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https://issues.apache.org/jira/browse/YARN-5077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15337567#comment-15337567
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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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