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https://issues.apache.org/jira/browse/MAPREDUCE-4629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13450071#comment-13450071
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Alejandro Abdelnur commented on MAPREDUCE-4629:
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Karthik,
If DEBUG_MODE is there only for the purposes of reducing the hardcoded cleanup
time, then I agree we should make this configurable. Default value should be
the current 'non-debug' max age of 1 month. We should have a consistent
directory layout regardless of the cleanup time, I'd suggest using
yyyy/mm/dd-HH-MM, to avoid having a subdir explosion. the cleanup logic should
be smart enough to look at the necessary granularity in the name. Regarding the
printing of stack traces, those should be converted to LOG.trace() calls. Make
sense?
> In DEBUG_MODE, JobHistory#directoryTime() returns incorrect time
> ----------------------------------------------------------------
>
> Key: MAPREDUCE-4629
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4629
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 1.0.3
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: MR-4629.patch, MR-4629.patch.v1
>
>
> The helper methods in JobHistory - directoryTime() and
> timestampDirectoryComponent() - adjust the month field for readability (Jan
> is 0 as per Calendar, 1 for us)
> In DEBUG_MODE, JobHistory uses hour instead of month. However, the adjustment
> is still applied.
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