been", "loaded", "in", "a", "while", "Returns", "true", "if", "the", "file", "was", "reloaded", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/ConfigManager.java#L138-L161
117,913
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/ConfigManager.java
ConfigManager.stopReload
void stopReload() throws InterruptedException { if (reloadThread != null) { running = false; reloadThread.interrupt(); reloadThread.join(); reloadThread = null; } }
java
void stopReload() throws InterruptedException { if (reloadThread != null) { running = false; reloadThread.interrupt(); reloadThread.join(); reloadThread = null; } }
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Stop the background thread that reload the config file
[ "Stop", "the", "background", "thread", "that", "reload", "the", "config", "file" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/ConfigManager.java#L444-L451
117,914
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/ConfigManager.java
ConfigManager.getPolicy
PolicyInfo getPolicy(String policyName) { for (PolicyInfo policy : allPolicies) { if (policyName.equals(policy.getName())) { return policy; } } return null; }
java
PolicyInfo getPolicy(String policyName) { for (PolicyInfo policy : allPolicies) { if (policyName.equals(policy.getName())) { return policy; } } return null; }
[ "PolicyInfo", "getPolicy", "(", "String", "policyName", ")", "{", "for", "(", "PolicyInfo", "policy", ":", "allPolicies", ")", "{", "if", "(", "policyName", ".", "equals", "(", "policy", ".", "getName", "(", ")", ")", ")", "{", "return", "policy", ";", ...
Find the PolicyInfo corresponding to a given policy name @param policyName the name of a policy @return PolicyInfo if there is a matched policy; null otherwise
[ "Find", "the", "PolicyInfo", "corresponding", "to", "a", "given", "policy", "name" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/ConfigManager.java#L480-L487
117,915
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.stop
public void stop() { if (stopRequested) { return; } stopRequested = true; running = false; if (server != null) server.stop(); if (triggerThread != null) { triggerThread.interrupt(); triggerMonitor = null; } if (urfThread != null) { urfThread.interrupt(); urf...
java
public void stop() { if (stopRequested) { return; } stopRequested = true; running = false; if (server != null) server.stop(); if (triggerThread != null) { triggerThread.interrupt(); triggerMonitor = null; } if (urfThread != null) { urfThread.interrupt(); urf...
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Stop all RaidNode threads and wait for all to finish.
[ "Stop", "all", "RaidNode", "threads", "and", "wait", "for", "all", "to", "finish", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L349-L381
117,916
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.getCorruptFilesCounterMap
public Map<String, Map<CorruptFileStatus, Long>> getCorruptFilesCounterMap() { return ((CorruptionWorker)blockIntegrityMonitor.getCorruptionMonitor()). getCorruptFilesCounterMap(); }
java
public Map<String, Map<CorruptFileStatus, Long>> getCorruptFilesCounterMap() { return ((CorruptionWorker)blockIntegrityMonitor.getCorruptionMonitor()). getCorruptFilesCounterMap(); }
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the value is counters of different types of corrupt files
[ "the", "value", "is", "counters", "of", "different", "types", "of", "corrupt", "files" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L644-L647
117,917
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.determinePolicy
public PolicyInfo determinePolicy(Codec codec) { for (PolicyInfo info : configMgr.getAllPolicies()) { if (!info.getShouldRaid()) { continue; } if (info.getCodecId().equals(codec.id)) { return info; } } return null; }
java
public PolicyInfo determinePolicy(Codec codec) { for (PolicyInfo info : configMgr.getAllPolicies()) { if (!info.getShouldRaid()) { continue; } if (info.getCodecId().equals(codec.id)) { return info; } } return null; }
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Determine a PolicyInfo from the codec, to re-generate the parity files of modified source files. @param codec @return
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L686-L698
117,918
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.doRaid
public static boolean doRaid(Configuration conf, FileStatus stat, Path destPath, Codec codec, Statistics statistics, Progressable reporter, boolean doSimulate, int targetRepl, int metaRepl) throws IOException { boolean succeed = false; for (EncodingCandidate ec : RaidNode.splitPaths(conf, ...
java
public static boolean doRaid(Configuration conf, FileStatus stat, Path destPath, Codec codec, Statistics statistics, Progressable reporter, boolean doSimulate, int targetRepl, int metaRepl) throws IOException { boolean succeed = false; for (EncodingCandidate ec : RaidNode.splitPaths(conf, ...
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only used by test
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L1455-L1465
117,919
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.raidedByOtherHighPriCodec
public static boolean raidedByOtherHighPriCodec(Configuration conf, FileStatus stat, Codec codec) throws IOException { for (Codec tcodec : Codec.getCodecs()) { if (tcodec.priority > codec.priority) { if (stat.isDir() && !tcodec.isDirRaid) { // A directory could not be raided by ...
java
public static boolean raidedByOtherHighPriCodec(Configuration conf, FileStatus stat, Codec codec) throws IOException { for (Codec tcodec : Codec.getCodecs()) { if (tcodec.priority > codec.priority) { if (stat.isDir() && !tcodec.isDirRaid) { // A directory could not be raided by ...
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check if the file is already raided by high priority codec
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L1508-L1527
117,920
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.doDirRaid
private static LOGRESULTS doDirRaid(Configuration conf, EncodingCandidate ec, Path destPath, Codec codec, Statistics statistics, Progressable reporter, boolean doSimulate, int targetRepl, int metaRepl) throws IOException { FileStatus stat = ec.srcStat; Path p = stat.getPath(); FileSystem...
java
private static LOGRESULTS doDirRaid(Configuration conf, EncodingCandidate ec, Path destPath, Codec codec, Statistics statistics, Progressable reporter, boolean doSimulate, int targetRepl, int metaRepl) throws IOException { FileStatus stat = ec.srcStat; Path p = stat.getPath(); FileSystem...
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RAID an individual directory @throws InterruptedException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L1604-L1678
117,921
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.doFileRaid
private static LOGRESULTS doFileRaid(Configuration conf, EncodingCandidate ec, Path destPath, Codec codec, Statistics statistics, Progressable reporter, boolean doSimulate, int targetRepl, int metaRepl) throws IOException, InterruptedException { FileStatus stat = ec.srcStat; Path p = stat.ge...
java
private static LOGRESULTS doFileRaid(Configuration conf, EncodingCandidate ec, Path destPath, Codec codec, Statistics statistics, Progressable reporter, boolean doSimulate, int targetRepl, int metaRepl) throws IOException, InterruptedException { FileStatus stat = ec.srcStat; Path p = stat.ge...
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RAID an individual file @throws InterruptedException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L1684-L1740
117,922
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.createRaidNode
public static RaidNode createRaidNode(Configuration conf) throws ClassNotFoundException { try { // default to distributed raid node Class<?> raidNodeClass = conf.getClass(RAIDNODE_CLASSNAME_KEY, DistRaidNode.class); if (!RaidNode.class.isAssignableFrom(raidNodeClass)) { thr...
java
public static RaidNode createRaidNode(Configuration conf) throws ClassNotFoundException { try { // default to distributed raid node Class<?> raidNodeClass = conf.getClass(RAIDNODE_CLASSNAME_KEY, DistRaidNode.class); if (!RaidNode.class.isAssignableFrom(raidNodeClass)) { thr...
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Create an instance of the appropriate subclass of RaidNode
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L2108-L2129
117,923
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.createRaidNode
public static RaidNode createRaidNode(String argv[], Configuration conf) throws IOException, ClassNotFoundException { if (conf == null) { conf = new Configuration(); } StartupOption startOpt = parseArguments(argv); if (startOpt == null) { printUsage(); return null; } setS...
java
public static RaidNode createRaidNode(String argv[], Configuration conf) throws IOException, ClassNotFoundException { if (conf == null) { conf = new Configuration(); } StartupOption startOpt = parseArguments(argv); if (startOpt == null) { printUsage(); return null; } setS...
