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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3231) FairScheduler changing queueMaxRunningApps on the fly will cause all pending job stuck
Date Thu, 26 Feb 2015 23:42:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14339418#comment-14339418
] 

Hadoop QA commented on YARN-3231:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12701186/YARN-3231.v4.patch
  against trunk revision c6d5b37.

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

    {color:green}+1 tests included{color}.  The patch appears to include 1 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:red}-1 findbugs{color}.  The patch appears to introduce 5 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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/6767//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-YARN-Build/6767//artifact/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-resourcemanager.html
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6767//console

This message is automatically generated.

> FairScheduler changing queueMaxRunningApps on the fly will cause all pending job stuck
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-3231
>                 URL: https://issues.apache.org/jira/browse/YARN-3231
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Siqi Li
>            Assignee: Siqi Li
>            Priority: Critical
>         Attachments: YARN-3231.v1.patch, YARN-3231.v2.patch, YARN-3231.v3.patch, YARN-3231.v4.patch
>
>
> When a queue is piling up with a lot of pending jobs due to the maxRunningApps limit.
We want to increase this property on the fly to make some of the pending job active. However,
once we increase the limit, all pending jobs were not assigned any resource, and were stuck
forever.



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