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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2394) FairScheduler: Configure fairSharePreemptionThreshold per queue
Date Thu, 04 Sep 2014 11:23:52 GMT

    [ https://issues.apache.org/jira/browse/YARN-2394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14121255#comment-14121255
] 

Hudson commented on YARN-2394:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #670 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/670/])
YARN-2394. FairScheduler: Configure fairSharePreemptionThreshold per queue. (Wei Yan via kasha)
(kasha: rev 1dcaba9a7aa27f7ca4ba693e3abb56ab3c59c8a7)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/QueueManager.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSParentQueue.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/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationConfiguration.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSQueue.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestAllocationFileLoaderService.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSLeafQueue.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/FairScheduler.apt.vm
* 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/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFSLeafQueue.java
* hadoop-yarn-project/CHANGES.txt


> 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
>             Fix For: 2.6.0
>
>         Attachments: YARN-2394-1.patch, YARN-2394-2.patch, YARN-2394-3.patch, YARN-2394-4.patch,
YARN-2394-5.patch, YARN-2394-6.patch, YARN-2394-7.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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