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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5101) YARN_APPLICATION_UPDATED event is parsed in ApplicationHistoryManagerOnTimelineStore#convertToApplicationReport with reversed order
Date Thu, 06 Oct 2016 15:41:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-5101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15552265#comment-15552265
] 

Hudson commented on YARN-5101:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10556 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10556/])
YARN-5101. YARN_APPLICATION_UPDATED event is parsed in (rohithsharmaks: rev 4d2f380d787a6145f45c87ba663079fedbf645b8)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestApplicationHistoryManagerOnTimelineStore.java


> YARN_APPLICATION_UPDATED event is parsed in ApplicationHistoryManagerOnTimelineStore#convertToApplicationReport
with reversed order
> -----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-5101
>                 URL: https://issues.apache.org/jira/browse/YARN-5101
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.8.0
>            Reporter: Xuan Gong
>            Assignee: Sunil G
>             Fix For: 2.8.0
>
>         Attachments: YARN-5101.0001.patch, YARN-5101.0002.patch
>
>
> Right now, the application events are parsed in in ApplicationHistoryManagerOnTimelineStore#convertToApplicationReport
with timestamp descending order, which means the later events would be parsed first, and the
previous same type of events would override the information. In
> https://issues.apache.org/jira/browse/YARN-4044, we have introduced YARN_APPLICATION_UPDATED
events which might be submitted by RM multiple times in one application life cycle. This could
cause problem.



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