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118,000
facebookarchive/hadoop-20
src/core/org/apache/hadoop/raid/GaloisField.java
GaloisField.divide
public int divide(int x, int y) { assert(x >= 0 && x < getFieldSize() && y > 0 && y < getFieldSize()); return divTable[x][y]; }
java
public int divide(int x, int y) { assert(x >= 0 && x < getFieldSize() && y > 0 && y < getFieldSize()); return divTable[x][y]; }
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Compute the division of two fields @param x input field @param y input field @return x/y
[ "Compute", "the", "division", "of", "two", "fields" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/raid/GaloisField.java#L161-L164
118,001
facebookarchive/hadoop-20
src/core/org/apache/hadoop/raid/GaloisField.java
GaloisField.power
public int power(int x, int n) { assert(x >= 0 && x < getFieldSize()); if (n == 0) { return 1; } if (x == 0) { return 0; } x = logTable[x] * n; if (x < primitivePeriod) { return powTable[x]; } x = x % primitivePeriod; return powTable[x]; }
java
public int power(int x, int n) { assert(x >= 0 && x < getFieldSize()); if (n == 0) { return 1; } if (x == 0) { return 0; } x = logTable[x] * n; if (x < primitivePeriod) { return powTable[x]; } x = x % primitivePeriod; return powTable[x]; }
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Compute power n of a field @param x input field @param n power @return x^n
[ "Compute", "power", "n", "of", "a", "field" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/raid/GaloisField.java#L172-L186
118,002
facebookarchive/hadoop-20
src/core/org/apache/hadoop/raid/GaloisField.java
GaloisField.solveVandermondeSystem
public void solveVandermondeSystem(int[] x, byte[][] y, int len, int dataStart, int dataLen) { assert(x.length <= len && y.length <= len); int dataEnd = dataStart + dataLen; for (int i = 0; i < len - 1; i++) { for (int j = len - 1; j > i; j--) { for (int k...
java
public void solveVandermondeSystem(int[] x, byte[][] y, int len, int dataStart, int dataLen) { assert(x.length <= len && y.length <= len); int dataEnd = dataStart + dataLen; for (int i = 0; i < len - 1; i++) { for (int j = len - 1; j > i; j--) { for (int k...
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A "bulk" version of the solveVandermondeSystem
[ "A", "bulk", "version", "of", "the", "solveVandermondeSystem" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/raid/GaloisField.java#L227-L250
118,003
facebookarchive/hadoop-20
src/core/org/apache/hadoop/raid/GaloisField.java
GaloisField.substitute
public void substitute(byte[][] p, byte[] q, int x) { substitute(p, q, x, 0, p[0].length); }
java
public void substitute(byte[][] p, byte[] q, int x) { substitute(p, q, x, 0, p[0].length); }
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A "bulk" version of the substitute. Tends to be 2X faster than the "int" substitute in a loop. @param p input polynomial @param q store the return result @param x input field
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/raid/GaloisField.java#L368-L370
118,004
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java
PoolSchedulable.snapshotConfig
private void snapshotConfig() { synchronized (configManager) { maximum = configManager.getPoolMaximum(poolInfo, getType()); minimum = configManager.getPoolMinimum(poolInfo, getType()); weight = configManager.getWeight(poolInfo); priority = configManager.getPriority(poolInfo); preemptab...
java
private void snapshotConfig() { synchronized (configManager) { maximum = configManager.getPoolMaximum(poolInfo, getType()); minimum = configManager.getPoolMinimum(poolInfo, getType()); weight = configManager.getWeight(poolInfo); priority = configManager.getPriority(poolInfo); preemptab...
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Get the snapshot of the configuration from the configuration manager. Synchronized on config manager to ensure that config is atomically updated per pool.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java#L149-L161
118,005
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java
PoolSchedulable.addSession
public void addSession(String id, Session session) { synchronized (session) { SessionSchedulable schedulable = new SessionSchedulable(session, getType()); idToSession.put(id, schedulable); } }
java
public void addSession(String id, Session session) { synchronized (session) { SessionSchedulable schedulable = new SessionSchedulable(session, getType()); idToSession.put(id, schedulable); } }
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Add a session to the pool @param id the id of the session @param session the session to add to the pool
[ "Add", "a", "session", "to", "the", "pool" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java#L203-L209
118,006
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java
PoolSchedulable.getScheduleQueue
public Queue<SessionSchedulable> getScheduleQueue() { if (scheduleQueue == null) { scheduleQueue = createSessionQueue(configManager.getPoolComparator(poolInfo)); } return scheduleQueue; }
java
public Queue<SessionSchedulable> getScheduleQueue() { if (scheduleQueue == null) { scheduleQueue = createSessionQueue(configManager.getPoolComparator(poolInfo)); } return scheduleQueue; }
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Get the queue of sessions sorted for scheduling @return the queue of sessions sorted for scheduling
[ "Get", "the", "queue", "of", "sessions", "sorted", "for", "scheduling" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java#L215-L221
118,007
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java
PoolSchedulable.getPreemptQueue
public Queue<SessionSchedulable> getPreemptQueue() { if (preemptQueue == null) { ScheduleComparator comparator = null; switch (configManager.getPoolComparator(poolInfo)) { case FIFO: comparator = ScheduleComparator.FIFO_PREEMPT; break; case FAIR: comparator = Schedul...
java
public Queue<SessionSchedulable> getPreemptQueue() { if (preemptQueue == null) { ScheduleComparator comparator = null; switch (configManager.getPoolComparator(poolInfo)) { case FIFO: comparator = ScheduleComparator.FIFO_PREEMPT; break; case FAIR: comparator = Schedul...
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Get the queue of sessions sorted for preemption @return the queue of sessions sorted for preemption
[ "Get", "the", "queue", "of", "sessions", "sorted", "for", "preemption" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java#L227-L248
118,008
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java
PoolSchedulable.createSessionQueue
public Queue<SessionSchedulable> createSessionQueue( ScheduleComparator comparator) { int initCapacity = snapshotSessions.size() == 0 ? 1 : snapshotSessions.size(); Queue<SessionSchedulable> sessionQueue = new PriorityQueue<SessionSchedulable>(initCapacity, comparator); sessionQueue.addA...
java
public Queue<SessionSchedulable> createSessionQueue( ScheduleComparator comparator) { int initCapacity = snapshotSessions.size() == 0 ? 1 : snapshotSessions.size(); Queue<SessionSchedulable> sessionQueue = new PriorityQueue<SessionSchedulable>(initCapacity, comparator); sessionQueue.addA...
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Get the queue of sessions in the pool sorted by comparator @param comparator the comparator to use when sorting sessions @return the queue of the sessions sorted by a given comparator
[ "Get", "the", "queue", "of", "sessions", "in", "the", "pool", "sorted", "by", "comparator" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java#L255-L263
118,009
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java
PoolSchedulable.isStarving
public boolean isStarving(long now) { double starvingShare = getShare() * shareStarvingRatio; if (getGranted() >= Math.ceil(starvingShare)) { lastTimeAboveStarvingShare = now; } if (getGranted() >= Math.min(getShare(), getMinimum())) { lastTimeAboveMinimum = now; } if (now - lastPre...
java
public boolean isStarving(long now) { double starvingShare = getShare() * shareStarvingRatio; if (getGranted() >= Math.ceil(starvingShare)) { lastTimeAboveStarvingShare = now; } if (getGranted() >= Math.min(getShare(), getMinimum())) { lastTimeAboveMinimum = now; } if (now - lastPre...
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Check if the pool is starving now or not @param now current timestampe @return true if the pool is starving now, false otherwise
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java#L282-L320
118,010
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java
PoolSchedulable.getStarvingTime
public long getStarvingTime(long now) { long starvingTime = Math.max( getMinimumStarvingTime(now), getShareStarvingTime(now)); return starvingTime; }
java
public long getStarvingTime(long now) { long starvingTime = Math.max( getMinimumStarvingTime(now), getShareStarvingTime(now)); return starvingTime; }
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Get the amount of time the pool was starving for either its min share or its share @param now the current timestamp @return the amount of time the pool was starving
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/PoolSchedulable.java#L328-L332
118,011
facebookarchive/hadoop-20
src/tools/org/apache/hadoop/tools/DistCh.java
DistCh.getMapCount
private static int getMapCount(int srcCount, int numNodes) { int numMaps = (int)(srcCount / OP_PER_MAP); numMaps = Math.min(numMaps, numNodes * MAX_MAPS_PER_NODE); return Math.max(numMaps, 1); }
java
private static int getMapCount(int srcCount, int numNodes) { int numMaps = (int)(srcCount / OP_PER_MAP); numMaps = Math.min(numMaps, numNodes * MAX_MAPS_PER_NODE); return Math.max(numMaps, 1); }
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Calculate how many maps to run.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/tools/org/apache/hadoop/tools/DistCh.java#L417-L421
118,012
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java
AvatarZooKeeperClient.registerPrimarySsId
public synchronized void registerPrimarySsId(String address, Long ssid) throws IOException { String node = getSsIdNode(address); zkCreateRecursively(node, SerializableUtils.toBytes(ssid), true, ssid.toString()); }
java
public synchronized void registerPrimarySsId(String address, Long ssid) throws IOException { String node = getSsIdNode(address); zkCreateRecursively(node, SerializableUtils.toBytes(ssid), true, ssid.toString()); }
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Creates a node in zookeeper denoting the current session id of the primary avatarnode of the cluster. The primary avatarnode always syncs this information to zookeeper when it starts. @param address the address of the cluster, used to create the path name for the znode @param ssid the session id of the primary avatarn...
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java#L112-L117
118,013
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java
AvatarZooKeeperClient.registerLastTxId
public synchronized void registerLastTxId(String address, ZookeeperTxId lastTxid) throws IOException { String node = getLastTxIdNode(address); zkCreateRecursively(node, lastTxid.toBytes(), true, lastTxid.toString()); }
java
public synchronized void registerLastTxId(String address, ZookeeperTxId lastTxid) throws IOException { String node = getLastTxIdNode(address); zkCreateRecursively(node, lastTxid.toBytes(), true, lastTxid.toString()); }
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Creates a node in zookeeper denoting the current session id and the last transaction id processed by the primary avatarnode. This is used by the primary avatarnode when it shuts down cleanly. @param address the address of the cluster, used to create the path name for the znode @param lastTxid the last transaction id i...
