Changed Methods |
boolean canCommit(TaskAttemptID, JvmContext)
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Change in signature from TaskAttemptID to (TaskAttemptID, JvmContext ).
Change in exceptions thrown from no exceptions to java.io.IOException .
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Child checking whether it can commit |
void close()
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Change in exceptions thrown from java.io.IOException to (java.io.IOException, java.lang.InterruptedException ).
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Close down the TaskTracker and all its components. |
void commitPending(TaskAttemptID, TaskStatus, JvmContext)
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Change in signature from (TaskAttemptID, TaskStatus ) to (TaskAttemptID, TaskStatus, JvmContext ).
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Task is reporting that it is in commit_pending and it is waiting for the commit Response |
void done(TaskAttemptID, JvmContext)
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Change in signature from TaskAttemptID to (TaskAttemptID, JvmContext ).
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The task is done. |
void fsError(TaskAttemptID, String, JvmContext)
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Change in signature from (TaskAttemptID, String ) to (TaskAttemptID, String, JvmContext ).
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A child task had a local filesystem error. |
Class getInstrumentationClass(Configuration )
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Change in return type from (Class, extends, TaskTrackerInstrumentation> ) to Class .
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MapTaskCompletionEventsUpdate getMapCompletionEvents(JobID, int, int, TaskAttemptID, JvmContext)
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Change in signature from (JobID, int, int, TaskAttemptID ) to (JobID, int, int, TaskAttemptID, JvmContext ).
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JvmTask getTask(JvmContext )
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Change in signature from JVMId to JvmContext .
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Called upon startup by the child process to fetch Task data. |
boolean ping(TaskAttemptID, JvmContext)
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Change in signature from TaskAttemptID to (TaskAttemptID, JvmContext ).
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Child checking to see if we're alive. |
void reportDiagnosticInfo(TaskAttemptID, String, JvmContext)
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Change in signature from (TaskAttemptID, String ) to (TaskAttemptID, String, JvmContext ).
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Called when the task dies before completion and we want to report back diagnostic info |
void reportNextRecordRange(TaskAttemptID, Range, JvmContext)
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Change in signature from (TaskAttemptID, Range ) to (TaskAttemptID, Range, JvmContext ).
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void setInstrumentationClass(Configuration, Class)
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Change in signature from (Configuration, Class, extends, TaskTrackerInstrumentation> ) to (Configuration, Class ).
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void shuffleError(TaskAttemptID, String, JvmContext)
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Change in signature from (TaskAttemptID, String ) to (TaskAttemptID, String, JvmContext ).
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A reduce-task failed to shuffle the map-outputs. |
void shutdown()
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Change in exceptions thrown from java.io.IOException to (java.io.IOException, java.lang.InterruptedException ).
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boolean statusUpdate(TaskAttemptID, TaskStatus, JvmContext)
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Change in signature from (TaskAttemptID, TaskStatus ) to (TaskAttemptID, TaskStatus, JvmContext ).
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Called periodically to report Task progress from 0.0 to 1.0. |