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Create an instance of the RaidNode
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L2170-L2183
117,924
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java
RaidNode.getJobID
public static String getJobID(Configuration conf) { String jobId = conf.get("mapred.job.id", null); if (jobId == null) { jobId = "localRaid" + df.format(new Date()); conf.set("mapred.job.id", jobId); } return jobId; }
java
public static String getJobID(Configuration conf) { String jobId = conf.get("mapred.job.id", null); if (jobId == null) { jobId = "localRaid" + df.format(new Date()); conf.set("mapred.job.id", jobId); } return jobId; }
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Get the job id from the configuration
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidNode.java#L2188-L2195
117,925
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/tools/AvatarDFSck.java
AvatarDFSck.adjustConf
public static String[] adjustConf(String[] argv, Configuration conf) { String[] serviceId = new String[] { "" }; String[] filteredArgv = DFSUtil.getServiceName(argv, serviceId); if (!serviceId[0].equals("")) { NameNode.checkServiceName(conf, serviceId[0]); DFSUtil.setGenericConf(conf, serviceId[...
java
public static String[] adjustConf(String[] argv, Configuration conf) { String[] serviceId = new String[] { "" }; String[] filteredArgv = DFSUtil.getServiceName(argv, serviceId); if (!serviceId[0].equals("")) { NameNode.checkServiceName(conf, serviceId[0]); DFSUtil.setGenericConf(conf, serviceId[...
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Adjust configuration for nameservice keys.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/tools/AvatarDFSck.java#L52-L62
117,926
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java
BlockPlacementPolicyRaid.countCompanionBlocks
@SuppressWarnings("unchecked") static Map<String, Integer>[] countCompanionBlocks( Collection<LocatedBlock> companionBlocks) { Map<String, Integer>[] result = new HashMap[2]; result[0] = new HashMap<String, Integer>(); result[1] = new HashMap<String, Integer>(); for (LocatedBlock block : co...
java
@SuppressWarnings("unchecked") static Map<String, Integer>[] countCompanionBlocks( Collection<LocatedBlock> companionBlocks) { Map<String, Integer>[] result = new HashMap[2]; result[0] = new HashMap<String, Integer>(); result[1] = new HashMap<String, Integer>(); for (LocatedBlock block : co...
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Count how many companion blocks are on each datanode or the each rack @param companionBlocks a collection of all the companion blocks @param result the map from node name to the number of companion blocks [0] for datanodes [1] for racks
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java#L236-L257
117,927
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java
BlockPlacementPolicyRaid.getCompanionBlocks
List<LocatedBlock> getCompanionBlocks(String path, FileInfo info, Block block, FSInodeInfo inode) throws IOException { Codec codec = info.codec; switch (info.type) { case NOT_RAID: return Collections.emptyList(); case HAR_TEMP_PARITY: return getCompanionBlocksForHarParityBlock(...
java
List<LocatedBlock> getCompanionBlocks(String path, FileInfo info, Block block, FSInodeInfo inode) throws IOException { Codec codec = info.codec; switch (info.type) { case NOT_RAID: return Collections.emptyList(); case HAR_TEMP_PARITY: return getCompanionBlocksForHarParityBlock(...
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Obtain the companion blocks of the give block Companion blocks are defined as the blocks that can help recover each others by using raid decoder. @param path The path of the file contains the block @param info The info of this file @param block The given block null if it is the block which is currently being written to...
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java#L316-L345
117,928
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java
BlockPlacementPolicyRaid.getSourceFile
NameWithINode getSourceFile(String parity, String prefix) throws IOException { if (isHarFile(parity)) { return null; } // remove the prefix String src = parity.substring(prefix.length()); byte[][] components = INodeDirectory.getPathComponents(src); INode inode = namesystem.dir.getINode(com...
java
NameWithINode getSourceFile(String parity, String prefix) throws IOException { if (isHarFile(parity)) { return null; } // remove the prefix String src = parity.substring(prefix.length()); byte[][] components = INodeDirectory.getPathComponents(src); INode inode = namesystem.dir.getINode(com...
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Get path for the corresponding source file for a valid parity file. Returns null if it does not exists @param parity the toUri path of the parity file @return the toUri path of the source file
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java#L774-L783
117,929
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java
BlockPlacementPolicyRaid.getParityFile
private NameWithINode getParityFile(Codec codec, String src) throws IOException { String parity; if (codec.isDirRaid) { String parent = getParentPath(src); parity = codec.parityDirectory + parent; } else { parity = codec.parityDirectory + src; } byte[][] components = IN...
java
private NameWithINode getParityFile(Codec codec, String src) throws IOException { String parity; if (codec.isDirRaid) { String parent = getParentPath(src); parity = codec.parityDirectory + parent; } else { parity = codec.parityDirectory + src; } byte[][] components = IN...
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Get path for the parity file. Returns null if it does not exists @param codec the codec of the parity file. @return the toUri path of the parity file
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java#L800-L814
117,930
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java
BlockPlacementPolicyRaid.getFileInfo
protected FileInfo getFileInfo(FSInodeInfo srcINode, String path) throws IOException { for (Codec c : Codec.getCodecs()) { if (path.startsWith(c.tmpHarDirectoryPS)) { return new FileInfo(FileType.HAR_TEMP_PARITY, c); } if (path.startsWith(c.tmpParityDirectoryPS)) { return new FileI...
java
protected FileInfo getFileInfo(FSInodeInfo srcINode, String path) throws IOException { for (Codec c : Codec.getCodecs()) { if (path.startsWith(c.tmpHarDirectoryPS)) { return new FileInfo(FileType.HAR_TEMP_PARITY, c); } if (path.startsWith(c.tmpParityDirectoryPS)) { return new FileI...
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Return raid information about a file, for example if this file is the source file, parity file, or not raid @param path file name @return raid information @throws IOException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/hdfs/server/namenode/BlockPlacementPolicyRaid.java#L870-L894
117,931
facebookarchive/hadoop-20
src/core/org/apache/hadoop/metrics/spi/CompositeContext.java
CompositeContext.isMonitoring
@Override public boolean isMonitoring() { boolean ret = true; for (MetricsContext ctxt : subctxt) { ret &= ctxt.isMonitoring(); } return ret; }
java
@Override public boolean isMonitoring() { boolean ret = true; for (MetricsContext ctxt : subctxt) { ret &= ctxt.isMonitoring(); } return ret; }
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Return true if all subcontexts are monitoring.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/metrics/spi/CompositeContext.java#L123-L130
117,932
facebookarchive/hadoop-20
src/core/org/apache/hadoop/io/BufferedByteInputOutput.java
BufferedByteInputOutput.read
public int read() throws IOException { while (true) { lockR.lock(); try { if (availableCount.get() > 0) { // as long as there is available data // serve it even if closed int b = bytes[readCursor] & 0xFF; incReadCursor(1); availableCount.decremen...
java
public int read() throws IOException { while (true) { lockR.lock(); try { if (availableCount.get() > 0) { // as long as there is available data // serve it even if closed int b = bytes[readCursor] & 0xFF; incReadCursor(1); availableCount.decremen...
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Read a single byte. Blocks until data is available, or fail if buffer is closed.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/BufferedByteInputOutput.java#L100-L122
117,933
facebookarchive/hadoop-20
src/core/org/apache/hadoop/io/BufferedByteInputOutput.java
BufferedByteInputOutput.read
public int read(byte[] buf, int off, int len) throws IOException { while (true) { lockR.lock(); try { int available = availableCount.get(); if (available > 0) { // as long as there is available data // serve it even if closed final int lenToRead = Math.min(a...
java
public int read(byte[] buf, int off, int len) throws IOException { while (true) { lockR.lock(); try { int available = availableCount.get(); if (available > 0) { // as long as there is available data // serve it even if closed final int lenToRead = Math.min(a...
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Read data to the buffer, starting at offset off. Will block until data available, or the input has been closed.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/BufferedByteInputOutput.java#L128-L167
117,934
facebookarchive/hadoop-20
src/core/org/apache/hadoop/io/BufferedByteInputOutput.java
BufferedByteInputOutput.write
public void write(byte[] buf, int off, int len) throws IOException { while (true) { lockW.lock(); try { // fail if closed checkClosed(); final int lenToWrite = Math.min(len, length - availableCount.get()); final int lenForward = Math.min(lenToWrite, length - writ...
java
public void write(byte[] buf, int off, int len) throws IOException { while (true) { lockW.lock(); try { // fail if closed checkClosed(); final int lenToWrite = Math.min(len, length - availableCount.get()); final int lenForward = Math.min(lenToWrite, length - writ...
