Difference between revisions of "Hadoop HUJI: Measurement Hook-Points"

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(Created page with '1.Mapper Input: * Location: org.apache.hadoop.hdfs.BlockReader.readChunk() 2.Reducer Input: * Location #1: org.apache.hadoop.mapreduce.task.reduce.Fetcher.shuffleToMemory() …')
 
(No difference)

Revision as of 15:09, 7 May 2011

1.Mapper Input:

  • Location: org.apache.hadoop.hdfs.BlockReader.readChunk()

2.Reducer Input:

  • Location #1: org.apache.hadoop.mapreduce.task.reduce.Fetcher.shuffleToMemory()
  • Location #2: org.apache.hadoop.mapreduce.task.reduce.Fetcher.shuffleToDisk()

3.HDFS Writes:

  • Location: org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock()