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https://issues.apache.org/jira/browse/MAPREDUCE-2592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J updated MAPREDUCE-2592:
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Attachment: MAPREDUCE-2592.r1.diff
A WIP patch that makes the log creating method throw an IOE instead of simply
logging a WARN.
No tests added yet. Would appreciate some help on writing one!
> TT should fail task immediately if userlog dir cannot be created
> ----------------------------------------------------------------
>
> Key: MAPREDUCE-2592
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2592
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: tasktracker
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Harsh J
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2592.r1.diff
>
>
> Currently, TaskRunner will log the message "mkdirs failed. Ignoring" if it
> fails to mkdir the userlog directory for a task. Then, it goes on to spawn
> taskjvm.sh which tries to redirect output into the userlogs dir, thus failing
> with exit code 1. This leads to error messages that are very hard to diagnose
> ("task failed with exit status 1") in cases where the userlog directory has
> either become inaccessible or has reached the maximum number of dirents
> (32000 in ext3)
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