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java#L131-L136
118,014
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java
AvatarZooKeeperClient.getPrimarySsId
public Long getPrimarySsId(String address, boolean sync) throws IOException, KeeperException, InterruptedException, ClassNotFoundException { Stat stat = new Stat(); String node = getSsIdNode(address); byte[] data = getNodeData(node, stat, false, sync); if (data == null) { return null; } ...
java
public Long getPrimarySsId(String address, boolean sync) throws IOException, KeeperException, InterruptedException, ClassNotFoundException { Stat stat = new Stat(); String node = getSsIdNode(address); byte[] data = getNodeData(node, stat, false, sync); if (data == null) { return null; } ...
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Retrieves the current session id for the cluster from zookeeper. @param address the address of the cluster @param sync whether or not to perform a sync before read @throws IOException @throws KeeperException @throws InterruptedException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java#L329-L338
118,015
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java
AvatarZooKeeperClient.getPrimaryLastTxId
public ZookeeperTxId getPrimaryLastTxId(String address, boolean sync) throws IOException, KeeperException, InterruptedException, ClassNotFoundException { Stat stat = new Stat(); String node = getLastTxIdNode(address); byte[] data = getNodeData(node, stat, false, sync); if (data == null) { ...
java
public ZookeeperTxId getPrimaryLastTxId(String address, boolean sync) throws IOException, KeeperException, InterruptedException, ClassNotFoundException { Stat stat = new Stat(); String node = getLastTxIdNode(address); byte[] data = getNodeData(node, stat, false, sync); if (data == null) { ...
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Retrieves the last transaction id of the primary from zookeeper. @param address the address of the cluster @param sync whether or not to perform a sync before read @throws IOException @throws KeeperException @throws InterruptedException
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java#L351-L361
118,016
facebookarchive/hadoop-20
src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java
AvatarZooKeeperClient.getPrimaryAvatarAddress
public String getPrimaryAvatarAddress(String address, Stat stat, boolean retry) throws IOException, KeeperException, InterruptedException { return getPrimaryAvatarAddress(address, stat, retry, false); }
java
public String getPrimaryAvatarAddress(String address, Stat stat, boolean retry) throws IOException, KeeperException, InterruptedException { return getPrimaryAvatarAddress(address, stat, retry, false); }
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Retrieves the primary address for the cluster, this does not perform a sync before it reads the znode.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java#L367-L370
118,017
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/TaskRunner.java
TaskRunner.addJobJarToClassPath
private void addJobJarToClassPath(String localJarFile, StringBuffer classPath) { File jobCacheDir = new File (new Path(localJarFile).getParent().toString()); File[] libs = new File(jobCacheDir, "lib").listFiles(); String sep = System.getProperty("path.separator"); if (libs != null) { for (i...
java
private void addJobJarToClassPath(String localJarFile, StringBuffer classPath) { File jobCacheDir = new File (new Path(localJarFile).getParent().toString()); File[] libs = new File(jobCacheDir, "lib").listFiles(); String sep = System.getProperty("path.separator"); if (libs != null) { for (i...
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Given the path to the localized job jar file, add it's constituents to the classpath
[ "Given", "the", "path", "to", "the", "localized", "job", "jar", "file", "add", "it", "s", "constituents", "to", "the", "classpath" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/TaskRunner.java#L223-L239
118,018
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/TaskRunner.java
TaskRunner.appendSystemClasspath
private static void appendSystemClasspath(JobConf conf, String pathSeparator, StringBuffer classPath) { // The alternate runtime can be used to debug tasks by putting a // custom version of the mapred libraries. This will ge...
java
private static void appendSystemClasspath(JobConf conf, String pathSeparator, StringBuffer classPath) { // The alternate runtime can be used to debug tasks by putting a // custom version of the mapred libraries. This will ge...
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Add the system class path to a class path @param conf JobConf @param pathSeparator Path separator @param classPath Where to add the system class path
[ "Add", "the", "system", "class", "path", "to", "a", "class", "path" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/TaskRunner.java#L247-L270
118,019
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/RaidHistogram.java
RaidHistogram.setNewWindows
public synchronized void setNewWindows(ArrayList<Long> newWindows) throws IOException { if (newWindows.size() != windows.size()) { throw new IOException( "Number of new windows need to be the same as that of old ones"); } Collections.sort(newWindows); for (int i = 0; i < newWindows...
java
public synchronized void setNewWindows(ArrayList<Long> newWindows) throws IOException { if (newWindows.size() != windows.size()) { throw new IOException( "Number of new windows need to be the same as that of old ones"); } Collections.sort(newWindows); for (int i = 0; i < newWindows...
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Only for testing
[ "Only", "for", "testing" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/RaidHistogram.java#L151-L165
118,020
facebookarchive/hadoop-20
src/contrib/capacity-scheduler/src/java/org/apache/hadoop/mapred/JobQueuesManager.java
JobQueuesManager.reorderJobs
private void reorderJobs(JobInProgress job, JobSchedulingInfo oldInfo, QueueInfo qi) { if(qi.removeWaitingJob(oldInfo) != null) { qi.addWaitingJob(job); } if(qi.removeRunningJob(oldInfo) != null) { qi.addRunningJob(job); } }
java
private void reorderJobs(JobInProgress job, JobSchedulingInfo oldInfo, QueueInfo qi) { if(qi.removeWaitingJob(oldInfo) != null) { qi.addWaitingJob(job); } if(qi.removeRunningJob(oldInfo) != null) { qi.addRunningJob(job); } }
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because of the change in the job priority or job start-time.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/capacity-scheduler/src/java/org/apache/hadoop/mapred/JobQueuesManager.java#L208-L217
118,021
facebookarchive/hadoop-20
src/contrib/capacity-scheduler/src/java/org/apache/hadoop/mapred/JobQueuesManager.java
JobQueuesManager.makeJobRunning
private void makeJobRunning(JobInProgress job, JobSchedulingInfo oldInfo, QueueInfo qi) { // Removing of the job from job list is responsibility of the //initialization poller. // Add the job to the running queue qi.addRunningJob(job); }
java
private void makeJobRunning(JobInProgress job, JobSchedulingInfo oldInfo, QueueInfo qi) { // Removing of the job from job list is responsibility of the //initialization poller. // Add the job to the running queue qi.addRunningJob(job); }
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This is used to move a job from the waiting queue to the running queue.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/capacity-scheduler/src/java/org/apache/hadoop/mapred/JobQueuesManager.java#L220-L226
118,022
facebookarchive/hadoop-20
src/contrib/capacity-scheduler/src/java/org/apache/hadoop/mapred/JobQueuesManager.java
JobQueuesManager.jobStateChanged
private void jobStateChanged(JobStatusChangeEvent event, QueueInfo qi) { JobInProgress job = event.getJobInProgress(); JobSchedulingInfo oldJobStateInfo = new JobSchedulingInfo(event.getOldStatus()); // Check if the ordering of the job has changed // For now priority and start-time can change the...
java
private void jobStateChanged(JobStatusChangeEvent event, QueueInfo qi) { JobInProgress job = event.getJobInProgress(); JobSchedulingInfo oldJobStateInfo = new JobSchedulingInfo(event.getOldStatus()); // Check if the ordering of the job has changed // For now priority and start-time can change the...
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Update the scheduler as job's state has changed
[ "Update", "the", "scheduler", "as", "job", "s", "state", "has", "changed" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/capacity-scheduler/src/java/org/apache/hadoop/mapred/JobQueuesManager.java#L229-L250
118,023
facebookarchive/hadoop-20
src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRed.java
PipeMapRed.splitKeyVal
void splitKeyVal(byte[] line, int length, Text key, Text val) throws IOException { int numKeyFields = getNumOfKeyFields(); byte[] separator = getFieldSeparator(); // Need to find numKeyFields separators int pos = UTF8ByteArrayUtils.findBytes(line, 0, length, separator); for(int k=1; k<numKeyF...
java
void splitKeyVal(byte[] line, int length, Text key, Text val) throws IOException { int numKeyFields = getNumOfKeyFields(); byte[] separator = getFieldSeparator(); // Need to find numKeyFields separators int pos = UTF8ByteArrayUtils.findBytes(line, 0, length, separator); for(int k=1; k<numKeyF...
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Split a line into key and value. @param line: a byte array of line containing UTF-8 bytes @param key: key of a record @param val: value of a record @throws IOException
[ "Split", "a", "line", "into", "key", "and", "value", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRed.java#L375-L396
118,024
facebookarchive/hadoop-20
src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRed.java
PipeMapRed.write
void write(Object value) throws IOException { if (clientInputSerializer != null) { clientInputSerializer.serialize(value); return; } byte[] bval; int valSize; if (value instanceof BytesWritable) { BytesWritable val = (BytesWritable) value; bval = val.getBytes(); valSiz...
java
void write(Object value) throws IOException { if (clientInputSerializer != null) { clientInputSerializer.serialize(value); return; } byte[] bval; int valSize; if (value instanceof BytesWritable) { BytesWritable val = (BytesWritable) value; bval = val.getBytes(); valSiz...
