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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6406) Remove SchedulerRequestKeys when no more pending ResourceRequest
Date Mon, 17 Apr 2017 15:41:42 GMT

    [ https://issues.apache.org/jira/browse/YARN-6406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15971180#comment-15971180
] 

Hudson commented on YARN-6406:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11591 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/11591/])
YARN-6406. Remove SchedulerRequestKeys when no more pending (wangda: rev 87e2ef8c985bb72a916477e8783359f2859f7890)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/placement/LocalitySchedulingPlacementSet.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/AppSchedulingInfo.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesApps.java


> Remove SchedulerRequestKeys when no more pending ResourceRequest
> ----------------------------------------------------------------
>
>                 Key: YARN-6406
>                 URL: https://issues.apache.org/jira/browse/YARN-6406
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 2.8.0, 2.7.3, 3.0.0-alpha2
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>             Fix For: 2.9.0, 3.0.0-alpha3
>
>         Attachments: YARN-6406.001.patch, YARN-6406.002.patch, YARN-6406-branch-2.001.patch,
YARN-6406-branch-2.002.patch, YARN-6406-branch-2.003.patch
>
>
> YARN-5540 introduced some optimizations to remove satisfied SchedulerKeys from the AppScheduleingInfo.
It looks like after YARN-6040, ScedulerRequestKeys are removed only if the Application sends
a 0 numContainers requests. While earlier, the outstanding schedulerKeys were also remove
as soon as a container is allocated as well.
> An additional optimization we were hoping to include is to remove the ResourceRequests
itself once the numContainers == 0, since we see in our clusters that the RM heap space consumption
increases drastically due to a large number of ResourceRequests with 0 num containers.



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