[jira] [Commented] (MAPREDUCE-2129) Job may hang if mapreduce.job.committer.setup.cleanup.needed=false and mapreduce.map/reduce.failures.maxpercent>0

["Subroto Sanyal (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13078576#comment-13078576 ] 

Subroto Sanyal commented on MAPREDUCE-2129:
-------------------------------------------

Hi Kang,
Can you please provide more specific test case about this problem?
I have tried the same scenario with 111 Maps and 0 Reduces (Modified WordCount). The issue didn't get reproduced.
Following conf was added in mapred-site.xml:
{noformat}
<property>
  <name>mapreduce.job.committer.setup.cleanup.needed</name>
  <value>false</value>
  <description> true, if job needs job-setup and job-cleanup.
                false, otherwise  
  </description>
</property>

<property>
  <name>mapreduce.map.failures.maxpercent</name>
  <value>5</value>
  <description></description>
  </property>
{noformat}


> Job may hang if mapreduce.job.committer.setup.cleanup.needed=false and mapreduce.map/reduce.failures.maxpercent>0
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2129
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2129
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.20.1, 0.20.2, 0.20.3, 0.21.0, 0.21.1, 0.22.0
>            Reporter: Kang Xiao
>         Attachments: MAPREDUCE-2129.patch
>
>
> Job may hang at RUNNING state if mapreduce.job.committer.setup.cleanup.needed=false and mapreduce.map/reduce.failures.maxpercent>0. It happens when some tasks fail but havent reached failures.maxpercent.

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