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Write a value to the output stream using UTF-8 encoding @param value output value @throws IOException
[ "Write", "a", "value", "to", "the", "output", "stream", "using", "UTF", "-", "8", "encoding" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRed.java#L680-L702
118,025
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/tools/offlineEditsViewer/XmlEditsVisitor.java
XmlEditsVisitor.writeTag
private void writeTag(String tag, String value) throws IOException { printIndents(); if(value.length() > 0) { write("<" + tag + ">" + value + "</" + tag + ">\n"); } else { write("<" + tag + "/>\n"); } }
java
private void writeTag(String tag, String value) throws IOException { printIndents(); if(value.length() > 0) { write("<" + tag + ">" + value + "</" + tag + ">\n"); } else { write("<" + tag + "/>\n"); } }
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Write an XML tag @param tag a tag name @param value a tag value
[ "Write", "an", "XML", "tag" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/tools/offlineEditsViewer/XmlEditsVisitor.java#L136-L143
118,026
facebookarchive/hadoop-20
src/contrib/snapshot/src/java/org/apache/hadoop/hdfs/server/namenode/SnapshotNode.java
SnapshotNode.updateLeasedFiles
void updateLeasedFiles(SnapshotStorage ssStore) throws IOException { FSNamesystem fsNamesys = ssStore.getFSNamesystem(); List<Block> blocksForNN = new ArrayList<Block>(); leaseUpdateThreadPool = new ThreadPoolExecutor(1, maxLeaseUpdateThreads, 60, TimeUnit.S...
java
void updateLeasedFiles(SnapshotStorage ssStore) throws IOException { FSNamesystem fsNamesys = ssStore.getFSNamesystem(); List<Block> blocksForNN = new ArrayList<Block>(); leaseUpdateThreadPool = new ThreadPoolExecutor(1, maxLeaseUpdateThreads, 60, TimeUnit.S...
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Tries to get the most up to date lengths of files under construction.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/snapshot/src/java/org/apache/hadoop/hdfs/server/namenode/SnapshotNode.java#L367-L415
118,027
facebookarchive/hadoop-20
src/contrib/snapshot/src/java/org/apache/hadoop/hdfs/server/namenode/SnapshotNode.java
SnapshotNode.downloadSnapshotFiles
void downloadSnapshotFiles(SnapshotStorage ssStore) throws IOException { CheckpointSignature start = namenode.getCheckpointSignature(); ssStore.storage.setStorageInfo(start); CheckpointSignature end = null; boolean success; do { // Clear temp files prepareDownloadDirs(); // get f...
java
void downloadSnapshotFiles(SnapshotStorage ssStore) throws IOException { CheckpointSignature start = namenode.getCheckpointSignature(); ssStore.storage.setStorageInfo(start); CheckpointSignature end = null; boolean success; do { // Clear temp files prepareDownloadDirs(); // get f...
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Download fsimage, edits and edits.new files from the name-node. Files will be downloaded in CURRENT_DIR @throws IOException
[ "Download", "fsimage", "edits", "and", "edits", ".", "new", "files", "from", "the", "name", "-", "node", ".", "Files", "will", "be", "downloaded", "in", "CURRENT_DIR" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/snapshot/src/java/org/apache/hadoop/hdfs/server/namenode/SnapshotNode.java#L422-L465
118,028
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java
LeaseManager.reassignLease
synchronized Lease reassignLease(Lease lease, String src, String newHolder) { assert newHolder != null : "new lease holder is null"; LeaseOpenTime leaseOpenTime = null; if (lease != null) { leaseOpenTime = removeLease(lease, src); } return addLease(newHolder, src, le...
java
synchronized Lease reassignLease(Lease lease, String src, String newHolder) { assert newHolder != null : "new lease holder is null"; LeaseOpenTime leaseOpenTime = null; if (lease != null) { leaseOpenTime = removeLease(lease, src); } return addLease(newHolder, src, le...
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Reassign lease for file src to the new holder.
[ "Reassign", "lease", "for", "file", "src", "to", "the", "new", "holder", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java#L172-L182
118,029
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java
LeaseManager.findPath
synchronized String findPath(INodeFileUnderConstruction pendingFile) throws IOException { Lease lease = getLease(pendingFile.getClientName()); if (lease != null) { String src = lease.findPath(pendingFile); if (src != null) { return src; } } throw new IOExcepti...
java
synchronized String findPath(INodeFileUnderConstruction pendingFile) throws IOException { Lease lease = getLease(pendingFile.getClientName()); if (lease != null) { String src = lease.findPath(pendingFile); if (src != null) { return src; } } throw new IOExcepti...
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Find the pathname for the specified pendingFile
[ "Find", "the", "pathname", "for", "the", "specified", "pendingFile" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java#L187-L198
118,030
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java
LeaseManager.removeLease
synchronized LeaseOpenTime removeLease(Lease lease, String src) { LeaseOpenTime leaseOpenTime = sortedLeasesByPath.remove(src); if (!lease.removePath(src)) { LOG.error(src + " not found in lease.paths (=" + lease.paths + ")"); } if (!lease.hasPath()) { leases.remove(lease.holder); if ...
java
synchronized LeaseOpenTime removeLease(Lease lease, String src) { LeaseOpenTime leaseOpenTime = sortedLeasesByPath.remove(src); if (!lease.removePath(src)) { LOG.error(src + " not found in lease.paths (=" + lease.paths + ")"); } if (!lease.hasPath()) { leases.remove(lease.holder); if ...
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Remove the specified lease and src.
[ "Remove", "the", "specified", "lease", "and", "src", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java#L203-L216
118,031
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java
LeaseManager.removeLease
synchronized void removeLease(String holder, String src) { Lease lease = getLease(holder); if (lease != null) { removeLease(lease, src); } }
java
synchronized void removeLease(String holder, String src) { Lease lease = getLease(holder); if (lease != null) { removeLease(lease, src); } }
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Remove the lease for the specified holder and src
[ "Remove", "the", "lease", "for", "the", "specified", "holder", "and", "src" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java#L221-L226
118,032
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java
LeaseManager.checkLeases
synchronized void checkLeases() { int numPathsChecked = 0; for(; sortedLeases.size() > 0; ) { final Lease oldest = sortedLeases.first(); if (!oldest.expiredHardLimit()) { return; } // internalReleaseLease() removes paths corresponding to empty files, // i.e. it needs...
java
synchronized void checkLeases() { int numPathsChecked = 0; for(; sortedLeases.size() > 0; ) { final Lease oldest = sortedLeases.first(); if (!oldest.expiredHardLimit()) { return; } // internalReleaseLease() removes paths corresponding to empty files, // i.e. it needs...
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Check the leases beginning from the oldest.
[ "Check", "the", "leases", "beginning", "from", "the", "oldest", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java#L533-L564
118,033
facebookarchive/hadoop-20
src/core/org/apache/hadoop/util/Progress.java
Progress.addPhase
public Progress addPhase(String status) { Progress phase = addPhase(); phase.setStatus(status); return phase; }
java
public Progress addPhase(String status) { Progress phase = addPhase(); phase.setStatus(status); return phase; }
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Adds a named node to the tree.
[ "Adds", "a", "named", "node", "to", "the", "tree", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/util/Progress.java#L40-L44
118,034
facebookarchive/hadoop-20
src/core/org/apache/hadoop/util/Progress.java
Progress.complete
public void complete() { // we have to traverse up to our parent, so be careful about locking. Progress myParent; synchronized(this) { progress = 1.0f; myParent = parent; } if (myParent != null) { // this will synchronize on the parent, so we make sure we release // our lock ...
java
public void complete() { // we have to traverse up to our parent, so be careful about locking. Progress myParent; synchronized(this) { progress = 1.0f; myParent = parent; } if (myParent != null) { // this will synchronize on the parent, so we make sure we release // our lock ...
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Completes this node, moving the parent node to its next child.
[ "Completes", "this", "node", "moving", "the", "parent", "node", "to", "its", "next", "child", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/util/Progress.java#L67-L81
118,035
facebookarchive/hadoop-20
src/core/org/apache/hadoop/util/Progress.java
Progress.get
public synchronized float get() { Progress node = this; while (node.parent != null) { // find the root node = parent; } return node.getInternal(); }
java
public synchronized float get() { Progress node = this; while (node.parent != null) { // find the root node = parent; } return node.getInternal(); }
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and the node's parent never changes. Still, it doesn't hurt.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/util/Progress.java#L91-L97
118,036
facebookarchive/hadoop-20
src/core/org/apache/hadoop/util/Progress.java
Progress.getInternal
private synchronized float getInternal() { int phaseCount = phases.size(); if (phaseCount != 0) { float subProgress = currentPhase < phaseCount ? phase().getInternal() : 0.0f; return progressPerPhase*(currentPhase + subProgress); } else { return progress; } }
java
private synchronized float getInternal() { int phaseCount = phases.size(); if (phaseCount != 0) { float subProgress = currentPhase < phaseCount ? phase().getInternal() : 0.0f; return progressPerPhase*(currentPhase + subProgress); } else { return progress; } }
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Computes progress in this node.
[ "Computes", "progress", "in", "this", "node", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/util/Progress.java#L100-L109
118,037
facebookarchive/hadoop-20
src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocationsRoot.java
DFSLocationsRoot.reloadLocations
private synchronized void reloadLocations() { map.clear(); for (HadoopServer location : ServerRegistry.getInstance().getServers()) map.put(location, new DFSLocation(provider, location)); }
java
private synchronized void reloadLocations() { map.clear(); for (HadoopServer location : ServerRegistry.getInstance().getServers()) map.put(location, new DFSLocation(provider, location)); }
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Recompute the map of Hadoop locations
[ "Recompute", "the", "map", "of", "Hadoop", "locations" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocationsRoot.java#L88-L92
118,038
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/LogUtils.java
LogUtils.incrLogMetrics
public static void incrLogMetrics(Map<String, Long> incrMetrics) { if (incrMetrics == null || incrMetrics.size() == 0) { return; } MetricsRegistry registry = RaidNodeMetrics.getInstance( RaidNodeMetrics.DEFAULT_NAMESPACE_ID).getMetricsRegistry(); Map<String, MetricsTimeVaryingLong> logMetr...
java
public static void incrLogMetrics(Map<String, Long> incrMetrics) { if (incrMetrics == null || incrMetrics.size() == 0) { return; } MetricsRegistry registry = RaidNodeMetrics.getInstance( RaidNodeMetrics.DEFAULT_NAMESPACE_ID).getMetricsRegistry(); Map<String, MetricsTimeVaryingLong> logMetr...
