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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEZ-344) Support delayed scheduling for re-used containers
Date Thu, 15 Aug 2013 23:48:47 GMT

    [ https://issues.apache.org/jira/browse/TEZ-344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741687#comment-13741687
] 

Siddharth Seth commented on TEZ-344:
------------------------------------

bq. Do we intend to put only reused containers into the delayed list or even fresh containers
from the RM? If we are playing around with node vs rack locality we might need both. May be
easier to code too.
For now, only delayed containers. Eventually, this can be re-purposed for new containers as
well, and possibly all allocation runs.
                
> Support delayed scheduling for re-used containers
> -------------------------------------------------
>
>                 Key: TEZ-344
>                 URL: https://issues.apache.org/jira/browse/TEZ-344
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>              Labels: TEZ-0.2.0
>         Attachments: TEZ-344.2.txt, TEZ-344.wip.txt
>
>
> This, for now, is primarily to help with testing of Tez on clusters.
> Would have to go in with a warning since this could cause jobs to hang / run for a long
time.
> Longer term, this can be enhanced to set limits on how long to wait before assigning
non-local tasks.

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