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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3231) FairScheduler: Changing queueMaxRunningApps interferes with pending jobs
Date Thu, 05 Mar 2015 15:50:47 GMT

    [ https://issues.apache.org/jira/browse/YARN-3231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14348965#comment-14348965
] 

Hudson commented on YARN-3231:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2073 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2073/])
YARN-3231. FairScheduler: Changing queueMaxRunningApps interferes with pending jobs. (Siqi
Li via kasha) (kasha: rev 22426a1c9f4bd616558089b6862fd34ab42d19a7)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/MaxRunningAppsEnforcer.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java
* hadoop-yarn-project/CHANGES.txt


> FairScheduler: Changing queueMaxRunningApps interferes with pending jobs
> ------------------------------------------------------------------------
>
>                 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
>             Fix For: 2.7.0
>
>         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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