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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1514) Utility to benchmark ZKRMStateStore#loadState for ResourceManager-HA
Date Wed, 18 Dec 2013 06:18:07 GMT
Tsuyoshi OZAWA created YARN-1514:
------------------------------------

             Summary: Utility to benchmark ZKRMStateStore#loadState for ResourceManager-HA
                 Key: YARN-1514
                 URL: https://issues.apache.org/jira/browse/YARN-1514
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Tsuyoshi OZAWA
            Assignee: Tsuyoshi OZAWA
             Fix For: 2.4.0


ZKRMStateStore is very sensitive to ZNode-related operations as discussed in YARN-1307, YARN-1378
and so on. Especially, ZKRMStateStore#loadState is called when RM-HA cluster does failover.
Therefore, its execution time impacts failover time of RM-HA.

We need utility to benchmark time execution time of ZKRMStateStore#loadStore as development
tool.



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