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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2395) FairScheduler: Preemption timeout should be configurable per queue
Date Fri, 29 Aug 2014 23:27:53 GMT

    [ https://issues.apache.org/jira/browse/YARN-2395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14116039#comment-14116039
] 

Hadoop QA commented on YARN-2395:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12665475/YARN-2395-5.patch
  against trunk revision 9ad413b.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
test files.

    {color:red}-1 javac{color:red}.  The patch appears to cause the build to fail.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4779//console

This message is automatically generated.

> FairScheduler: Preemption timeout should be configurable per queue
> ------------------------------------------------------------------
>
>                 Key: YARN-2395
>                 URL: https://issues.apache.org/jira/browse/YARN-2395
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: fairscheduler
>            Reporter: Ashwin Shankar
>            Assignee: Wei Yan
>         Attachments: YARN-2395-1.patch, YARN-2395-2.patch, YARN-2395-3.patch, YARN-2395-3.patch,
YARN-2395-4.patch, YARN-2395-5.patch, YARN-2395-5.patch
>
>
> Currently in fair scheduler, the preemption logic considers fair share starvation only
at leaf queue level. This jira is created to implement it at the parent queue as well.
> It involves :
> 1. Making "check for fair share starvation" and "amount of resource to preempt"  recursive
such that they traverse the queue hierarchy from root to leaf.
> 2. Currently fairSharePreemptionTimeout is a global config. We could make it configurable
on a per queue basis,so that we can specify different timeouts for parent queues.



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