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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4481) User Log Retention across TT restarts
Date Thu, 26 Jul 2012 01:54:35 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422830#comment-13422830
] 

Harsh J commented on MAPREDUCE-4481:
------------------------------------

I could not reproduce this on 1.0.3. I restarted the TT, re-initialized it (via JT restart),
but the MR local directory userlogs/ still exist and continue to be symlinked inside the logs
dir (and nowhere in code can I find a full clean delete of TaskLog.USERLOGS_DIR_NAME presently).
Can you post some reproduce steps for this?
                
> User Log Retention across TT restarts
> -------------------------------------
>
>                 Key: MAPREDUCE-4481
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4481
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: tasktracker
>    Affects Versions: 1.0.0
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>            Priority: Minor
>
> The tasktrackers cleanup the userlog directory when they restart.
> This happens independent of value of mapred.userlog.retain.hours.
> The feature is to add a configurable feature to respect mapred.userlog.retain.hours across
TT restarts

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