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https://issues.apache.org/jira/browse/MAPREDUCE-3398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13162563#comment-13162563
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Hitesh Shah commented on MAPREDUCE-3398:
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assertTrue("Renewal of canceled token didn't fail", false);
- could be replaced with a fail()
spelling mistake - DelayedTokenCacneller
Should we document that renewal/keep-alive time should always be 2x of node
heartbeat time?
Apart from the above minor nits, patch looks good.
> Log Aggregation broken in Secure Mode
> -------------------------------------
>
> Key: MAPREDUCE-3398
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3398
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, nodemanager
> Affects Versions: 0.23.0
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Priority: Critical
> Fix For: 0.23.1
>
> Attachments: MR3398_v1.txt
>
>
> Log aggregation in secure mode does not work with MAPREDUCE-2977. The
> nodemanager relies on the users credentials to write out logs to HDFS. These
> credentials are currently cancelled once a job completes, before the NM can
> write out the logs.
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