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https://issues.apache.org/jira/browse/MAPREDUCE-3678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13187487#comment-13187487
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Bejoy KS commented on MAPREDUCE-3678:
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Ya it is available in taskdetails.jsp . But when we have a large number of jobs
running on our cluster in a matter of half an hour the jobs would be in history
and in in jobtaskshistory.jsp there are only the following values
-Task Id
-Start Time
-Finish Time
-Error
Can we have one more filed here similar to status in taskdetails.jsp that
would show the input split it processed as well.
Once the job is in history viewer currently do we have any option to find this
information?
> The Map tasks logs should have the value of input split it processed
> --------------------------------------------------------------------
>
> Key: MAPREDUCE-3678
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3678
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: nodemanager, tasktracker
> Affects Versions: 0.20.203.0, 0.20.205.0, 1.0.0
> Environment: Linux red hat.
> Reporter: Bejoy KS
>
> It would be easier to debug some corner in tasks if we knew what was the
> input split processed by that task. Map reduce task tracker log should
> accommodate the same. Also in the jobdetails web UI, the split also should be
> displayed along with the Split Locations.
> Sample as
> Input Split
> hdfs://myserver:9000/userdata/sampleapp/inputdir/file1.csv - <split
> no>/<offset from beginning of file>
> This would be much beneficial to nail down some data quality issues in large
> data volume processing.
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