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Write buf to the buffer, will block until it can write len bytes. Will fail if buffer is closed.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/BufferedByteInputOutput.java#L173-L210
117,935
facebookarchive/hadoop-20
src/core/org/apache/hadoop/io/BufferedByteInputOutput.java
BufferedByteInputOutput.write
public void write(int b) throws IOException { while (true) { lockW.lock(); try { // fail if closed checkClosed(); if (length - availableCount.get() > 0) { bytes[writeCursor] = (byte) b; incWriteCursor(1); availableCount.incrementAndGet(); ...
java
public void write(int b) throws IOException { while (true) { lockW.lock(); try { // fail if closed checkClosed(); if (length - availableCount.get() > 0) { bytes[writeCursor] = (byte) b; incWriteCursor(1); availableCount.incrementAndGet(); ...
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Write a single byte to the buffer. Will block until the byte can be written or fail when buffer is closed.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/io/BufferedByteInputOutput.java#L216-L235
117,936
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java
DistRaid.createJobConf
private static JobConf createJobConf(Configuration conf) { JobConf jobconf = new JobConf(conf, DistRaid.class); jobName = NAME + " " + dateForm.format(new Date(RaidNode.now())); jobconf.setUser(RaidNode.JOBUSER); jobconf.setJobName(jobName); jobconf.setMapSpeculativeExecution(false); RaidUtils.p...
java
private static JobConf createJobConf(Configuration conf) { JobConf jobconf = new JobConf(conf, DistRaid.class); jobName = NAME + " " + dateForm.format(new Date(RaidNode.now())); jobconf.setUser(RaidNode.JOBUSER); jobconf.setJobName(jobName); jobconf.setMapSpeculativeExecution(false); RaidUtils.p...
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create new job conf based on configuration passed. @param conf @return
[ "create", "new", "job", "conf", "based", "on", "configuration", "passed", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java#L376-L392
117,937
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java
DistRaid.addRaidPaths
public void addRaidPaths(PolicyInfo info, List<EncodingCandidate> paths) { raidPolicyPathPairList.add(new RaidPolicyPathPair(info, paths)); }
java
public void addRaidPaths(PolicyInfo info, List<EncodingCandidate> paths) { raidPolicyPathPairList.add(new RaidPolicyPathPair(info, paths)); }
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Add paths to be raided
[ "Add", "paths", "to", "be", "raided" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java#L395-L397
117,938
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java
DistRaid.startDistRaid
public boolean startDistRaid() throws IOException { assert(raidPolicyPathPairList.size() > 0); if (setup()) { this.jobClient = new JobClient(jobconf); this.runningJob = this.jobClient.submitJob(jobconf); LOG.info("Job Started: " + runningJob.getID()); this.startTime = System.currentTimeM...
java
public boolean startDistRaid() throws IOException { assert(raidPolicyPathPairList.size() > 0); if (setup()) { this.jobClient = new JobClient(jobconf); this.runningJob = this.jobClient.submitJob(jobconf); LOG.info("Job Started: " + runningJob.getID()); this.startTime = System.currentTimeM...
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Invokes a map-reduce job do parallel raiding. @return true if the job was started, false otherwise
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java#L408-L418
117,939
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java
DistRaid.checkComplete
public boolean checkComplete() throws IOException { JobID jobID = runningJob.getID(); if (runningJob.isComplete()) { // delete job directory final String jobdir = jobconf.get(JOB_DIR_LABEL); if (jobdir != null) { final Path jobpath = new Path(jobdir); jobpath.getFileSyst...
java
public boolean checkComplete() throws IOException { JobID jobID = runningJob.getID(); if (runningJob.isComplete()) { // delete job directory final String jobdir = jobconf.get(JOB_DIR_LABEL); if (jobdir != null) { final Path jobpath = new Path(jobdir); jobpath.getFileSyst...
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Checks if the map-reduce job has completed. @return true if the job completed, false otherwise. @throws IOException
[ "Checks", "if", "the", "map", "-", "reduce", "job", "has", "completed", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java#L435-L480
117,940
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java
DistRaid.setup
private boolean setup() throws IOException { estimateSavings(); final String randomId = getRandomId(); JobClient jClient = new JobClient(jobconf); Path jobdir = new Path(jClient.getSystemDir(), NAME + "_" + randomId); LOG.info(JOB_DIR_LABEL + "=" + jobdir); jobconf.set(JOB_DIR_LABEL, jobdir.to...
java
private boolean setup() throws IOException { estimateSavings(); final String randomId = getRandomId(); JobClient jClient = new JobClient(jobconf); Path jobdir = new Path(jClient.getSystemDir(), NAME + "_" + randomId); LOG.info(JOB_DIR_LABEL + "=" + jobdir); jobconf.set(JOB_DIR_LABEL, jobdir.to...
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set up input file which has the list of input files. @return boolean @throws IOException
[ "set", "up", "input", "file", "which", "has", "the", "list", "of", "input", "files", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/DistRaid.java#L525-L583
117,941
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/SerializedRecord.java
SerializedRecord.getStrings
private ArrayList<String> getStrings(Object o) { ArrayList<String> retval = new ArrayList<String>(); retval.clear(); if (o == null) retval.add("null"); else if (o instanceof String) retval.add((String) o); else if (o instanceof Calendar) retval.add(dateFormatter.format(((Calendar) ...
java
private ArrayList<String> getStrings(Object o) { ArrayList<String> retval = new ArrayList<String>(); retval.clear(); if (o == null) retval.add("null"); else if (o instanceof String) retval.add((String) o); else if (o instanceof Calendar) retval.add(dateFormatter.format(((Calendar) ...
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Extract String representations from an Object. @param o the input object @return an ArrayList that contains Strings found in o
[ "Extract", "String", "representations", "from", "an", "Object", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/SerializedRecord.java#L68-L87
117,942
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.createNamenode
public static ClientProtocol createNamenode(Configuration conf) throws IOException { return createNamenode(NameNode.getClientProtocolAddress(conf), conf); }
java
public static ClientProtocol createNamenode(Configuration conf) throws IOException { return createNamenode(NameNode.getClientProtocolAddress(conf), conf); }
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The locking hierarchy is to first acquire lock on DFSClient object, followed by lock on leasechecker, followed by lock on an individual DFSOutputStream.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L288-L290
117,943
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.createRPCNamenodeIfCompatible
private void createRPCNamenodeIfCompatible( InetSocketAddress nameNodeAddr, Configuration conf, UserGroupInformation ugi) throws IOException { try { this.namenodeProtocolProxy = createRPCNamenode(nameNodeAddr, conf, ugi, namenodeRPCSocketTimeout); this.rpcNamenode = namenodeP...
java
private void createRPCNamenodeIfCompatible( InetSocketAddress nameNodeAddr, Configuration conf, UserGroupInformation ugi) throws IOException { try { this.namenodeProtocolProxy = createRPCNamenode(nameNodeAddr, conf, ugi, namenodeRPCSocketTimeout); this.rpcNamenode = namenodeP...
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Create a NameNode proxy for the client if the client and NameNode are compatible @param nameNodeAddr NameNode address @param conf configuration @param ugi ticket @return a NameNode proxy that's compatible with the client
[ "Create", "a", "NameNode", "proxy", "for", "the", "client", "if", "the", "client", "and", "NameNode", "are", "compatible" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L314-L333
117,944
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.close
public synchronized void close() throws IOException { if(clientRunning) { leasechecker.close(); leasechecker.closeRenewal(); if (blockLocationRenewal != null) { blockLocationRenewal.stop(); } clientRunning = false; try { leasechecker.interruptAndJoin(); if...
java
public synchronized void close() throws IOException { if(clientRunning) { leasechecker.close(); leasechecker.closeRenewal(); if (blockLocationRenewal != null) { blockLocationRenewal.stop(); } clientRunning = false; try { leasechecker.interruptAndJoin(); if...
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Close the file system, abandoning all of the leases and files being created and close connections to the namenode.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L665-L684
117,945
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.getBlockLocations
public BlockLocation[] getBlockLocations(String src, long start, long length) throws IOException { LocatedBlocks blocks = callGetBlockLocations(namenode, src, start, length, isMetaInfoSuppoted(namenodeProtocolProxy)); return DFSUtil.locatedBlocks2Locations(blocks); }
java
public BlockLocation[] getBlockLocations(String src, long start, long length) throws IOException { LocatedBlocks blocks = callGetBlockLocations(namenode, src, start, length, isMetaInfoSuppoted(namenodeProtocolProxy)); return DFSUtil.locatedBlocks2Locations(blocks); }
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Get block location info about file getBlockLocations() returns a list of hostnames that store data for a specific file region. It returns a set of hostnames for every block within the indicated region. This function is very useful when writing code that considers data-placement when performing operations. For examp...
