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From "Lavkesh Lahngir (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4750) App metrics may not be correct when and app is recovered
Date Tue, 01 Mar 2016 07:32:18 GMT
Lavkesh Lahngir created YARN-4750:
-------------------------------------

             Summary: App metrics may not be correct when and app is recovered
                 Key: YARN-4750
                 URL: https://issues.apache.org/jira/browse/YARN-4750
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Lavkesh Lahngir
            Assignee: Lavkesh Lahngir


App metrics(rather app attempt metrics) like Vcore-seconds and MB-seconds are saved in the
state store when there is an attempt state transition. Values for running attempts will be
in memory and will not be saved when there is an RM restart/failover. For recovered app metrics
value will be reset. In that case, the value will be incomplete. 

Was this intentional or have we not found a correct way to fix it ?




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