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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1057) java tasks are not honouring the value of mapred.userlog.limit.kb
Date Thu, 22 Oct 2009 10:52:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12768641#action_12768641
] 

Ravi Gummadi commented on MAPREDUCE-1057:
-----------------------------------------

I tried adding a test that runs child JVM that tries to log beyond the specified limit, but
it is not working because the index file log.index is created before stdout and stderr are
written to(by "tail -c <limit>" command). stdout and stderr are of correct size when
I manually checked. But because the content of log.index file is wrong, logs are not useful.
This new issue will be addressed in MAPREDUCE-1025.

> java tasks are not honouring the value of mapred.userlog.limit.kb
> -----------------------------------------------------------------
>
>                 Key: MAPREDUCE-1057
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1057
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.20.1, 0.21.0, 0.22.0
>            Reporter: Ravi Gummadi
>            Assignee: Ravi Gummadi
>             Fix For: 0.20.2
>
>         Attachments: MR-1057.patch, MR-1057.v1.patch
>
>
> Constructor of JvmEnv missed initializing logSize, which will be used as tailLength when
java command for the task is built.

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