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https://issues.apache.org/jira/browse/YARN-4779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15883033#comment-15883033
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Hudson commented on YARN-4779:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11301 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11301/])
YARN-4779. Fix AM container allocation logic in SLS. Contributed by (sunilg:
rev b32ffa2753e83615b980721b6067fcc35ce54372)
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/appmaster/MRAMSimulator.java
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/appmaster/AMSimulator.java
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/SLSRunner.java
* (add)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/resourcemanager/MockAMLauncher.java
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSCapacityScheduler.java
> Fix AM container allocation logic in SLS
> ----------------------------------------
>
> Key: YARN-4779
> URL: https://issues.apache.org/jira/browse/YARN-4779
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler-load-simulator
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Labels: oct16-medium
> Fix For: 3.0.0-alpha3
>
> Attachments: YARN-4779.1.patch, YARN-4779.2.patch, YARN-4779.3.patch,
> YARN-4779.4.patch, YARN-4779.5.patch
>
>
> Currently, SLS uses unmanaged AM for simulated map-reduce applications. And
> first allocated container for each app is considered to be the master
> container.
> This could be problematic when preemption happens. CapacityScheduler preempt
> AM container at lowest priority, but the simulated AM container isn't
> recognized by scheduler -- it is a normal container from scheduler's
> perspective.
> This JIRA tries to fix this logic: do the real AM allocation instead of using
> unmanaged AM.
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