org.apache.hadoop.chukwa.inputtools
Class ChukwaTTInstru

java.lang.Object
  extended by TaskTrackerMetricsInst
      extended by org.apache.hadoop.chukwa.inputtools.ChukwaTTInstru

public class ChukwaTTInstru
extends TaskTrackerMetricsInst

An instrumentation plugin for Hadoop, to trigger Chukwa-based task logfile collection. WARNING: This code depends on hadoop features only available in 0.19. It won't do any good if you try to use it with an earlier Hadoop.


Constructor Summary
ChukwaTTInstru(org.apache.hadoop.mapred.TaskTracker t)
           
 
Method Summary
 void reportTaskEnd(org.apache.hadoop.mapred.TaskAttemptID taskid)
           
 void reportTaskLaunch(org.apache.hadoop.mapred.TaskAttemptID taskid, File stdout, File stderr)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ChukwaTTInstru

public ChukwaTTInstru(org.apache.hadoop.mapred.TaskTracker t)
Method Detail

reportTaskLaunch

public void reportTaskLaunch(org.apache.hadoop.mapred.TaskAttemptID taskid,
                             File stdout,
                             File stderr)

reportTaskEnd

public void reportTaskEnd(org.apache.hadoop.mapred.TaskAttemptID taskid)


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