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https://issues.apache.org/jira/browse/MAPREDUCE-6975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16206187#comment-16206187
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Prabhu Joseph commented on MAPREDUCE-6975:
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[~Naganarasimha] Did some testing with failures cases. When AM fails,
Diagnostics from stderr is displayed at Client and RM UI side and this won't
have any logging of task counters. When task fails, there is no diagnostics
captured. As per the testing, did not see any confusion caused by logging of
task counters.
> Logging task counters
> ----------------------
>
> Key: MAPREDUCE-6975
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6975
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: task
> Affects Versions: 2.7.3
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Attachments: Log_Output, MAPREDUCE-6975.1.patch,
> MAPREDUCE-6975.2.patch, MAPREDUCE-6975.patch
>
>
> Logging counters for each task at the end of it's syslog will make debug
> easier with just application logs.
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