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Posted to yarn-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2016/06/18 05:39:05 UTC
[jira] [Commented] (YARN-5077) Fix FSLeafQueue#getFairShare() for
queues with zero fairshare
[ https://issues.apache.org/jira/browse/YARN-5077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15337567#comment-15337567 ]
Hudson commented on YARN-5077:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #9981 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/9981/])
YARN-5077. Fix FSLeafQueue#getFairShare() for queues with zero (kasha: rev 20f2799938c5cad59f59617cdb0f86e137c3c2c0)
* 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-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/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/policies/FifoPolicy.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/policies/DominantResourceFairnessPolicy.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/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/SchedulingPolicy.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/policies/FairSharePolicy.java
> Fix FSLeafQueue#getFairShare() for queues with zero fairshare
> -------------------------------------------------------------
>
> Key: YARN-5077
> URL: https://issues.apache.org/jira/browse/YARN-5077
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Yufei Gu
> Assignee: Yufei Gu
> Fix For: 2.9.0
>
> Attachments: YARN-5077.001.patch, YARN-5077.002.patch, YARN-5077.003.patch, YARN-5077.004.patch, YARN-5077.005.patch, YARN-5077.006.patch, YARN-5077.007.patch, YARN-5077.008.patch, YARN-5077.009.patch, YARN-5077.010.patch
>
>
> 1) When a queue's weight is set to 0.0, FSLeafQueue#getFairShare() returns <memory:0, vCores:0>
> 2) When a queue's weight is nonzero, FSLeafQueue#getFairShare() returns <memory:16384, vCores:8>
> In case 1), that means no container ever gets allocated for an AM because from the viewpoint of the RM, there is never any headroom to allocate a container on that queue.
> For example, we have a pool with the following weights:
> - root.dev 0.0
> - root.product 1.0
> The root.dev is a best effort pool and should only get resources if root.product is not running. In our tests, with no jobs running under root.product, jobs started in root.dev queue stay stuck in ACCEPT phase and never start.
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