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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1514) Utility to benchmark ZKRMStateStore#loadState for ResourceManager-HA
Date Mon, 24 Feb 2014 20:39:24 GMT

     [ https://issues.apache.org/jira/browse/YARN-1514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated YARN-1514:
--------------------------------

    Fix Version/s:     (was: 2.3.0)
                   2.4.0

> 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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