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Increase logMetrics in the Raidnode metrics
[ "Increase", "logMetrics", "in", "the", "Raidnode", "metrics" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/LogUtils.java#L152-L168
118,039
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.getLocalAddress
static java.net.InetAddress getLocalAddress() throws IOException { try { return java.net.InetAddress.getLocalHost(); } catch (java.net.UnknownHostException e) { throw new IOException(e); } }
java
static java.net.InetAddress getLocalAddress() throws IOException { try { return java.net.InetAddress.getLocalHost(); } catch (java.net.UnknownHostException e) { throw new IOException(e); } }
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A helper function to get the local address of the machine @return the local address of the current machine @throws IOException
[ "A", "helper", "function", "to", "get", "the", "local", "address", "of", "the", "machine" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L212-L218
118,040
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.initializeServer
private ServerSocket initializeServer(CoronaConf conf) throws IOException { // Choose any free port. ServerSocket sessionServerSocket = new ServerSocket(0, 0, getLocalAddress()); TServerSocket tServerSocket = new TServerSocket(sessionServerSocket, co...
java
private ServerSocket initializeServer(CoronaConf conf) throws IOException { // Choose any free port. ServerSocket sessionServerSocket = new ServerSocket(0, 0, getLocalAddress()); TServerSocket tServerSocket = new TServerSocket(sessionServerSocket, co...
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Start the SessionDriver callback server @param conf the corona configuration for this session @return the server socket of the callback server @throws IOException
[ "Start", "the", "SessionDriver", "callback", "server" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L226-L242
118,041
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.setName
public void setName(String name) throws IOException { if (failException != null) { throw failException; } if (name == null || name.length() == 0) { return; } sessionInfo.name = name; SessionInfo newInfo = new SessionInfo(sessionInfo); cmNotifier.addCall( new ClusterManag...
java
public void setName(String name) throws IOException { if (failException != null) { throw failException; } if (name == null || name.length() == 0) { return; } sessionInfo.name = name; SessionInfo newInfo = new SessionInfo(sessionInfo); cmNotifier.addCall( new ClusterManag...
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Set the name for this session in the ClusterManager @param name the name of this session @throws IOException
[ "Set", "the", "name", "for", "this", "session", "in", "the", "ClusterManager" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L303-L317
118,042
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.setPriority
public void setPriority(SessionPriority prio) throws IOException { if (failException != null) { throw failException; } sessionInfo.priority = prio; SessionInfo newInfo = new SessionInfo(sessionInfo); cmNotifier.addCall( new ClusterManagerService.sessionUpdateInfo_args(sessionId, newI...
java
public void setPriority(SessionPriority prio) throws IOException { if (failException != null) { throw failException; } sessionInfo.priority = prio; SessionInfo newInfo = new SessionInfo(sessionInfo); cmNotifier.addCall( new ClusterManagerService.sessionUpdateInfo_args(sessionId, newI...
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Set the priority for this session in the ClusterManager @param prio the priority of this session @throws IOException
[ "Set", "the", "priority", "for", "this", "session", "in", "the", "ClusterManager" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L324-L334
118,043
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.setDeadline
public void setDeadline(long sessionDeadline) throws IOException { if (failException != null) { throw failException; } sessionInfo.deadline = sessionDeadline; SessionInfo newInfo = new SessionInfo(sessionInfo); cmNotifier.addCall( new ClusterManagerService.sessionUpdateInfo_args(sess...
java
public void setDeadline(long sessionDeadline) throws IOException { if (failException != null) { throw failException; } sessionInfo.deadline = sessionDeadline; SessionInfo newInfo = new SessionInfo(sessionInfo); cmNotifier.addCall( new ClusterManagerService.sessionUpdateInfo_args(sess...
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Set the deadline for this session in the ClusterManager @param sessionDeadline the deadline for the session @throws IOException
[ "Set", "the", "deadline", "for", "this", "session", "in", "the", "ClusterManager" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L341-L351
118,044
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.setUrl
public void setUrl(String url) throws IOException { if (failException != null) { throw failException; } sessionInfo.url = url; SessionInfo newInfo = new SessionInfo(sessionInfo); cmNotifier.addCall( new ClusterManagerService.sessionUpdateInfo_args(sessionId, newInfo)); }
java
public void setUrl(String url) throws IOException { if (failException != null) { throw failException; } sessionInfo.url = url; SessionInfo newInfo = new SessionInfo(sessionInfo); cmNotifier.addCall( new ClusterManagerService.sessionUpdateInfo_args(sessionId, newInfo)); }
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Set the URL for this session in the ClusterManager @param url the url of this session @throws IOException
[ "Set", "the", "URL", "for", "this", "session", "in", "the", "ClusterManager" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L358-L368
118,045
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.stopRemoteSession
public void stopRemoteSession(String remoteId) { cmNotifier.addCall(new ClusterManagerService.sessionEnd_args(remoteId, SessionStatus.TIMED_OUT)); }
java
public void stopRemoteSession(String remoteId) { cmNotifier.addCall(new ClusterManagerService.sessionEnd_args(remoteId, SessionStatus.TIMED_OUT)); }
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Stops session acquired by remote JT @param remoteId id of remote JT session
[ "Stops", "session", "acquired", "by", "remote", "JT" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L375-L378
118,046
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.stop
public void stop(SessionStatus status, List<ResourceType> resourceTypes, List<NodeUsageReport> reportList) { LOG.info("Stopping session driver"); running = false; // clear all calls from the notifier and append the feedback and session // end. cmNotifier.clearC...
java
public void stop(SessionStatus status, List<ResourceType> resourceTypes, List<NodeUsageReport> reportList) { LOG.info("Stopping session driver"); running = false; // clear all calls from the notifier and append the feedback and session // end. cmNotifier.clearC...
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Stop the SessionDriver. This sends the message to the ClusterManager indicating that the session has ended. If reportList is not null or empty it will send the report prior to closing the session. @param status the terminating status of the session @param resourceTypes the types of the resources to send the report for...
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L412-L432
118,047
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.join
public void join() throws InterruptedException { serverThread.join(); long start = System.currentTimeMillis(); cmNotifier.join(SESSION_DRIVER_WAIT_INTERVAL); long end = System.currentTimeMillis(); if (end - start >= SESSION_DRIVER_WAIT_INTERVAL) { LOG.warn("Taking more than " + SESSION_DRIVER_...
java
public void join() throws InterruptedException { serverThread.join(); long start = System.currentTimeMillis(); cmNotifier.join(SESSION_DRIVER_WAIT_INTERVAL); long end = System.currentTimeMillis(); if (end - start >= SESSION_DRIVER_WAIT_INTERVAL) { LOG.warn("Taking more than " + SESSION_DRIVER_...
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Join the underlying threads of SessionDriver @throws InterruptedException
[ "Join", "the", "underlying", "threads", "of", "SessionDriver" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L438-L448
118,048
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.requestResources
public void requestResources(List<ResourceRequest> wanted) throws IOException { if (failException != null) { throw failException; } cmNotifier.addCall( new ClusterManagerService.requestResource_args(sessionId, wanted)); }
java
public void requestResources(List<ResourceRequest> wanted) throws IOException { if (failException != null) { throw failException; } cmNotifier.addCall( new ClusterManagerService.requestResource_args(sessionId, wanted)); }
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Request needed resources from the ClusterManager @param wanted the list of resources requested @throws IOException
[ "Request", "needed", "resources", "from", "the", "ClusterManager" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L455-L463
118,049
facebookarchive/hadoop-20
src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java
SessionDriver.releaseResources
public void releaseResources(List<ResourceRequest> released) throws IOException { if (failException != null) { throw failException; } List<Integer> releasedIds = new ArrayList<Integer>(); for (ResourceRequest req : released) { releasedIds.add(req.getId()); } cmNotifier.addCall( ...
java
public void releaseResources(List<ResourceRequest> released) throws IOException { if (failException != null) { throw failException; } List<Integer> releasedIds = new ArrayList<Integer>(); for (ResourceRequest req : released) { releasedIds.add(req.getId()); } cmNotifier.addCall( ...
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Release the resources that are no longer used @param released resources to be released @throws IOException
[ "Release", "the", "resources", "that", "are", "no", "longer", "used" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/corona/src/java/org/apache/hadoop/corona/SessionDriver.java#L470-L482
118,050
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/lib/aggregate/UserDefinedValueAggregatorDescriptor.java
UserDefinedValueAggregatorDescriptor.createInstance
public static Object createInstance(String className) { Object retv = null; try { ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); Class<?> theFilterClass = Class.forName(className, true, classLoader); Constructor meth = theFilterClass.getDeclaredConstructor(argArray);...
java
public static Object createInstance(String className) { Object retv = null; try { ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); Class<?> theFilterClass = Class.forName(className, true, classLoader); Constructor meth = theFilterClass.getDeclaredConstructor(argArray);...
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Create an instance of the given class @param className the name of the class @return a dynamically created instance of the given class
[ "Create", "an", "instance", "of", "the", "given", "class" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/lib/aggregate/UserDefinedValueAggregatorDescriptor.java#L48-L60
118,051
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/util/LightWeightBitSet.java
LightWeightBitSet.set
public static void set(long[] bits, int pos) { int offset = pos >> LONG_SHIFT; if (offset >= bits.length) throw new IndexOutOfBoundsException(); bits[offset] |= 1L << pos; }
java
public static void set(long[] bits, int pos) { int offset = pos >> LONG_SHIFT; if (offset >= bits.length) throw new IndexOutOfBoundsException(); bits[offset] |= 1L << pos; }
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Set the bit for the given position to true. @param bits - bitset @param pos - position to be set to true
[ "Set", "the", "bit", "for", "the", "given", "position", "to", "true", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/util/LightWeightBitSet.java#L62-L67
118,052
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/util/LightWeightBitSet.java
LightWeightBitSet.clear
public static void clear(long[] bits, int pos) { int offset = pos >> LONG_SHIFT; if (offset >= bits.length) throw new IndexOutOfBoundsException(); bits[offset] &= ~(1L << pos); }
java
public static void clear(long[] bits, int pos) { int offset = pos >> LONG_SHIFT; if (offset >= bits.length) throw new IndexOutOfBoundsException(); bits[offset] &= ~(1L << pos); }
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Set the bit for the given position to false. @param bits - bitset @param pos - position to be set to false
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/util/LightWeightBitSet.java#L75-L80
118,053
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/util/LightWeightBitSet.java
LightWeightBitSet.get
public static boolean get(long[] bits, int pos) { int offset = pos >> LONG_SHIFT; if (offset >= bits.length) return false; return (bits[offset] & (1L << pos)) != 0; }
java
public static boolean get(long[] bits, int pos) { int offset = pos >> LONG_SHIFT; if (offset >= bits.length) return false; return (bits[offset] & (1L << pos)) != 0; }
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Gets the bit for the given position. @param bits - bitset @param pos - position to retrieve.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/util/LightWeightBitSet.java#L90-L95
118,054
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/util/LightWeightBitSet.java
LightWeightBitSet.cardinality
public static int cardinality(long[] bits) { int card = 0; for (int i = bits.length - 1; i >= 0; i--) { long a = bits[i]; if (a == 0) continue; if (a == -1) { card += 64; continue; } // Successively collapse alternating bit groups into a sum. a = ((a >...
java
public static int cardinality(long[] bits) { int card = 0; for (int i = bits.length - 1; i >= 0; i--) { long a = bits[i]; if (a == 0) continue; if (a == -1) { card += 64; continue; } // Successively collapse alternating bit groups into a sum. a = ((a >...