[ "Get", "block", "location", "info", "about", "file" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L786-L791
117,946
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.open
DFSInputStream open(String src, int buffersize, boolean verifyChecksum, FileSystem.Statistics stats, boolean clearOsBuffer, ReadOptions options ) throws IOException { checkOpen(); incFileReadToStats(); // Get block info from namenode DFSInputStream stream = new DFSInputStream(this, sr...
java
DFSInputStream open(String src, int buffersize, boolean verifyChecksum, FileSystem.Statistics stats, boolean clearOsBuffer, ReadOptions options ) throws IOException { checkOpen(); incFileReadToStats(); // Get block info from namenode DFSInputStream stream = new DFSInputStream(this, sr...
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Create an input stream that obtains a nodelist from the namenode, and then reads from all the right places. Creates inner subclass of InputStream that does the right out-of-band work.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L821-L835
117,947
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.create
public OutputStream create(String src, boolean overwrite ) throws IOException { return create(src, overwrite, defaultReplication, defaultBlockSize, null); }
java
public OutputStream create(String src, boolean overwrite ) throws IOException { return create(src, overwrite, defaultReplication, defaultBlockSize, null); }
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Create a new dfs file and return an output stream for writing into it. @param src stream name @param overwrite do not check for file existence if true @return output stream @throws IOException
[ "Create", "a", "new", "dfs", "file", "and", "return", "an", "output", "stream", "for", "writing", "into", "it", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L845-L849
117,948
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.create
public OutputStream create(String src, boolean overwrite, short replication, long blockSize ) throws IOException { return create(src, overwrite, replication, blockSize, null); }
java
public OutputStream create(String src, boolean overwrite, short replication, long blockSize ) throws IOException { return create(src, overwrite, replication, blockSize, null); }
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Create a new dfs file with the specified block replication and return an output stream for writing into the file. @param src stream name @param overwrite do not check for file existence if true @param replication block replication @return output stream @throws IOException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L877-L883
117,949
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.raidFile
public boolean raidFile(String source, String codecId, short expectedSourceRepl) throws IOException { checkOpen(); try { return namenode.raidFile(source, codecId, expectedSourceRepl); } catch(RemoteException re) { throw re.unwrapRemoteException(Acces...
java
public boolean raidFile(String source, String codecId, short expectedSourceRepl) throws IOException { checkOpen(); try { return namenode.raidFile(source, codecId, expectedSourceRepl); } catch(RemoteException re) { throw re.unwrapRemoteException(Acces...
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Raid a file with given codec No guarantee file will be raided when the call returns. Namenode will schedule raiding asynchronously. If raiding is done when raidFile is called again, namenode will set replication of source blocks to expectedSourceRepl @param source @param codecId @param expectedSourceRepl @throws IOExc...
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1169-L1180
117,950
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.recoverLease
boolean recoverLease(String src, boolean discardLastBlock) throws IOException { checkOpen(); // We remove the file from local lease checker. Usually it is already been // removed by the client but we want to be extra safe. leasechecker.remove(src); if (this.namenodeProtocolProxy == null) { re...
java
boolean recoverLease(String src, boolean discardLastBlock) throws IOException { checkOpen(); // We remove the file from local lease checker. Usually it is already been // removed by the client but we want to be extra safe. leasechecker.remove(src); if (this.namenodeProtocolProxy == null) { re...
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Recover a file's lease @param src a file's path @return if lease recovery completes @throws IOException
[ "Recover", "a", "file", "s", "lease" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1189-L1199
117,951
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.versionBasedRecoverLease
private boolean versionBasedRecoverLease(String src) throws IOException { if (namenodeVersion < ClientProtocol.RECOVER_LEASE_VERSION) { OutputStream out; try { out = append(src, conf.getInt("io.file.buffer.size", 4096), null); } catch (RemoteException re) { IOException e = re.unwr...
java
private boolean versionBasedRecoverLease(String src) throws IOException { if (namenodeVersion < ClientProtocol.RECOVER_LEASE_VERSION) { OutputStream out; try { out = append(src, conf.getInt("io.file.buffer.size", 4096), null); } catch (RemoteException re) { IOException e = re.unwr...
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recover lease based on version
[ "recover", "lease", "based", "on", "version" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1202-L1233
117,952
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.methodBasedRecoverLease
private boolean methodBasedRecoverLease(String src, boolean discardLastBlock) throws IOException { // check if closeRecoverLease(discardLastBlock) is supported if (namenodeProtocolProxy.isMethodSupported( "closeRecoverLease", String.class, String.class, boolean.class)) { try { return n...
java
private boolean methodBasedRecoverLease(String src, boolean discardLastBlock) throws IOException { // check if closeRecoverLease(discardLastBlock) is supported if (namenodeProtocolProxy.isMethodSupported( "closeRecoverLease", String.class, String.class, boolean.class)) { try { return n...
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recover lease based on method name
[ "recover", "lease", "based", "on", "method", "name" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1236-L1282
117,953
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.append
OutputStream append(String src, int buffersize, Progressable progress ) throws IOException { checkOpen(); clearFileStatusCache(); FileStatus stat = null; LocatedBlock lastBlock = null; boolean success = false; try { stat = getFileInfo(src); if (namenodeProtocolProxy != nu...
java
OutputStream append(String src, int buffersize, Progressable progress ) throws IOException { checkOpen(); clearFileStatusCache(); FileStatus stat = null; LocatedBlock lastBlock = null; boolean success = false; try { stat = getFileInfo(src); if (namenodeProtocolProxy != nu...
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Append to an existing HDFS file. @param src file name @param buffersize buffer size @param progress for reporting write-progress @return an output stream for writing into the file @throws IOException @see ClientProtocol#append(String, String)
[ "Append", "to", "an", "existing", "HDFS", "file", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1366-L1438
117,954
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.setReplication
public boolean setReplication(String src, short replication ) throws IOException { try { return namenode.setReplication(src, replication); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class, ...
java
public boolean setReplication(String src, short replication ) throws IOException { try { return namenode.setReplication(src, replication); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class, ...
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Set replication for an existing file. @see ClientProtocol#setReplication(String, short) @param replication @throws IOException @return true is successful or false if file does not exist
[ "Set", "replication", "for", "an", "existing", "file", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1448-L1458
117,955
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.merge
public void merge(String parity, String source, String codecId, int[] checksums) throws IOException { checkOpen(); try { namenode.merge(parity, source, codecId, checksums); } catch (RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class, ...
java
public void merge(String parity, String source, String codecId, int[] checksums) throws IOException { checkOpen(); try { namenode.merge(parity, source, codecId, checksums); } catch (RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class, ...
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Merge parity file and source file together into a raided file
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1490-L1500
117,956
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.delete
public boolean delete(String src, boolean recursive) throws IOException { checkOpen(); clearFileStatusCache(); try { return namenode.delete(src, recursive); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class); } }
java
public boolean delete(String src, boolean recursive) throws IOException { checkOpen(); clearFileStatusCache(); try { return namenode.delete(src, recursive); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class); } }
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delete file or directory. delete contents of the directory if non empty and recursive set to true
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1563-L1572
117,957
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.listPaths
public FileStatus[] listPaths(String src) throws IOException { checkOpen(); metrics.incLsCalls(); try { if (namenodeProtocolProxy == null) { return versionBasedListPath(src); } return methodBasedListPath(src); } catch(RemoteException re) { throw re.unwrapRemoteException(A...
java
public FileStatus[] listPaths(String src) throws IOException { checkOpen(); metrics.incLsCalls(); try { if (namenodeProtocolProxy == null) { return versionBasedListPath(src); } return methodBasedListPath(src); } catch(RemoteException re) { throw re.unwrapRemoteException(A...
