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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4287) [mapred] jobqueue_details.jsp shows negative count of running and waiting reduces with CapacityTaskScheduler.
Date Mon, 13 Oct 2008 09:38:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638993#action_12638993
] 

Vinod K V commented on HADOOP-4287:
-----------------------------------

bq. Test case now waits till all the tasks of the job have reported failures.
It actually waits till all the tasks that are already launched get finished. Thus, it makes
sure that tasks that report back after job is failed won't decrement the count below zero.

Reviewed the patch. The test-case now looks fine. About the test-case time, it could have
been drastically reduced had we instead used fake objects for JT, TT etc., but I think it's
fine for now as it is.

+1.

> [mapred] jobqueue_details.jsp shows negative count of running and waiting reduces with
CapacityTaskScheduler.
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4287
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4287
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/capacity-sched
>            Reporter: Vinod K V
>            Assignee: Sreekanth Ramakrishnan
>            Priority: Blocker
>         Attachments: HADOOP-4287-1.patch, HADOOP-4287-2.patch, HADOOP-4287-3.patch
>
>
> This I observed while running a job that always fails because of reduce failures. Need
to investigate this.

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