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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2394) FairScheduler: Configure fairSharePreemptionThreshold per queue
Date Sun, 31 Aug 2014 02:16:53 GMT

    [ https://issues.apache.org/jira/browse/YARN-2394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14116600#comment-14116600
] 

Hadoop QA commented on YARN-2394:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12665585/YARN-2394-4.patch
  against trunk revision 258c7d0.

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

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesAppsModification
                  org.apache.hadoop.yarn.server.resourcemanager.TestApplicationACLs
                  org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesNodes

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/4789//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4789//console

This message is automatically generated.

> FairScheduler: Configure fairSharePreemptionThreshold per queue
> ---------------------------------------------------------------
>
>                 Key: YARN-2394
>                 URL: https://issues.apache.org/jira/browse/YARN-2394
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: fairscheduler
>            Reporter: Ashwin Shankar
>            Assignee: Wei Yan
>         Attachments: YARN-2394-1.patch, YARN-2394-2.patch, YARN-2394-3.patch, YARN-2394-4.patch
>
>
> Preemption based on fair share starvation happens when usage of a queue is less than
50% of its fair share. This 50% is hardcoded. We'd like to make this configurable on a per
queue basis, so that we can choose the threshold at which we want to preempt. Calling this
config "fairSharePreemptionThreshold". 



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