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Get a listing of the indicated directory
[ "Get", "a", "listing", "of", "the", "indicated", "directory" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1594-L1605
117,958
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.versionBasedListPathWithLocation
private RemoteIterator<LocatedFileStatus> versionBasedListPathWithLocation( final String src) throws IOException { if (namenodeVersion >= ClientProtocol.BULK_BLOCK_LOCATIONS_VERSION) { return iteratorListing(src); } else { return arrayListing(src); } }
java
private RemoteIterator<LocatedFileStatus> versionBasedListPathWithLocation( final String src) throws IOException { if (namenodeVersion >= ClientProtocol.BULK_BLOCK_LOCATIONS_VERSION) { return iteratorListing(src); } else { return arrayListing(src); } }
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List a directory with location based on version
[ "List", "a", "directory", "with", "location", "based", "on", "version" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1736-L1743
117,959
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.methodBasedListPathWithLocation
private RemoteIterator<LocatedFileStatus> methodBasedListPathWithLocation( final String src) throws IOException { if (namenodeProtocolProxy.isMethodSupported( "getLocatedPartialListing", String.class, byte[].class)) { return iteratorListing(src); } else { return arrayListing(src); ...
java
private RemoteIterator<LocatedFileStatus> methodBasedListPathWithLocation( final String src) throws IOException { if (namenodeProtocolProxy.isMethodSupported( "getLocatedPartialListing", String.class, byte[].class)) { return iteratorListing(src); } else { return arrayListing(src); ...
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List a directory with location based on method
[ "List", "a", "directory", "with", "location", "based", "on", "method" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1746-L1754
117,960
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.arrayListing
private RemoteIterator<LocatedFileStatus> arrayListing(final String src) throws IOException { return new RemoteIterator<LocatedFileStatus>() { private FileStatus[] stats; private int i = 0; { //initializer stats = listPaths(src); if (stats == null) { throw new FileNotF...
java
private RemoteIterator<LocatedFileStatus> arrayListing(final String src) throws IOException { return new RemoteIterator<LocatedFileStatus>() { private FileStatus[] stats; private int i = 0; { //initializer stats = listPaths(src); if (stats == null) { throw new FileNotF...
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create the iterator from an array of file status
[ "create", "the", "iterator", "from", "an", "array", "of", "file", "status" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1757-L1787
117,961
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.iteratorListing
private RemoteIterator<LocatedFileStatus> iteratorListing(final String src) throws IOException { return new RemoteIterator<LocatedFileStatus>() { private LocatedDirectoryListing thisListing; private int i; { // initializer // fetch the first batch of entries in the directory th...
java
private RemoteIterator<LocatedFileStatus> iteratorListing(final String src) throws IOException { return new RemoteIterator<LocatedFileStatus>() { private LocatedDirectoryListing thisListing; private int i; { // initializer // fetch the first batch of entries in the directory th...
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create the iterator from the iterative listing with block locations
[ "create", "the", "iterator", "from", "the", "iterative", "listing", "with", "block", "locations" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1790-L1831
117,962
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.iterativeListing
private FileStatus[] iterativeListing(String src) throws IOException { // fetch the first batch of entries in the directory DirectoryListing thisListing = namenode.getPartialListing( src, HdfsFileStatus.EMPTY_NAME); if (thisListing == null) { // the directory does not exist return null; ...
java
private FileStatus[] iterativeListing(String src) throws IOException { // fetch the first batch of entries in the directory DirectoryListing thisListing = namenode.getPartialListing( src, HdfsFileStatus.EMPTY_NAME); if (thisListing == null) { // the directory does not exist return null; ...
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List the given path iteratively if the directory is large @param src a path @return a listing of the path @throws IOException if any IO error is occurred
[ "List", "the", "given", "path", "iteratively", "if", "the", "directory", "is", "large" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1839-L1882
117,963
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.getFileCrc
int getFileCrc(String src) throws IOException { checkOpen(); return getFileCrc(dataTransferVersion, src, namenode, namenodeProtocolProxy, socketFactory, socketTimeout); }
java
int getFileCrc(String src) throws IOException { checkOpen(); return getFileCrc(dataTransferVersion, src, namenode, namenodeProtocolProxy, socketFactory, socketTimeout); }
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Get the CRC32 Checksum of a file. @param src The file path @return The checksum @see DistributedFileSystem#getFileCrc(Path)
[ "Get", "the", "CRC32", "Checksum", "of", "a", "file", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L1932-L1936
117,964
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.setPermission
public void setPermission(String src, FsPermission permission ) throws IOException { checkOpen(); clearFileStatusCache(); try { namenode.setPermission(src, permission); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class,...
java
public void setPermission(String src, FsPermission permission ) throws IOException { checkOpen(); clearFileStatusCache(); try { namenode.setPermission(src, permission); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class,...
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Set permissions to a file or directory. @param src path name. @param permission @throws <code>FileNotFoundException</code> is file does not exist.
[ "Set", "permissions", "to", "a", "file", "or", "directory", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2187-L2198
117,965
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.setOwner
public void setOwner(String src, String username, String groupname ) throws IOException { checkOpen(); clearFileStatusCache(); try { namenode.setOwner(src, username, groupname); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.cla...
java
public void setOwner(String src, String username, String groupname ) throws IOException { checkOpen(); clearFileStatusCache(); try { namenode.setOwner(src, username, groupname); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.cla...
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Set file or directory owner. @param src path name. @param username user id. @param groupname user group. @throws <code>FileNotFoundException</code> is file does not exist.
[ "Set", "file", "or", "directory", "owner", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2207-L2218
117,966
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.versionBasedListCorruptFileBlocks
private CorruptFileBlocks versionBasedListCorruptFileBlocks(String path, String cookie) throws IOException { if (namenodeVersion < ClientProtocol.LIST_CORRUPT_FILEBLOCKS_VERSION) { LOG.info("NameNode version is " + namenodeVersion + " Using older version of getCorruptFiles."); if (c...
java
private CorruptFileBlocks versionBasedListCorruptFileBlocks(String path, String cookie) throws IOException { if (namenodeVersion < ClientProtocol.LIST_CORRUPT_FILEBLOCKS_VERSION) { LOG.info("NameNode version is " + namenodeVersion + " Using older version of getCorruptFiles."); if (c...
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Version based list corrupt file blocks
[ "Version", "based", "list", "corrupt", "file", "blocks" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2289-L2307
117,967
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.methodBasedListCorruptFileBlocks
private CorruptFileBlocks methodBasedListCorruptFileBlocks(String path, String cookie) throws IOException { if (!namenodeProtocolProxy.isMethodSupported("listCorruptFileBlocks", String.class, String.class)) { LOG.info("NameNode version is " + namenodeVersion + " Using older versio...
java
private CorruptFileBlocks methodBasedListCorruptFileBlocks(String path, String cookie) throws IOException { if (!namenodeProtocolProxy.isMethodSupported("listCorruptFileBlocks", String.class, String.class)) { LOG.info("NameNode version is " + namenodeVersion + " Using older versio...
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Method based listCorruptFileBlocks
[ "Method", "based", "listCorruptFileBlocks" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2310-L2329
117,968
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.versionBasedSaveNamespace
private void versionBasedSaveNamespace(boolean force, boolean uncompressed) throws AccessControlException, IOException { if (namenodeVersion >= ClientProtocol.SAVENAMESPACE_FORCE) { namenode.saveNamespace(force, uncompressed); } else { namenode.saveNamespace(); } }
java
private void versionBasedSaveNamespace(boolean force, boolean uncompressed) throws AccessControlException, IOException { if (namenodeVersion >= ClientProtocol.SAVENAMESPACE_FORCE) { namenode.saveNamespace(force, uncompressed); } else { namenode.saveNamespace(); } }
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Version-based save namespace
[ "Version", "-", "based", "save", "namespace" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2368-L2375
117,969
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.methodBasedSaveNamespace
private void methodBasedSaveNamespace(boolean force, boolean uncompressed) throws AccessControlException, IOException { if (namenodeProtocolProxy.isMethodSupported( "saveNamespace", boolean.class, boolean.class)) { namenode.saveNamespace(force, uncompressed); } else { namenode.saveNamespac...
java
private void methodBasedSaveNamespace(boolean force, boolean uncompressed) throws AccessControlException, IOException { if (namenodeProtocolProxy.isMethodSupported( "saveNamespace", boolean.class, boolean.class)) { namenode.saveNamespace(force, uncompressed); } else { namenode.saveNamespac...
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Method-based save namespace
[ "Method", "-", "based", "save", "namespace" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2378-L2386
117,970
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.setQuota
void setQuota(String src, long namespaceQuota, long diskspaceQuota) throws IOException { // sanity check if ((namespaceQuota <= 0 && namespaceQuota != FSConstants.QUOTA_DONT_SET && namespaceQuota != FSConstants.QUOTA_RESET) || (diskspaceQuota <= ...
java
void setQuota(String src, long namespaceQuota, long diskspaceQuota) throws IOException { // sanity check if ((namespaceQuota <= 0 && namespaceQuota != FSConstants.QUOTA_DONT_SET && namespaceQuota != FSConstants.QUOTA_RESET) || (diskspaceQuota <= ...
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Sets or resets quotas for a directory. @see org.apache.hadoop.hdfs.protocol.ClientProtocol#setQuota(String, long, long)
[ "Sets", "or", "resets", "quotas", "for", "a", "directory", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2525-L2546
117,971
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.setTimes
public void setTimes(String src, long mtime, long atime) throws IOException { checkOpen(); clearFileStatusCache(); try { namenode.setTimes(src, mtime, atime); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class, File...
java
public void setTimes(String src, long mtime, long atime) throws IOException { checkOpen(); clearFileStatusCache(); try { namenode.setTimes(src, mtime, atime); } catch(RemoteException re) { throw re.unwrapRemoteException(AccessControlException.class, File...
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set the modification and access time of a file @throws FileNotFoundException if the path is not a file
[ "set", "the", "modification", "and", "access", "time", "of", "a", "file" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2552-L2562
117,972
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.checkBlockRange
static void checkBlockRange(List<LocatedBlock> blockRange, long offset, long length) throws IOException { boolean isValid = false; if (!blockRange.isEmpty()) { int numBlocks = blockRange.size(); LocatedBlock firstBlock = blockRange.get(0); LocatedBlock lastBlock = blockRange.get(numBloc...
java
static void checkBlockRange(List<LocatedBlock> blockRange, long offset, long length) throws IOException { boolean isValid = false; if (!blockRange.isEmpty()) { int numBlocks = blockRange.size(); LocatedBlock firstBlock = blockRange.get(0); LocatedBlock lastBlock = blockRange.get(numBloc...
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Checks that the given block range covers the given file segment and consists of contiguous blocks. This function assumes that the length of the queried segment is non-zero, and a non-empty block list is expected. @param blockRange the set of blocks obtained for the given file segment @param offset the start offset of t...
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L2854-L2894
117,973
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.reportChecksumFailure
void reportChecksumFailure(String file, LocatedBlock lblocks[]) { try { reportBadBlocks(lblocks); } catch (IOException ie) { LOG.info("Found corruption while reading " + file + ". Error repairing corrupt blocks. Bad blocks remain. " + StringUtils.stringifyException(ie...
java
void reportChecksumFailure(String file, LocatedBlock lblocks[]) { try { reportBadBlocks(lblocks); } catch (IOException ie) { LOG.info("Found corruption while reading " + file + ". Error repairing corrupt blocks. Bad blocks remain. " + StringUtils.stringifyException(ie...
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just reports checksum failure and ignores any exception during the report.
[ "just", "reports", "checksum", "failure", "and", "ignores", "any", "exception", "during", "the", "report", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L3051-L3059
117,974
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.getDataTransferProtocolVersion
public int getDataTransferProtocolVersion() throws IOException { synchronized (dataTransferVersion) { if (dataTransferVersion == -1) { // Get the version number from NN try { int remoteDataTransferVersion = namenode.getDataTransferProtocolVersion(); updateDataTransferProtoc...
java
public int getDataTransferProtocolVersion() throws IOException { synchronized (dataTransferVersion) { if (dataTransferVersion == -1) { // Get the version number from NN try { int remoteDataTransferVersion = namenode.getDataTransferProtocolVersion(); updateDataTransferProtoc...
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Get the data transfer protocol version supported in the cluster assuming all the datanodes have the same version. @return the data transfer protocol version supported in the cluster
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L3082-L3104
117,975
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/DFSClient.java
DFSClient.isInLocalRack
public boolean isInLocalRack(InetSocketAddress addr) { if (dnsToSwitchMapping == null || this.localhostNetworkLocation == null) { return false; } ArrayList<String> tempList = new ArrayList<String>(); tempList.add(addr.getAddress().getHostAddress()); List<String> retList = dnsToSwitchMapping.re...
java
public boolean isInLocalRack(InetSocketAddress addr) { if (dnsToSwitchMapping == null || this.localhostNetworkLocation == null) { return false; } ArrayList<String> tempList = new ArrayList<String>(); tempList.add(addr.getAddress().getHostAddress()); List<String> retList = dnsToSwitchMapping.re...
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Determine whether the input address is in the same rack as local machine
[ "Determine", "whether", "the", "input", "address", "is", "in", "the", "same", "rack", "as", "local", "machine" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L3173-L3185
117,976
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/RaidMissingBlocks.java
RaidMissingBlocks.getTotalCount
int getTotalCount() { int ret = 0; for (RaidMissingBlocksPerCodec queue : queues.values()) { ret += queue.getTotalCount(); } return ret; }
java
int getTotalCount() { int ret = 0; for (RaidMissingBlocksPerCodec queue : queues.values()) { ret += queue.getTotalCount(); } return ret; }
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Get the total count of the missing blocks
[ "Get", "the", "total", "count", "of", "the", "missing", "blocks" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/RaidMissingBlocks.java#L61-L67
117,977
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/RaidMissingBlocks.java
RaidMissingBlocks.remove
boolean remove(BlockInfo blockInfo, RaidCodec codec) { if(queues.get(codec).remove(blockInfo)) { if (NameNode.stateChangeLog.isDebugEnabled()) { NameNode.stateChangeLog.debug( "BLOCK* NameSystem.RaidMissingBlocks.remove:" + bl...
java
boolean remove(BlockInfo blockInfo, RaidCodec codec) { if(queues.get(codec).remove(blockInfo)) { if (NameNode.stateChangeLog.isDebugEnabled()) { NameNode.stateChangeLog.debug( "BLOCK* NameSystem.RaidMissingBlocks.remove:" + bl...
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Remove a missing Raided block from its codec queue.
[ "Remove", "a", "missing", "Raided", "block", "from", "its", "codec", "queue", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/RaidMissingBlocks.java#L89-L101
117,978
facebookarchive/hadoop-20
src/contrib/mumak/src/java/org/apache/hadoop/mapred/SimulatorJobInProgress.java
SimulatorJobInProgress.initTasks
@Override public synchronized void initTasks() throws IOException { boolean loggingEnabled = LOG.isDebugEnabled(); if (loggingEnabled) { LOG.debug("(initTasks@SJIP) Starting Initialization for " + jobId); } numMapTasks = jobStory.getNumberMaps(); numReduceTasks = jobStory.getNumberReduces();...
java
@Override public synchronized void initTasks() throws IOException { boolean loggingEnabled = LOG.isDebugEnabled(); if (loggingEnabled) { LOG.debug("(initTasks@SJIP) Starting Initialization for " + jobId); } numMapTasks = jobStory.getNumberMaps(); numReduceTasks = jobStory.getNumberReduces();...
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for initTasks, update information from JobStory object
[ "for", "initTasks", "update", "information", "from", "JobStory", "object" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/mumak/src/java/org/apache/hadoop/mapred/SimulatorJobInProgress.java#L116-L196
117,979
facebookarchive/hadoop-20
src/contrib/mumak/src/java/org/apache/hadoop/mapred/SimulatorJobInProgress.java
SimulatorJobInProgress.getMapTaskAttemptInfo
@SuppressWarnings("deprecation") private synchronized TaskAttemptInfo getMapTaskAttemptInfo( TaskTracker taskTracker, TaskAttemptID taskAttemptID) { assert (taskAttemptID.isMap()); JobID jobid = (JobID) taskAttemptID.getJobID(); assert (jobid == getJobID()); // Get splits for the TaskAttempt ...
java
@SuppressWarnings("deprecation") private synchronized TaskAttemptInfo getMapTaskAttemptInfo( TaskTracker taskTracker, TaskAttemptID taskAttemptID) { assert (taskAttemptID.isMap()); JobID jobid = (JobID) taskAttemptID.getJobID(); assert (jobid == getJobID()); // Get splits for the TaskAttempt ...
