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Posted to yarn-dev@hadoop.apache.org by "zhoujunkun (JIRA)" <ji...@apache.org> on 2013/12/05 07:00:38 UTC

[jira] [Created] (YARN-1476) Container out of memery

zhoujunkun created YARN-1476:
--------------------------------

             Summary: Container out of memery
                 Key: YARN-1476
                 URL: https://issues.apache.org/jira/browse/YARN-1476
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 2.2.0
         Environment: mapreduce.reduce.java.opts=-Xmx4000m 
mapreduce.reduce.shuffle.merge.percent=0.4
mapreduce.reduce.shuffle.parallelcopies=5
mapreduce.reduce.shuffle.input.buffer.percent=0.6
mapreduce.reduce.shuffle.memory.limit.percent=0.17
            Reporter: zhoujunkun


when I input 60G of random word, I run wordcount job, the stage of shuffle is error. the reduce is run 13%.
Container [pid=21073,containerID=container_1385657333160_0001_01_000073] is running beyond physical memory limits. Current usage: 4.0 GB of 4 GB physical memory used; 5.5 GB of 13 GB virtual memory used. Killing container. 
why do it need so much memory？




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