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https://issues.apache.org/jira/browse/MAPREDUCE-2589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13070916#comment-13070916
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Sherry Chen commented on MAPREDUCE-2589:
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Mahadev,
Per Bharath (Mundlapudi), his change in MAPREDUCE-2415 distributes TaskTracker
userlogs onto multiple
disks, it went into 0.20.204.
Changes in MAPREDUCE-2415 strengthened TaskTracker reliability with regard to
disk failures, also
have addOldUserLogsForDeletion() to add the job log directories for deletion
with default retain hours.
I tested with MAPREDUCE-2415 change in, all old job log directories will be
deleted after default retain hours.
I think my change here is not necessary, I would like to withdraw it. Is it OK
with you?
> TaskTracker not purging userlog directories
> -------------------------------------------
>
> Key: MAPREDUCE-2589
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2589
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.20.205.0
> Environment: 0.20.205
> Reporter: Sherry Chen
> Assignee: Sherry Chen
> Priority: Minor
> Fix For: 0.20.205.0
>
> Attachments: MAPREDUCE-2589.patch, MAPREDUCE-2589_1.patch,
> cleanup_userlogs.py
>
>
> UserLogCleaner is not robust. Leftover userlogs after a restart sometimes
> have to be manually
> cleaned. Things can accumulate over a period of time.
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