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https://issues.apache.org/jira/browse/MAPREDUCE-1482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat updated MAPREDUCE-1482:
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Attachment: mapreduce-1482-v1.7.patch
Attaching a new patch for review. In this patch, the state-strings and
diag-infos are logged only when they overflow and trimming is involved. Note
that at the jobtracker, these strings will always be trimmed before sending and
hence no info will be logged in heartbeats. test-patch and ant tests passed on
my box.
> Better handling of task diagnostic information stored in the TaskInProgress
> ---------------------------------------------------------------------------
>
> Key: MAPREDUCE-1482
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1482
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Attachments: mapreduce-1482-v1.1.patch, mapreduce-1482-v1.2.patch,
> mapreduce-1482-v1.3.patch, mapreduce-1482-v1.7.patch
>
>
> Task diagnostic information can be very large at times eating up Jobtracker's
> memory. There should be some way to avoid storing large error strings in
> JobTracker.
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