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From "Gera Shegalov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-6793) io.sort.factor code default and mapred-default.xml values inconsistent
Date Fri, 14 Oct 2016 22:03:21 GMT
Gera Shegalov created MAPREDUCE-6793:
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             Summary: io.sort.factor code default and mapred-default.xml values inconsistent
                 Key: MAPREDUCE-6793
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6793
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: task
    Affects Versions: 3.0.0-alpha1, 2.6.5
            Reporter: Gera Shegalov
            Priority: Trivial


The actual default value in mapred-default.xml:
{code}
<property>
  <name>mapreduce.task.io.sort.factor</name>
  <value>10</value>
  <description>The number of streams to merge at once while sorting
  files.  This determines the number of open file handles.</description>
</property>
{code}

However, MapTask and MergeManagerImpl, are coded with:
{code}       
 int mergeFactor = job.getInt(JobContext.IO_SORT_FACTOR, 100);
{code}





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