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Checks the number of bits set to 1. @param bits - bitset @return the number of bits set to 1
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/util/LightWeightBitSet.java#L103-L122
118,055
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadStream.java
HttpImageUploadStream.checkState
void checkState() throws IOException { int majority = getMajoritySize(); int numDisabled = 0; for (HttpImageUploadChannel ch : uploadChannels) { numDisabled += ch.isDisabled() ? 1 : 0; } if (numDisabled >= majority) { Map<HttpImageUploadChannel, Void> successes = new HashMap<Htt...
java
void checkState() throws IOException { int majority = getMajoritySize(); int numDisabled = 0; for (HttpImageUploadChannel ch : uploadChannels) { numDisabled += ch.isDisabled() ? 1 : 0; } if (numDisabled >= majority) { Map<HttpImageUploadChannel, Void> successes = new HashMap<Htt...
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At each operation, this function is used to ensure that we still have a majority of successful channels to which we can write.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadStream.java#L89-L110
118,056
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadStream.java
HttpImageUploadStream.flushBuffer
private void flushBuffer(boolean close) { for (HttpImageUploadChannel ch : uploadChannels) { ch.send(buffer); } if (!close) { // allocate new buffer, since the old one is used by the channels for // reading buffer = new ByteArrayOutputStream((int) (1.2 * flushSize)); } }
java
private void flushBuffer(boolean close) { for (HttpImageUploadChannel ch : uploadChannels) { ch.send(buffer); } if (!close) { // allocate new buffer, since the old one is used by the channels for // reading buffer = new ByteArrayOutputStream((int) (1.2 * flushSize)); } }
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Flushes the buffer to the upload channels and allocates a new buffer.
[ "Flushes", "the", "buffer", "to", "the", "upload", "channels", "and", "allocates", "a", "new", "buffer", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/qjournal/client/HttpImageUploadStream.java#L128-L137
118,057
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.getFs
public synchronized FileSystem getFs() throws IOException { if (this.fs == null) { Path sysDir = getSystemDir(); this.fs = sysDir.getFileSystem(getConf()); } return fs; }
java
public synchronized FileSystem getFs() throws IOException { if (this.fs == null) { Path sysDir = getSystemDir(); this.fs = sysDir.getFileSystem(getConf()); } return fs; }
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Get a filesystem handle. We need this to prepare jobs for submission to the MapReduce system. @return the filesystem handle.
[ "Get", "a", "filesystem", "handle", ".", "We", "need", "this", "to", "prepare", "jobs", "for", "submission", "to", "the", "MapReduce", "system", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L552-L558
118,058
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.copyRemoteFiles
private Path copyRemoteFiles(FileSystem jtFs, Path parentDir, Path originalPath, JobConf job, short replication, String md5) throws IOException { //check if we do not need to copy the files // is jt using the same file system. // just checkin...
java
private Path copyRemoteFiles(FileSystem jtFs, Path parentDir, Path originalPath, JobConf job, short replication, String md5) throws IOException { //check if we do not need to copy the files // is jt using the same file system. // just checkin...
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was copied to
[ "was", "copied", "to" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L608-L679
118,059
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.symLinkAndConfigureFiles
private void symLinkAndConfigureFiles(JobConf job) throws IOException { if (!(job.getBoolean("mapred.used.genericoptionsparser", false))) { LOG.warn("Use GenericOptionsParser for parsing the arguments. " + "Applications should implement Tool for the same."); } // get all the command li...
java
private void symLinkAndConfigureFiles(JobConf job) throws IOException { if (!(job.getBoolean("mapred.used.genericoptionsparser", false))) { LOG.warn("Use GenericOptionsParser for parsing the arguments. " + "Applications should implement Tool for the same."); } // get all the command li...
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Create symlinks for the files needed for the jobs in current directory @param job @throws IOException
[ "Create", "symlinks", "for", "the", "files", "needed", "for", "the", "jobs", "in", "current", "directory" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L700-L739
118,060
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.configureUserName
private void configureUserName(JobConf job) throws IOException { UnixUserGroupInformation ugi = getUGI(job); // Set the user's name, group and working directory job.setUser(ugi.getUserName()); if (ugi.getGroupNames() != null && ugi.getGroupNames().length > 0) { job.set("group.name", ugi.getGroupNam...
java
private void configureUserName(JobConf job) throws IOException { UnixUserGroupInformation ugi = getUGI(job); // Set the user's name, group and working directory job.setUser(ugi.getUserName()); if (ugi.getGroupNames() != null && ugi.getGroupNames().length > 0) { job.set("group.name", ugi.getGroupNam...
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set this user's id in job configuration, so later job files can be accessed using this user's id @param job @throws IOException
[ "set", "this", "user", "s", "id", "in", "job", "configuration", "so", "later", "job", "files", "can", "be", "accessed", "using", "this", "user", "s", "id" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L1092-L1102
118,061
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.submitJob
public RunningJob submitJob(String jobFile) throws FileNotFoundException, InvalidJobConfException, IOException { // Load in the submitted job details JobConf job = new JobConf(jobFile); return submitJob...
java
public RunningJob submitJob(String jobFile) throws FileNotFoundException, InvalidJobConfException, IOException { // Load in the submitted job details JobConf job = new JobConf(jobFile); return submitJob...
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Submit a job to the MR system. This returns a handle to the {@link RunningJob} which can be used to track the running-job. @param jobFile the job configuration. @return a handle to the {@link RunningJob} which can be used to track the running-job. @throws FileNotFoundException @throws InvalidJobConfException @throws ...
[ "Submit", "a", "job", "to", "the", "MR", "system", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L1128-L1134
118,062
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.submitJobInternal
public RunningJob submitJobInternal(JobConf job ) throws FileNotFoundException, ClassNotFoundException, InterruptedException, IOException { /* * configure the...
java
public RunningJob submitJobInternal(JobConf job ) throws FileNotFoundException, ClassNotFoundException, InterruptedException, IOException { /* * configure the...
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Internal method for submitting jobs to the system. @param job the configuration to submit @return a proxy object for the running job @throws FileNotFoundException @throws ClassNotFoundException @throws InterruptedException @throws IOException
[ "Internal", "method", "for", "submitting", "jobs", "to", "the", "system", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L1175-L1265
118,063
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.validateNumberOfTasks
private void validateNumberOfTasks(int splits, int reduceTasks, JobConf conf) throws IOException { int maxTasks = conf.getInt("mapred.jobtracker.maxtasks.per.job", -1); int totalTasks = splits + reduceTasks; if ((maxTasks!= -1) && (totalTasks > maxTasks)) { throw new IOException( ...
java
private void validateNumberOfTasks(int splits, int reduceTasks, JobConf conf) throws IOException { int maxTasks = conf.getInt("mapred.jobtracker.maxtasks.per.job", -1); int totalTasks = splits + reduceTasks; if ((maxTasks!= -1) && (totalTasks > maxTasks)) { throw new IOException( ...
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JobTrcker applies this limit against the sum of mappers and reducers.
[ "JobTrcker", "applies", "this", "limit", "against", "the", "sum", "of", "mappers", "and", "reducers", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L1353-L1364
118,064
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.readSplitFile
static RawSplit[] readSplitFile(DataInput in) throws IOException { byte[] header = new byte[SPLIT_FILE_HEADER.length]; in.readFully(header); if (!Arrays.equals(SPLIT_FILE_HEADER, header)) { throw new IOException("Invalid header on split file"); } int vers = WritableUtils.readVInt(in); if (...
java
static RawSplit[] readSplitFile(DataInput in) throws IOException { byte[] header = new byte[SPLIT_FILE_HEADER.length]; in.readFully(header); if (!Arrays.equals(SPLIT_FILE_HEADER, header)) { throw new IOException("Invalid header on split file"); } int vers = WritableUtils.readVInt(in); if (...
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Read a splits file into a list of raw splits @param in the stream to read from @return the complete list of splits @throws IOException
[ "Read", "a", "splits", "file", "into", "a", "list", "of", "raw", "splits" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L1529-L1546
118,065
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.displayTasks
public void displayTasks(JobID jobId, String type, String state) throws IOException { TaskReport[] reports = new TaskReport[0]; if (type.equals("map")) { reports = getMapTaskReports(jobId); } else if (type.equals("reduce")) { reports = getReduceTaskReports(jobId); } else if (type.equals("s...
java
public void displayTasks(JobID jobId, String type, String state) throws IOException { TaskReport[] reports = new TaskReport[0]; if (type.equals("map")) { reports = getMapTaskReports(jobId); } else if (type.equals("reduce")) { reports = getReduceTaskReports(jobId); } else if (type.equals("s...
