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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4731) Job is not removed from the waiting jobs queue upon completion.
Date Wed, 10 Dec 2008 04:24:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Hemanth Yamijala updated HADOOP-4731:

       Resolution: Fixed
    Fix Version/s:     (was: 0.20.0)
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

I just committed this to the Hadoop 0.19 branch. Thanks, Amar.

As noted above, this fix is required only for the Hadoop 0.19 branch. In Hadoop 0.20, other
changes to the code which are committed (HADOOP-4513 specifically) make this issue non-existent.

> Job is not removed from the waiting jobs queue upon completion.
> ---------------------------------------------------------------
>                 Key: HADOOP-4731
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4731
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/capacity-sched
>    Affects Versions: 0.19.0
>            Reporter: Hemanth Yamijala
>            Assignee: Amar Kamat
>             Fix For: 0.19.1
>         Attachments: HADOOP-4731-v1.1.patch, HADOOP-4731-v1.patch
> When a job completes, the {{JobQueueManager}} removes this job from it's internal structures,
which is a queue of the running jobs and waiting jobs. While the removal from the running
jobs happens correctly, the removal from the waiting jobs does not happen, if the job is still
in the PREP state. This was found while implementing HADOOP-4035, as described [by Vinod here|https://issues.apache.org/jira/browse/HADOOP-4035?focusedCommentId=12650879#action_12650879].
The change was introduced in HADOOP-4471, which I should have caught in the review. Sorry
about that !

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