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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1845) Elapsed time for failed tasks that never started is wrong
Date Tue, 18 Mar 2014 15:03:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-1845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13939335#comment-13939335
] 

Hudson commented on YARN-1845:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #1730 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1730/])
YARN-1845. Elapsed time for failed tasks that never started is wrong (Rushabh S Shah via jeagles)
(jeagles: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1578459)
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestTimes.java
YARN-1845. Elapsed time for failed tasks that never started is wrong (Rushabh S Shah via jeagles)
(jeagles: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1578457)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/Times.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/webapps/static/yarn.dt.plugins.js


>  Elapsed time for failed tasks that never started is  wrong 
> ------------------------------------------------------------
>
>                 Key: YARN-1845
>                 URL: https://issues.apache.org/jira/browse/YARN-1845
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 0.23.9
>            Reporter: Rushabh S Shah
>            Assignee: Rushabh S Shah
>             Fix For: 3.0.0, 2.5.0
>
>         Attachments: MAPREDUCE-5797-v3.patch, patch-MapReduce-5797-v2.patch, patch-MapReduce-5797-v2.patch,
patch-MapReduce-5797.patch
>
>
> The elapsed time for tasks in a failed job that were never
> started can be way off.  It looks like we're marking the start time as the
> beginning of the epoch (i.e.: start time = -1) but the finish time is when the
> task was marked as failed when the whole job failed.  That causes the
> calculated elapsed time of the task to be a ridiculous number of hours.
> Tasks that fail without any attempts shouldn't have start/finish/elapsed times.



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