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Display the information about a job's tasks, of a particular type and in a particular state @param jobId the ID of the job @param type the type of the task (map/reduce/setup/cleanup) @param state the state of the task (pending/running/completed/failed/killed)
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L1658-L1680
118,066
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.runJob
public static RunningJob runJob(JobConf job) throws IOException { JobClient jc = new JobClient(job); RunningJob rj = jc.submitJob(job); try { if (!jc.monitorAndPrintJob(job, rj)) { throw new IOException("Job failed!"); } } catch (InterruptedException ie) { Thread.currentThread(...
java
public static RunningJob runJob(JobConf job) throws IOException { JobClient jc = new JobClient(job); RunningJob rj = jc.submitJob(job); try { if (!jc.monitorAndPrintJob(job, rj)) { throw new IOException("Job failed!"); } } catch (InterruptedException ie) { Thread.currentThread(...
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Utility that submits a job, then polls for progress until the job is complete. @param job the job configuration. @throws IOException if the job fails
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L1753-L1764
118,067
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.monitorAndPrintJob
public boolean monitorAndPrintJob(JobConf conf, RunningJob job ) throws IOException, InterruptedException { String lastReport = null; TaskStatusFilter filter; filter = getTaskOutputFilter(conf); JobID jobId = job.getID(); LOG.info("Running job: " + jobId); i...
java
public boolean monitorAndPrintJob(JobConf conf, RunningJob job ) throws IOException, InterruptedException { String lastReport = null; TaskStatusFilter filter; filter = getTaskOutputFilter(conf); JobID jobId = job.getID(); LOG.info("Running job: " + jobId); i...
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Monitor a job and print status in real-time as progress is made and tasks fail. @param conf the job's configuration @param job the job to track @return true if the job succeeded @throws IOException if communication to the JobTracker fails
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L1774-L1855
118,068
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.listEvents
private void listEvents(JobID jobId, int fromEventId, int numEvents) throws IOException { TaskCompletionEvent[] events = jobSubmitClient.getTaskCompletionEvents(jobId, fromEventId, numEvents); System.out.println("Task completion events for " + jobId); System.out.println("Number of events (from " +...
java
private void listEvents(JobID jobId, int fromEventId, int numEvents) throws IOException { TaskCompletionEvent[] events = jobSubmitClient.getTaskCompletionEvents(jobId, fromEventId, numEvents); System.out.println("Task completion events for " + jobId); System.out.println("Number of events (from " +...
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List the events for the given job @param jobId the job id for the job's events to list @throws IOException
[ "List", "the", "events", "for", "the", "given", "job" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L2335-L2347
118,069
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.listJobs
private void listJobs() throws IOException { JobStatus[] jobs = jobsToComplete(); if (jobs == null) jobs = new JobStatus[0]; System.out.printf("%d jobs currently running\n", jobs.length); displayJobList(jobs); }
java
private void listJobs() throws IOException { JobStatus[] jobs = jobsToComplete(); if (jobs == null) jobs = new JobStatus[0]; System.out.printf("%d jobs currently running\n", jobs.length); displayJobList(jobs); }
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Dump a list of currently running jobs @throws IOException
[ "Dump", "a", "list", "of", "currently", "running", "jobs" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L2353-L2360
118,070
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.listAllJobs
private void listAllJobs() throws IOException { JobStatus[] jobs = getAllJobs(); if (jobs == null) jobs = new JobStatus[0]; System.out.printf("%d jobs submitted\n", jobs.length); System.out.printf("States are:\n\tRunning : 1\tSucceded : 2" + "\tFailed : 3\tPrep : 4\n"); displayJobList(jobs...
java
private void listAllJobs() throws IOException { JobStatus[] jobs = getAllJobs(); if (jobs == null) jobs = new JobStatus[0]; System.out.printf("%d jobs submitted\n", jobs.length); System.out.printf("States are:\n\tRunning : 1\tSucceded : 2" + "\tFailed : 3\tPrep : 4\n"); displayJobList(jobs...
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Dump a list of all jobs submitted. @throws IOException
[ "Dump", "a", "list", "of", "all", "jobs", "submitted", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L2366-L2374
118,071
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.listActiveTrackers
private void listActiveTrackers() throws IOException { ClusterStatus c = jobSubmitClient.getClusterStatus(true); Collection<String> trackers = c.getActiveTrackerNames(); for (String trackerName : trackers) { System.out.println(trackerName); } }
java
private void listActiveTrackers() throws IOException { ClusterStatus c = jobSubmitClient.getClusterStatus(true); Collection<String> trackers = c.getActiveTrackerNames(); for (String trackerName : trackers) { System.out.println(trackerName); } }
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Display the list of active trackers
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L2379-L2385
118,072
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.listBlacklistedTrackers
private void listBlacklistedTrackers() throws IOException { ClusterStatus c = jobSubmitClient.getClusterStatus(true); Collection<String> trackers = c.getBlacklistedTrackerNames(); for (String trackerName : trackers) { System.out.println(trackerName); } }
java
private void listBlacklistedTrackers() throws IOException { ClusterStatus c = jobSubmitClient.getClusterStatus(true); Collection<String> trackers = c.getBlacklistedTrackerNames(); for (String trackerName : trackers) { System.out.println(trackerName); } }
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Display the list of blacklisted trackers
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L2390-L2396
118,073
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/JobClient.java
JobClient.listTrackers
private void listTrackers() throws IOException { ClusterStatus fullStatus = jobSubmitClient.getClusterStatus(true); Collection<TaskTrackerStatus> trackers = fullStatus.getTaskTrackersDetails(); Set<String> activeTrackers = new HashSet<String>(fullStatus.getActiveTrackerNames()); ...
java
private void listTrackers() throws IOException { ClusterStatus fullStatus = jobSubmitClient.getClusterStatus(true); Collection<TaskTrackerStatus> trackers = fullStatus.getTaskTrackersDetails(); Set<String> activeTrackers = new HashSet<String>(fullStatus.getActiveTrackerNames()); ...
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Display the stats of the cluster with per tracker details @throws IOException
[ "Display", "the", "stats", "of", "the", "cluster", "with", "per", "tracker", "details" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/JobClient.java#L2402-L2463
118,074
facebookarchive/hadoop-20
src/contrib/hive-streaming/src/java/org/apache/hadoop/streaming/PathFinder.java
PathFinder.getAbsolutePath
public File getAbsolutePath(String filename) { if (pathenv == null || pathSep == null || fileSep == null) { return null; } int val = -1; String classvalue = pathenv + pathSep; while (((val = classvalue.indexOf(pathSep)) >= 0) && classvalue.length() > 0) { ...
java
public File getAbsolutePath(String filename) { if (pathenv == null || pathSep == null || fileSep == null) { return null; } int val = -1; String classvalue = pathenv + pathSep; while (((val = classvalue.indexOf(pathSep)) >= 0) && classvalue.length() > 0) { ...
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Returns the full path name of this file if it is listed in the path
[ "Returns", "the", "full", "path", "name", "of", "this", "file", "if", "it", "is", "listed", "in", "the", "path" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/hive-streaming/src/java/org/apache/hadoop/streaming/PathFinder.java#L68-L103
118,075
facebookarchive/hadoop-20
src/contrib/hive-streaming/src/java/org/apache/hadoop/streaming/PathFinder.java
PathFinder.printSystemProperties
private static void printSystemProperties() { System.out.println("System properties: "); java.util.Properties p = System.getProperties(); java.util.Enumeration keys = p.keys(); while(keys.hasMoreElements()) { String thiskey = (String)keys.nextElement(); String value = p.getProperty(thiskey);...
java
private static void printSystemProperties() { System.out.println("System properties: "); java.util.Properties p = System.getProperties(); java.util.Enumeration keys = p.keys(); while(keys.hasMoreElements()) { String thiskey = (String)keys.nextElement(); String value = p.getProperty(thiskey);...
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prints all system properties for this process
[ "prints", "all", "system", "properties", "for", "this", "process" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/hive-streaming/src/java/org/apache/hadoop/streaming/PathFinder.java#L123-L132
118,076
facebookarchive/hadoop-20
src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java
DFSFile.downloadToLocalFile
public void downloadToLocalFile(final File file) throws InvocationTargetException, InterruptedException { PlatformUI.getWorkbench().getProgressService().busyCursorWhile( new IRunnableWithProgress() { public void run(IProgressMonitor monitor) throws InvocationTargetException { ...
java
public void downloadToLocalFile(final File file) throws InvocationTargetException, InterruptedException { PlatformUI.getWorkbench().getProgressService().busyCursorWhile( new IRunnableWithProgress() { public void run(IProgressMonitor monitor) throws InvocationTargetException { ...
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Download this file to the local file system. This creates a download status monitor. @param file @throws JSchException @throws IOException @throws InvocationTargetException @throws InterruptedException @deprecated
[ "Download", "this", "file", "to", "the", "local", "file", "system", ".", "This", "creates", "a", "download", "status", "monitor", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java#L104-L115
118,077
facebookarchive/hadoop-20
src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java
DFSFile.toDetailedString
public String toDetailedString() { final String[] units = { "b", "Kb", "Mb", "Gb", "Tb" }; int unit = 0; double l = this.length; while ((l >= 1024.0) && (unit < units.length)) { unit += 1; l /= 1024.0; } return String.format("%s (%.1f %s, r%d)", super.toString(), l, units[un...
java
public String toDetailedString() { final String[] units = { "b", "Kb", "Mb", "Gb", "Tb" }; int unit = 0; double l = this.length; while ((l >= 1024.0) && (unit < units.length)) { unit += 1; l /= 1024.0; } return String.format("%s (%.1f %s, r%d)", super.toString(), l, units[un...
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Provides a detailed string for this file @return the string formatted as <tt>&lt;filename&gt; (&lt;size&gt;, r&lt;replication&gt;)</tt>
[ "Provides", "a", "detailed", "string", "for", "this", "file" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java#L152-L163
118,078
facebookarchive/hadoop-20
src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java
DFSFile.downloadToLocalFile
public void downloadToLocalFile(IProgressMonitor monitor, File file) throws InvocationTargetException { final int taskSize = 1024; monitor.setTaskName("Download file " + this.path); BufferedOutputStream ostream = null; DataInputStream istream = null; try { istream = getDFS().open(thi...
java
public void downloadToLocalFile(IProgressMonitor monitor, File file) throws InvocationTargetException { final int taskSize = 1024; monitor.setTaskName("Download file " + this.path); BufferedOutputStream ostream = null; DataInputStream istream = null; try { istream = getDFS().open(thi...