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Given the map taskAttemptID, returns the TaskAttemptInfo. Deconstructs the map's taskAttemptID and looks up the jobStory with the parts taskType, id of task, id of task attempt. @param taskTracker tasktracker @param taskAttemptID task-attempt @return TaskAttemptInfo for the map task-attempt
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/mumak/src/java/org/apache/hadoop/mapred/SimulatorJobInProgress.java#L230-L260
117,980
facebookarchive/hadoop-20
src/contrib/mumak/src/java/org/apache/hadoop/mapred/SimulatorJobInProgress.java
SimulatorJobInProgress.getReduceTaskAttemptInfo
private TaskAttemptInfo getReduceTaskAttemptInfo(TaskTracker taskTracker, TaskAttemptID taskAttemptID) { assert (!taskAttemptID.isMap()); TaskID taskId = taskAttemptID.getTaskID(); TaskType taskType; if (taskAttemptID.isMap()) { taskType = TaskType.MAP; } else { taskType = TaskType...
java
private TaskAttemptInfo getReduceTaskAttemptInfo(TaskTracker taskTracker, TaskAttemptID taskAttemptID) { assert (!taskAttemptID.isMap()); TaskID taskId = taskAttemptID.getTaskID(); TaskType taskType; if (taskAttemptID.isMap()) { taskType = TaskType.MAP; } else { taskType = TaskType...
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Given the reduce taskAttemptID, returns the TaskAttemptInfo. Deconstructs the reduce taskAttemptID and looks up the jobStory with the parts taskType, id of task, id of task attempt. @param taskTracker tasktracker @param taskAttemptID task-attempt @return TaskAttemptInfo for the reduce task-attempt
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/mumak/src/java/org/apache/hadoop/mapred/SimulatorJobInProgress.java#L307-L330
117,981
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java
FastCopy.alignDatanodes
public static void alignDatanodes(DatanodeInfo[] dstLocs, DatanodeInfo[] srcLocs) { for (int i = 0; i < dstLocs.length; i++) { for (int j = 0; j < srcLocs.length; j++) { if (i == j) continue; if (dstLocs[i].equals(srcLocs[j])) { if (i < j) { swap(i, j, src...
java
public static void alignDatanodes(DatanodeInfo[] dstLocs, DatanodeInfo[] srcLocs) { for (int i = 0; i < dstLocs.length; i++) { for (int j = 0; j < srcLocs.length; j++) { if (i == j) continue; if (dstLocs[i].equals(srcLocs[j])) { if (i < j) { swap(i, j, src...
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Aligns the source and destination locations such that common locations appear at the same index. @param dstLocs the destination datanodes @param srcLocs the source datanodes
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java#L243-L259
117,982
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java
FastCopy.shutdown
public void shutdown() throws IOException { // Clean up RPC connections. Iterator <ClientDatanodeProtocol> connections = datanodeMap.values().iterator(); while(connections.hasNext()) { ClientDatanodeProtocol cnxn = connections.next(); RPC.stopProxy(cnxn); } datanodeMap.clear(); ...
java
public void shutdown() throws IOException { // Clean up RPC connections. Iterator <ClientDatanodeProtocol> connections = datanodeMap.values().iterator(); while(connections.hasNext()) { ClientDatanodeProtocol cnxn = connections.next(); RPC.stopProxy(cnxn); } datanodeMap.clear(); ...
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Tears down all RPC connections, you MUST call this once you are done. @throws IOException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java#L921-L936
117,983
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java
FastCopy.copy
public void copy(List<FastFileCopyRequest> requests) throws Exception { List<Future<CopyResult>> results = new ArrayList<Future<CopyResult>>(); for (FastFileCopyRequest r : requests) { Callable<CopyResult> fastFileCopy = new FastFileCopy(r.getSrc(), r.getDestination(), r.srcFs, r.dstFs); ...
java
public void copy(List<FastFileCopyRequest> requests) throws Exception { List<Future<CopyResult>> results = new ArrayList<Future<CopyResult>>(); for (FastFileCopyRequest r : requests) { Callable<CopyResult> fastFileCopy = new FastFileCopy(r.getSrc(), r.getDestination(), r.srcFs, r.dstFs); ...
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Performs fast copy for a list of fast file copy requests. Uses a thread pool to perform fast file copy in parallel. @param requests the list of fast file copy requests @throws Exception
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java#L991-L1004
117,984
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java
FastCopy.getDirectoryListing
private static void getDirectoryListing(FileStatus root, FileSystem fs, List<CopyPath> result, Path dstPath) throws IOException { if (!root.isDir()) { result.add(new CopyPath(root.getPath(), dstPath)); return; } for (FileStatus child : fs.listStatus(root.getPath())) { getDirectoryLi...
java
private static void getDirectoryListing(FileStatus root, FileSystem fs, List<CopyPath> result, Path dstPath) throws IOException { if (!root.isDir()) { result.add(new CopyPath(root.getPath(), dstPath)); return; } for (FileStatus child : fs.listStatus(root.getPath())) { getDirectoryLi...
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Recursively lists out all the files under a given path. @param root the path under which we want to list out files @param fs the filesystem @param result the list which holds all the files. @throws IOException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java#L1179-L1190
117,985
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java
FastCopy.expandDirectories
private static List<CopyPath> expandDirectories(FileSystem fs, List<Path> paths, Path dstPath) throws IOException { List<CopyPath> newList = new ArrayList<CopyPath>(); FileSystem dstFs = dstPath.getFileSystem(defaultConf); boolean isDstFile = false; try { FileStatus dstPathStatus = ds...
java
private static List<CopyPath> expandDirectories(FileSystem fs, List<Path> paths, Path dstPath) throws IOException { List<CopyPath> newList = new ArrayList<CopyPath>(); FileSystem dstFs = dstPath.getFileSystem(defaultConf); boolean isDstFile = false; try { FileStatus dstPathStatus = ds...
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Get the listing of all files under the given directories. @param fs the filesystem @param paths the paths whose directory listing is to be retrieved @return the directory expansion for all paths provided @throws IOException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java#L1202-L1244
117,986
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java
FastCopy.expandSingle
private static List<CopyPath> expandSingle(Path src, Path dstPath) throws IOException { List<Path> expandedPaths = new ArrayList<Path>(); FileSystem fs = src.getFileSystem(defaultConf); FileStatus[] stats = fs.globStatus(src); if (stats == null || stats.length == 0) { throw new IOException("...
java
private static List<CopyPath> expandSingle(Path src, Path dstPath) throws IOException { List<Path> expandedPaths = new ArrayList<Path>(); FileSystem fs = src.getFileSystem(defaultConf); FileStatus[] stats = fs.globStatus(src); if (stats == null || stats.length == 0) { throw new IOException("...
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Expand a single file, if its a file pattern list out all files matching the pattern, if its a directory return all files under the directory. @param src the file to be expanded @param dstPath the destination @return the expanded file list for this file/filepattern @throws IOException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java#L1257-L1270
117,987
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java
FastCopy.expandSrcs
private static List<CopyPath> expandSrcs(List<Path> srcs, Path dstPath) throws IOException { List<CopyPath> expandedSrcs = new ArrayList<CopyPath>(); for (Path src : srcs) { expandedSrcs.addAll(expandSingle(src, dstPath)); } return expandedSrcs; }
java
private static List<CopyPath> expandSrcs(List<Path> srcs, Path dstPath) throws IOException { List<CopyPath> expandedSrcs = new ArrayList<CopyPath>(); for (Path src : srcs) { expandedSrcs.addAll(expandSingle(src, dstPath)); } return expandedSrcs; }
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Expands all sources, if they are file pattern expand to list out all files matching the pattern, if they are a directory, expand to list out all files under the directory. @param srcs the files to be expanded @param dstPath the destination @return the fully expanded list of all files for all file/filepatterns provided...
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/FastCopy.java#L1285-L1292
117,988
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapreduce/lib/input/SequenceFileRecordReader.java
SequenceFileRecordReader.getProgress
public float getProgress() throws IOException { if (end == start) { return 0.0f; } else { return Math.min(1.0f, (in.getPosition() - start) / (float)(end - start)); } }
java
public float getProgress() throws IOException { if (end == start) { return 0.0f; } else { return Math.min(1.0f, (in.getPosition() - start) / (float)(end - start)); } }
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Return the progress within the input split @return 0.0 to 1.0 of the input byte range
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapreduce/lib/input/SequenceFileRecordReader.java#L93-L99
117,989
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/ShellParser.java
ShellParser.findPattern
protected String findPattern(String strPattern, String text, int grp) { Pattern pattern = Pattern.compile(strPattern, Pattern.MULTILINE); Matcher matcher = pattern.matcher(text); if (matcher.find(0)) return matcher.group(grp); return null; }
java
protected String findPattern(String strPattern, String text, int grp) { Pattern pattern = Pattern.compile(strPattern, Pattern.MULTILINE); Matcher matcher = pattern.matcher(text); if (matcher.find(0)) return matcher.group(grp); return null; }
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Find the first occurence ofa pattern in a piece of text and return a specific group. @param strPattern the regular expression to match @param text the text to search @param grp the number of the matching group to return @return a String containing the matched group of the regular expression
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/ShellParser.java#L47-L56
117,990
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/ShellParser.java
ShellParser.findAll
protected String findAll(String strPattern, String text, int grp, String separator) { String retval = ""; boolean firstTime = true; Pattern pattern = Pattern.compile(strPattern); Matcher matcher = pattern.matcher(text); while (matcher.find()) { retval += (firstTime ? "" : separator) +...
java
protected String findAll(String strPattern, String text, int grp, String separator) { String retval = ""; boolean firstTime = true; Pattern pattern = Pattern.compile(strPattern); Matcher matcher = pattern.matcher(text); while (matcher.find()) { retval += (firstTime ? "" : separator) +...
