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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3999) RM hangs on draing events
Date Wed, 12 Aug 2015 14:32:48 GMT

    [ https://issues.apache.org/jira/browse/YARN-3999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14693589#comment-14693589
] 

Hudson commented on YARN-3999:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2231 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2231/])
YARN-3999. RM hangs on draing events. Contributed by Jian He (xgong: rev 3ae716fa696b87e849dae40225dc59fb5ed114cb)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
* hadoop-yarn-project/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMActiveServiceContext.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/TestRMAppAttemptTransitions.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceManager.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/JvmPauseMonitor.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMContextImpl.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/logaggregationstatus/TestRMAppLogAggregationStatus.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/event/TestAsyncDispatcher.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestAppManager.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml


> RM hangs on draing events
> -------------------------
>
>                 Key: YARN-3999
>                 URL: https://issues.apache.org/jira/browse/YARN-3999
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>             Fix For: 2.7.2
>
>         Attachments: YARN-3999-branch-2.7.patch, YARN-3999.1.patch, YARN-3999.2.patch,
YARN-3999.2.patch, YARN-3999.3.patch, YARN-3999.4.patch, YARN-3999.5.patch, YARN-3999.patch,
YARN-3999.patch
>
>
> If external systems like ATS, or ZK becomes very slow, draining all the events take a
lot of time. If this time becomes larger than 10 mins, all applications will expire. Fixes
include:
> 1. add a timeout and stop the dispatcher even if not all events are drained.
> 2. Move ATS service out from RM active service so that RM doesn't need to wait for ATS
to flush the events when transitioning to standby.
> 3. Stop client-facing services (ClientRMService etc.) first so that clients get fast
notification that RM is stopping/transitioning.



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