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Download the DfsFile to a local file. Use the given monitor to report status of operation. @param monitor the status monitor @param file the local file where to put the downloaded file @throws InvocationTargetException
[ "Download", "the", "DfsFile", "to", "a", "local", "file", ".", "Use", "the", "given", "monitor", "to", "report", "status", "of", "operation", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java#L183-L227
118,079
facebookarchive/hadoop-20
src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java
DFSFile.upload
public void upload(IProgressMonitor monitor, File file) { final int taskSize = 1024; monitor.setTaskName("Upload file " + this.path); BufferedInputStream istream = null; DataOutputStream ostream = null; try { istream = new BufferedInputStream(new FileInputStream(file)); ostream = get...
java
public void upload(IProgressMonitor monitor, File file) { final int taskSize = 1024; monitor.setTaskName("Upload file " + this.path); BufferedInputStream istream = null; DataOutputStream ostream = null; try { istream = new BufferedInputStream(new FileInputStream(file)); ostream = get...
[ "public", "void", "upload", "(", "IProgressMonitor", "monitor", ",", "File", "file", ")", "{", "final", "int", "taskSize", "=", "1024", ";", "monitor", ".", "setTaskName", "(", "\"Upload file \"", "+", "this", ".", "path", ")", ";", "BufferedInputStream", "i...
Upload a local file to this file on the distributed file system @param monitor @param file
[ "Upload", "a", "local", "file", "to", "this", "file", "on", "the", "distributed", "file", "system" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java#L235-L279
118,080
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystemDatanodeHelper.java
FSNamesystemDatanodeHelper.getDatanodeStats
public static DatanodeStatus getDatanodeStats(FSNamesystem ns, ArrayList<DatanodeDescriptor> live, ArrayList<DatanodeDescriptor> dead) { ns.DFSNodesStatus(live, dead); ArrayList<DatanodeDescriptor> decommissioning = ns .getDecommissioningNodesList(live); // live nodes int numLive = live.s...
java
public static DatanodeStatus getDatanodeStats(FSNamesystem ns, ArrayList<DatanodeDescriptor> live, ArrayList<DatanodeDescriptor> dead) { ns.DFSNodesStatus(live, dead); ArrayList<DatanodeDescriptor> decommissioning = ns .getDecommissioningNodesList(live); // live nodes int numLive = live.s...
[ "public", "static", "DatanodeStatus", "getDatanodeStats", "(", "FSNamesystem", "ns", ",", "ArrayList", "<", "DatanodeDescriptor", ">", "live", ",", "ArrayList", "<", "DatanodeDescriptor", ">", "dead", ")", "{", "ns", ".", "DFSNodesStatus", "(", "live", ",", "dea...
Get status of the datanodes in the system.
[ "Get", "status", "of", "the", "datanodes", "in", "the", "system", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystemDatanodeHelper.java#L32-L70
118,081
facebookarchive/hadoop-20
src/mapred/org/apache/hadoop/mapred/IFileOutputStream.java
IFileOutputStream.finish
public void finish() throws IOException { if (finished) { return; } finished = true; sum.writeValue(barray, 0, false); out.write (barray, 0, sum.getChecksumSize()); out.flush(); }
java
public void finish() throws IOException { if (finished) { return; } finished = true; sum.writeValue(barray, 0, false); out.write (barray, 0, sum.getChecksumSize()); out.flush(); }
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Finishes writing data to the output stream, by writing the checksum bytes to the end. The underlying stream is not closed. @throws IOException
[ "Finishes", "writing", "data", "to", "the", "output", "stream", "by", "writing", "the", "checksum", "bytes", "to", "the", "end", ".", "The", "underlying", "stream", "is", "not", "closed", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/mapred/org/apache/hadoop/mapred/IFileOutputStream.java#L69-L77
118,082
facebookarchive/hadoop-20
src/core/org/apache/hadoop/fs/FilterFileSystem.java
FilterFileSystem.hardLink
public boolean hardLink(Path src, Path dst) throws IOException { return fs.hardLink(src, dst); }
java
public boolean hardLink(Path src, Path dst) throws IOException { return fs.hardLink(src, dst); }
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hard link Path dst to Path src. Can take place on DFS.
[ "hard", "link", "Path", "dst", "to", "Path", "src", ".", "Can", "take", "place", "on", "DFS", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/fs/FilterFileSystem.java#L188-L190
118,083
facebookarchive/hadoop-20
src/core/org/apache/hadoop/fs/FilterFileSystem.java
FilterFileSystem.rename
public boolean rename(Path src, Path dst) throws IOException { return fs.rename(src, dst); }
java
public boolean rename(Path src, Path dst) throws IOException { return fs.rename(src, dst); }
[ "public", "boolean", "rename", "(", "Path", "src", ",", "Path", "dst", ")", "throws", "IOException", "{", "return", "fs", ".", "rename", "(", "src", ",", "dst", ")", ";", "}" ]
Renames Path src to Path dst. Can take place on local fs or remote DFS.
[ "Renames", "Path", "src", "to", "Path", "dst", ".", "Can", "take", "place", "on", "local", "fs", "or", "remote", "DFS", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/fs/FilterFileSystem.java#L200-L202
118,084
facebookarchive/hadoop-20
src/core/org/apache/hadoop/fs/FilterFileSystem.java
FilterFileSystem.copyFromLocalFile
public void copyFromLocalFile(boolean delSrc, boolean overwrite, Path[] srcs, Path dst) throws IOException { fs.copyFromLocalFile(delSrc, overwrite, srcs, dst); }
java
public void copyFromLocalFile(boolean delSrc, boolean overwrite, Path[] srcs, Path dst) throws IOException { fs.copyFromLocalFile(delSrc, overwrite, srcs, dst); }
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The src files are on the local disk. Add it to FS at the given dst name. delSrc indicates if the source should be removed
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/fs/FilterFileSystem.java#L321-L325
118,085
facebookarchive/hadoop-20
src/core/org/apache/hadoop/fs/FilterFileSystem.java
FilterFileSystem.copyToLocalFile
public void copyToLocalFile(boolean delSrc, Path src, Path dst) throws IOException { fs.copyToLocalFile(delSrc, src, dst); }
java
public void copyToLocalFile(boolean delSrc, Path src, Path dst) throws IOException { fs.copyToLocalFile(delSrc, src, dst); }
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The src file is under FS, and the dst is on the local disk. Copy it from FS control to the local dst name. delSrc indicates if the src will be removed or not.
[ "The", "src", "file", "is", "under", "FS", "and", "the", "dst", "is", "on", "the", "local", "disk", ".", "Copy", "it", "from", "FS", "control", "to", "the", "local", "dst", "name", ".", "delSrc", "indicates", "if", "the", "src", "will", "be", "remove...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/fs/FilterFileSystem.java#L343-L346
118,086
facebookarchive/hadoop-20
src/core/org/apache/hadoop/fs/FilterFileSystem.java
FilterFileSystem.startLocalOutput
public Path startLocalOutput(Path fsOutputFile, Path tmpLocalFile) throws IOException { return fs.startLocalOutput(fsOutputFile, tmpLocalFile); }
java
public Path startLocalOutput(Path fsOutputFile, Path tmpLocalFile) throws IOException { return fs.startLocalOutput(fsOutputFile, tmpLocalFile); }
[ "public", "Path", "startLocalOutput", "(", "Path", "fsOutputFile", ",", "Path", "tmpLocalFile", ")", "throws", "IOException", "{", "return", "fs", ".", "startLocalOutput", "(", "fsOutputFile", ",", "tmpLocalFile", ")", ";", "}" ]
Returns a local File that the user can write output to. The caller provides both the eventual FS target name and the local working file. If the FS is local, we write directly into the target. If the FS is remote, we write into the tmp local area.
[ "Returns", "a", "local", "File", "that", "the", "user", "can", "write", "output", "to", ".", "The", "caller", "provides", "both", "the", "eventual", "FS", "target", "name", "and", "the", "local", "working", "file", ".", "If", "the", "FS", "is", "local", ...
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/fs/FilterFileSystem.java#L354-L357
118,087
facebookarchive/hadoop-20
src/core/org/apache/hadoop/fs/FilterFileSystem.java
FilterFileSystem.completeLocalOutput
public void completeLocalOutput(Path fsOutputFile, Path tmpLocalFile) throws IOException { fs.completeLocalOutput(fsOutputFile, tmpLocalFile); }
java
public void completeLocalOutput(Path fsOutputFile, Path tmpLocalFile) throws IOException { fs.completeLocalOutput(fsOutputFile, tmpLocalFile); }
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Called when we're all done writing to the target. A local FS will do nothing, because we've written to exactly the right place. A remote FS will copy the contents of tmpLocalFile to the correct target at fsOutputFile.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/core/org/apache/hadoop/fs/FilterFileSystem.java#L365-L368
118,088
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java
LocalStore.insert
public void insert(EventRecord er) { SerializedRecord sr = new SerializedRecord(er); try { Anonymizer.anonymize(sr); } catch (Exception e) { e.printStackTrace(); } append(sr); }
java
public void insert(EventRecord er) { SerializedRecord sr = new SerializedRecord(er); try { Anonymizer.anonymize(sr); } catch (Exception e) { e.printStackTrace(); } append(sr); }
[ "public", "void", "insert", "(", "EventRecord", "er", ")", "{", "SerializedRecord", "sr", "=", "new", "SerializedRecord", "(", "er", ")", ";", "try", "{", "Anonymizer", ".", "anonymize", "(", "sr", ")", ";", "}", "catch", "(", "Exception", "e", ")", "{...