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Finds all occurences of a pattern in a piece of text and returns the matching groups. @param strPattern the regular expression to match @param text the text to search @param grp the number of the matching group to return @param separator the string that separates occurences in the returned value @return a String that...
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/ShellParser.java#L70-L85
117,991
facebookarchive/hadoop-20
src/core/org/apache/hadoop/jmx/JMXJsonServlet.java
JMXJsonServlet.renderMBeans
private int renderMBeans(JsonGenerator jg, String[] mBeanNames) throws IOException, MalformedObjectNameException { jg.writeStartObject(); Set<ObjectName> nameQueries, queriedObjects; nameQueries = new HashSet<ObjectName>(); queriedObjects = new HashSet<ObjectName>(); // if no mbean names pro...
java
private int renderMBeans(JsonGenerator jg, String[] mBeanNames) throws IOException, MalformedObjectNameException { jg.writeStartObject(); Set<ObjectName> nameQueries, queriedObjects; nameQueries = new HashSet<ObjectName>(); queriedObjects = new HashSet<ObjectName>(); // if no mbean names pro...
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Renders MBean attributes to jg. The queries parameter allows selection of a subset of mbeans. @param jg JsonGenerator that will be written to @param mBeanNames Optional list of mbean names to render. If null, every mbean will be returned. @return int Returns the appropriate HTTP status code.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/jmx/JMXJsonServlet.java#L195-L226
117,992
facebookarchive/hadoop-20
src/core/org/apache/hadoop/jmx/JMXJsonServlet.java
JMXJsonServlet.renderMBean
private void renderMBean(JsonGenerator jg, ObjectName objectName) throws IOException { MBeanInfo beanInfo; String className; jg.writeObjectFieldStart(objectName.toString()); jg.writeStringField("beanName", objectName.toString()); try { beanInfo = mBeanServer.getMBeanInfo(objectName); c...
java
private void renderMBean(JsonGenerator jg, ObjectName objectName) throws IOException { MBeanInfo beanInfo; String className; jg.writeObjectFieldStart(objectName.toString()); jg.writeStringField("beanName", objectName.toString()); try { beanInfo = mBeanServer.getMBeanInfo(objectName); c...
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Render a particular MBean's attributes to jg. @param jg JsonGenerator that will be written to @param objectName ObjectName for the mbean to render. @return void
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/jmx/JMXJsonServlet.java#L237-L273
117,993
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/datanode/DatanodeProtocols.java
DatanodeProtocols.sendHeartbeat
public DatanodeCommand[] sendHeartbeat(DatanodeRegistration registration, long capacity, long dfsUsed, long remaining, long namespaceUsed, int xmitsInProgress, ...
java
public DatanodeCommand[] sendHeartbeat(DatanodeRegistration registration, long capacity, long dfsUsed, long remaining, long namespaceUsed, int xmitsInProgress, ...
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This method should not be invoked on the composite DatanodeProtocols object. You can call these on the individual DatanodeProcol objects.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/server/datanode/DatanodeProtocols.java#L142-L149
117,994
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/hightidenode/FileFixer.java
FileFixer.setPolicyInfo
void setPolicyInfo(Collection<PolicyInfo> all) throws IOException { this.all = all; this.pathToPolicy.clear(); // keep a reverse map from all top-level paths to policies for (PolicyInfo pinfo: all) { pathToPolicy.add(new PathToPolicy(pinfo.getSrcPath(), pinfo)); for (PathInfo d:pinfo.getDes...
java
void setPolicyInfo(Collection<PolicyInfo> all) throws IOException { this.all = all; this.pathToPolicy.clear(); // keep a reverse map from all top-level paths to policies for (PolicyInfo pinfo: all) { pathToPolicy.add(new PathToPolicy(pinfo.getSrcPath(), pinfo)); for (PathInfo d:pinfo.getDes...
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The list of all configured policies.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/hightidenode/FileFixer.java#L146-L166
117,995
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/hightidenode/FileFixer.java
FileFixer.run
public void run() { while (running) { try { LOG.info("FileFixer continuing to run..."); doFindFiles(); } catch (Exception e) { LOG.error(StringUtils.stringifyException(e)); } catch (Error err) { LOG.error("Exiting after encountering " + StringUti...
java
public void run() { while (running) { try { LOG.info("FileFixer continuing to run..."); doFindFiles(); } catch (Exception e) { LOG.error(StringUtils.stringifyException(e)); } catch (Error err) { LOG.error("Exiting after encountering " + StringUti...
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A singleton thread that finds corrupted files and then schedules blocks to be copied. This thread talks only to NameNodes and does not talk to any datanodes.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/hightidenode/FileFixer.java#L173-L194
117,996
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/hightidenode/FileFixer.java
FileFixer.createClientDatanodeProtocolProxy
static ClientDatanodeProtocol createClientDatanodeProtocolProxy ( DatanodeInfo datanodeid, Configuration conf) throws IOException { InetSocketAddress addr = NetUtils.createSocketAddr( datanodeid.getHost() + ":" + datanodeid.getIpcPort()); if (ClientDatanodeProtocol.LOG.isDebugEnabled()) { Clie...
java
static ClientDatanodeProtocol createClientDatanodeProtocolProxy ( DatanodeInfo datanodeid, Configuration conf) throws IOException { InetSocketAddress addr = NetUtils.createSocketAddr( datanodeid.getHost() + ":" + datanodeid.getIpcPort()); if (ClientDatanodeProtocol.LOG.isDebugEnabled()) { Clie...
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Setup a session with the specified datanode
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/hightidenode/FileFixer.java#L441-L462
117,997
facebookarchive/hadoop-20
src/core/org/apache/hadoop/raid/GaloisField.java
GaloisField.getInstance
public static GaloisField getInstance(int fieldSize, int primitivePolynomial) { int key = ((fieldSize << 16) & 0xFFFF0000) + (primitivePolynomial & 0x0000FFFF); GaloisField gf; synchronized (instances) { gf = instances.get(key); if (gf == null) { gf = new GaloisField(fieldSize, pri...
java
public static GaloisField getInstance(int fieldSize, int primitivePolynomial) { int key = ((fieldSize << 16) & 0xFFFF0000) + (primitivePolynomial & 0x0000FFFF); GaloisField gf; synchronized (instances) { gf = instances.get(key); if (gf == null) { gf = new GaloisField(fieldSize, pri...
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Get the object performs Galois field arithmetics @param fieldSize size of the field @param primitivePolynomial a primitive polynomial corresponds to the size
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/raid/GaloisField.java#L51-L63
117,998
facebookarchive/hadoop-20
src/core/org/apache/hadoop/raid/GaloisField.java
GaloisField.add
public int add(int x, int y) { assert(x >= 0 && x < getFieldSize() && y >= 0 && y < getFieldSize()); return x ^ y; }
java
public int add(int x, int y) { assert(x >= 0 && x < getFieldSize() && y >= 0 && y < getFieldSize()); return x ^ y; }
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Compute the sum of two fields @param x input field @param y input field @return result of addition
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/raid/GaloisField.java#L139-L142
117,999
facebookarchive/hadoop-20
src/core/org/apache/hadoop/raid/GaloisField.java
GaloisField.multiply
public int multiply(int x, int y) { assert(x >= 0 && x < getFieldSize() && y >= 0 && y < getFieldSize()); return mulTable[x][y]; }
java
public int multiply(int x, int y) { assert(x >= 0 && x < getFieldSize() && y >= 0 && y < getFieldSize()); return mulTable[x][y]; }
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Compute the multiplication of two fields @param x input field @param y input field @return result of multiplication
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/raid/GaloisField.java#L150-L153