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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-5101) YARN_APPLICATION_UPDATED event is parsed in ApplicationHistoryManagerOnTimelineStore#convertToApplicationReport with reversed order
Date Tue, 17 May 2016 17:13:12 GMT
Xuan Gong created YARN-5101:
-------------------------------

             Summary: 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


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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