Insert an EventRecord to the local storage, after it gets serialized and anonymized. @param er the EventRecord to be inserted
[ "Insert", "an", "EventRecord", "to", "the", "local", "storage", "after", "it", "gets", "serialized", "and", "anonymized", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java#L114-L122
118,089
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java
LocalStore.pack
public static StringBuffer pack(SerializedRecord sr) { StringBuffer sb = new StringBuffer(); ArrayList<String> keys = new ArrayList<String>(sr.fields.keySet()); if (sr.isValid()) SerializedRecord.arrangeKeys(keys); for (int i = 0; i < keys.size(); i++) { String value = sr.fields.get(keys....
java
public static StringBuffer pack(SerializedRecord sr) { StringBuffer sb = new StringBuffer(); ArrayList<String> keys = new ArrayList<String>(sr.fields.keySet()); if (sr.isValid()) SerializedRecord.arrangeKeys(keys); for (int i = 0; i < keys.size(); i++) { String value = sr.fields.get(keys....
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Pack a SerializedRecord into an array of bytes @param sr the SerializedRecord to be packed
[ "Pack", "a", "SerializedRecord", "into", "an", "array", "of", "bytes" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java#L150-L164
118,090
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java
LocalStore.upload
public void upload() { try { writer.flush(); if (compress) zipCompress(filename); String remoteName = "failmon-"; if ("true".equalsIgnoreCase(Environment.getProperty("anonymizer.hash.hostnames"))) remoteName += Anonymizer.getMD5Hash(InetAddress.getLocalHost().getCanonicalHost...
java
public void upload() { try { writer.flush(); if (compress) zipCompress(filename); String remoteName = "failmon-"; if ("true".equalsIgnoreCase(Environment.getProperty("anonymizer.hash.hostnames"))) remoteName += Anonymizer.getMD5Hash(InetAddress.getLocalHost().getCanonicalHost...
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Upload the local file store into HDFS, after it compressing it. Then a new local file is created as a temporary record store.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java#L172-L199
118,091
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java
LocalStore.zipCompress
public static void zipCompress(String filename) throws IOException { FileOutputStream fos = new FileOutputStream(filename + COMPRESSION_SUFFIX); CheckedOutputStream csum = new CheckedOutputStream(fos, new CRC32()); ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(csum)); out.setComment...
java
public static void zipCompress(String filename) throws IOException { FileOutputStream fos = new FileOutputStream(filename + COMPRESSION_SUFFIX); CheckedOutputStream csum = new CheckedOutputStream(fos, new CRC32()); ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(csum)); out.setComment...
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Compress a text file using the ZIP compressing algorithm. @param filename the path to the file to be compressed
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java#L206-L221
118,092
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java
LocalStore.copyToHDFS
public static void copyToHDFS(String localFile, String hdfsFile) throws IOException { String hadoopConfPath; if (Environment.getProperty("hadoop.conf.path") == null) hadoopConfPath = "../../../conf"; else hadoopConfPath = Environment.getProperty("hadoop.conf.path"); // Read the configura...
java
public static void copyToHDFS(String localFile, String hdfsFile) throws IOException { String hadoopConfPath; if (Environment.getProperty("hadoop.conf.path") == null) hadoopConfPath = "../../../conf"; else hadoopConfPath = Environment.getProperty("hadoop.conf.path"); // Read the configura...
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Copy a local file to HDFS @param localFile the filename of the local file @param hdfsFile the HDFS filename to copy to
[ "Copy", "a", "local", "file", "to", "HDFS" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/LocalStore.java#L229-L254
118,093
facebookarchive/hadoop-20
src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/Anonymizer.java
Anonymizer.getMD5Hash
public static String getMD5Hash(String text) { MessageDigest md; byte[] md5hash = new byte[32]; try { md = MessageDigest.getInstance("MD5"); md.update(text.getBytes("iso-8859-1"), 0, text.length()); md5hash = md.digest(); } catch (NoSuchAlgorithmException e) { e.printStackTrace()...
java
public static String getMD5Hash(String text) { MessageDigest md; byte[] md5hash = new byte[32]; try { md = MessageDigest.getInstance("MD5"); md.update(text.getBytes("iso-8859-1"), 0, text.length()); md5hash = md.digest(); } catch (NoSuchAlgorithmException e) { e.printStackTrace()...
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Create the MD5 digest of an input text. @param text the input text @return the hexadecimal representation of the MD5 digest
[ "Create", "the", "MD5", "digest", "of", "an", "input", "text", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/failmon/src/java/org/apache/hadoop/contrib/failmon/Anonymizer.java#L123-L136
118,094
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/ListPathsServlet.java
ListPathsServlet.writeInfo
static void writeInfo(String parent, HdfsFileStatus i, XMLOutputter doc) throws IOException { final SimpleDateFormat ldf = df.get(); doc.startTag(i.isDir() ? "directory" : "file"); doc.attribute("path", i.getFullPath(new Path(parent)).toUri().getPath()); doc.attribute("modified", ldf.format(new Date(i.g...
java
static void writeInfo(String parent, HdfsFileStatus i, XMLOutputter doc) throws IOException { final SimpleDateFormat ldf = df.get(); doc.startTag(i.isDir() ? "directory" : "file"); doc.attribute("path", i.getFullPath(new Path(parent)).toUri().getPath()); doc.attribute("modified", ldf.format(new Date(i.g...
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Write a node to output. Node information includes path, modification, permission, owner and group. For files, it also includes size, replication and block-size.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/ListPathsServlet.java#L64-L79
118,095
facebookarchive/hadoop-20
src/hdfs/org/apache/hadoop/hdfs/server/namenode/ListPathsServlet.java
ListPathsServlet.buildRoot
protected Map<String,String> buildRoot(HttpServletRequest request, XMLOutputter doc) { final String path = request.getPathInfo() != null ? request.getPathInfo() : "/"; final String exclude = request.getParameter("exclude") != null ? request.getParameter("exclude") : "\\..*\\.crc"; final St...
java
protected Map<String,String> buildRoot(HttpServletRequest request, XMLOutputter doc) { final String path = request.getPathInfo() != null ? request.getPathInfo() : "/"; final String exclude = request.getParameter("exclude") != null ? request.getParameter("exclude") : "\\..*\\.crc"; final St...
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Build a map from the query string, setting values and defaults.
[ "Build", "a", "map", "from", "the", "query", "string", "setting", "values", "and", "defaults", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/hdfs/org/apache/hadoop/hdfs/server/namenode/ListPathsServlet.java#L84-L103
118,096
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/PlacementMonitor.java
PlacementMonitor.shouldSubmitMove
private boolean shouldSubmitMove(PolicyInfo policy, Map<String, Integer> nodeToNumBlocks, List<BlockInfo> stripeBlocks) { if (policy == null) { return true; } int targetRepl = Integer.parseInt(policy.getProperty("targetReplication")); int parityRepl = Integer.parseInt(policy.getPr...
java
private boolean shouldSubmitMove(PolicyInfo policy, Map<String, Integer> nodeToNumBlocks, List<BlockInfo> stripeBlocks) { if (policy == null) { return true; } int targetRepl = Integer.parseInt(policy.getProperty("targetReplication")); int parityRepl = Integer.parseInt(policy.getPr...
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We will not submit more block move if the namenode hasn't deleted the over replicated blocks yet.
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2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/PlacementMonitor.java#L566-L595
118,097
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/BlockIntegrityMonitor.java
BlockIntegrityMonitor.incrNumBlockFixSimulationSuccess
protected synchronized void incrNumBlockFixSimulationSuccess(long incr) { if (incr < 0) { throw new IllegalArgumentException("Cannot increment by negative value " + incr); } RaidNodeMetrics.getInstance(RaidNodeMetrics.DEFAULT_NAMESPACE_ID). blockFixS...
java
protected synchronized void incrNumBlockFixSimulationSuccess(long incr) { if (incr < 0) { throw new IllegalArgumentException("Cannot increment by negative value " + incr); } RaidNodeMetrics.getInstance(RaidNodeMetrics.DEFAULT_NAMESPACE_ID). blockFixS...
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Increments the number of new code file fixing verification success
[ "Increments", "the", "number", "of", "new", "code", "file", "fixing", "verification", "success" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockIntegrityMonitor.java#L189-L198
118,098
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/BlockIntegrityMonitor.java
BlockIntegrityMonitor.incrNumBlockFixSimulationFailures
protected synchronized void incrNumBlockFixSimulationFailures(long incr) { if (incr < 0) { throw new IllegalArgumentException("Cannot increment by negative value " + incr); } RaidNodeMetrics.getInstance(RaidNodeMetrics.DEFAULT_NAMESPACE_ID). blockFix...
java
protected synchronized void incrNumBlockFixSimulationFailures(long incr) { if (incr < 0) { throw new IllegalArgumentException("Cannot increment by negative value " + incr); } RaidNodeMetrics.getInstance(RaidNodeMetrics.DEFAULT_NAMESPACE_ID). blockFix...
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Increments the number of new code file fixing verification failures
[ "Increments", "the", "number", "of", "new", "code", "file", "fixing", "verification", "failures" ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockIntegrityMonitor.java#L210-L219
118,099
facebookarchive/hadoop-20
src/contrib/raid/src/java/org/apache/hadoop/raid/BlockIntegrityMonitor.java
BlockIntegrityMonitor.incrFileFixFailures
protected synchronized void incrFileFixFailures(long incr) { if (incr < 0) { throw new IllegalArgumentException("Cannot increment by negative value " + incr); } RaidNodeMetrics.getInstance(RaidNodeMetrics.DEFAULT_NAMESPACE_ID).fileFixFailures.inc(incr); ...
java
protected synchronized void incrFileFixFailures(long incr) { if (incr < 0) { throw new IllegalArgumentException("Cannot increment by negative value " + incr); } RaidNodeMetrics.getInstance(RaidNodeMetrics.DEFAULT_NAMESPACE_ID).fileFixFailures.inc(incr); ...
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Increments the number of corrupt file fixing failures.
[ "Increments", "the", "number", "of", "corrupt", "file", "fixing", "failures", "." ]
2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4
https://github.com/facebookarchive/hadoop-20/blob/2a29bc6ecf30edb1ad8dbde32aa49a317b4d44f4/src/contrib/raid/src/java/org/apache/hadoop/raid/BlockIntegrityMonitor.java#L239-L247