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https://issues.apache.org/jira/browse/MAPREDUCE-4629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy closed MAPREDUCE-4629.
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> Remove JobHistory.DEBUG_MODE
> ----------------------------
>
> Key: MAPREDUCE-4629
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4629
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 1.0.3, 2.0.0-alpha
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Fix For: 1.2.0, 2.0.2-alpha
>
> Attachments: branch1-mr-4629.patch, MR-4629.patch, MR-4629.patch.v1,
> trunk-mr-6429.patch, trunk-mr-6429.patch
>
>
> Remove JobHistory.DEBUG_MODE for the following reasons:
> 1. No one seems to be using it - the config parameter corresponding to
> enabling it does not even exist in mapred-default.xml
> 2. The logging being done in DEBUG_MODE needs to move to LOG.debug() and
> LOG.trace()
> 3. Buggy handling of helper methods in DEBUG_MODE; e.g. directoryTime() and
> timestampDirectoryComponent().
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