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From "Peter Bacsko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6892) Issues with the count of failed/killed tasks in the jhist file
Date Thu, 25 May 2017 12:42:04 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16024681#comment-16024681
] 

Peter Bacsko commented on MAPREDUCE-6892:
-----------------------------------------

I uploaded first version of the patch. It's more like a POC at this point, I haven't added/modified
any tests (I run {{testHistoryParsingForFailedAttempts}} and the parsed {{JobInfo}} seems
to be correct).

> Issues with the count of failed/killed tasks in the jhist file
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-6892
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6892
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client, jobhistoryserver
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>         Attachments: MAPREDUCE-6892-001.patch
>
>
> Recently we encountered some issues with the value of failed tasks. After parsing the
jhist file, {{JobInfo.getFailedMaps()}} returned 0, but actually there were failures. 
> Another minor thing is that you cannot get the number of killed tasks (although this
can be calculated).
> The root cause is that {{JobUnsuccessfulCompletionEvent}} contains only the successful
map/reduce task counts. Number of failed (or killed) tasks are not stored.



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