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https://issues.apache.org/jira/browse/MAPREDUCE-4283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated MAPREDUCE-4283:
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Status: Open (was: Patch Available)
Canceling patch to address review comments.
> Display tail of aggregated logs by default
> ------------------------------------------
>
> Key: MAPREDUCE-4283
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4283
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobhistoryserver, mrv2
> Affects Versions: 0.23.3, 2.1.0-alpha
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Attachments: MAPREDUCE-4283.patch, MAPREDUCE-4283.patch,
> MAPREDUCE-4283.patch
>
>
> Similar to the manner in which the nodemanager webUI displays container logs,
> it would be very useful if the historyserver showed the trailing 4K or so of
> the aggregated logs with a link to see the full log.
> When debugging issues the relevant errors are usually at the end of the log,
> so showing just the last few K can enable quick diagnosis without waiting for
> what can be many megabytes of log data to download.
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