[jira] [Commented] (MAPREDUCE-6793) io.sort.factor code default and mapred-default.xml values inconsistent

["Prabhu Joseph (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15610708#comment-15610708 ] 

Prabhu Joseph commented on MAPREDUCE-6793:
------------------------------------------

Hi [~jira.shegalov], i would like to provide a patch for this. Assigned it to me. 

> 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: 2.6.5, 3.0.0-alpha1
>            Reporter: Gera Shegalov
>            Assignee: Prabhu Joseph
>            Priority: Trivial
>              Labels: noob
>         Attachments: 0001-MAPREDUCE-6793.patch
>
>
> 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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