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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1514) Utility to benchmark ZKRMStateStore#loadState for ResourceManager-HA
Date Fri, 06 Jun 2014 04:23:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-1514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14019561#comment-14019561
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Karthik Kambatla commented on YARN-1514:
----------------------------------------

The patch looks like a good first-cut. Could you add the configuration options as you mentioned?


> 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: 2.5.0
>
>         Attachments: YARN-1514.wip.patch
>
>
> 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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