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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5278) Finish time of a TIP is incorrectly logged to the jobhistory upon jobtracker restart
Date Wed, 18 Feb 2009 13:21:01 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amar Kamat updated HADOOP-5278:
-------------------------------

    Attachment: HADOOP-5278-v1.0.patch

Attaching a patch the add another update line that overwrites the wrong finish-time with the
correct finish-time.

> Finish time of a TIP is incorrectly logged to the jobhistory upon jobtracker restart
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5278
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5278
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Amar Kamat
>         Attachments: HADOOP-5278-v1.0.patch
>
>
> Upon recovery, the jobtracker replays the attempt information to the JIP. Upon seeing
the attempt-end info, the JIP _completes_ the TIP (which sets the finish time to current time)
and logs it to the new jobhistory file (the _.recover_ file). After seeing the task(tip) finish
line, the recovery manager changes the finish time to correct finish time but the new jobhistory
file still contains the wrong value for the finish time seen while completing the TIP.

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