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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