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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4445) Wrong number of running map/reduce tasks are displayed in queue information.
Date Wed, 22 Oct 2008 06:52:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12641727#action_12641727
] 

Hemanth Yamijala commented on HADOOP-4445:
------------------------------------------

Once the number of tasks is incremented in the scheduler, we have assigned it to the TaskTracker.
So, when it comes back in the next heartbeat, this is going to be incremented on the JT. Is
this understanding correct ?

If yes, when the TTs come in for the next heartbeat, the difference in maps should not be
as high as shown in the bug comment. Is this happening ?

> Wrong number of running map/reduce tasks are displayed in queue information.
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-4445
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4445
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/capacity-sched
>    Affects Versions: 0.19.0
>         Environment: Hadoop r705159, Queue=default, GC=100% MapCapacity=ReduceCapacity=212
>            Reporter: Karam Singh
>            Assignee: Sreekanth Ramakrishnan
>
> Wrong number of running map/reduce tasks are displayed in queue information.

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