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Posted to yarn-issues@hadoop.apache.org by "Tsuyoshi OZAWA (JIRA)" <ji...@apache.org> on 2014/09/05 00:11:23 UTC
[jira] [Commented] (YARN-1514) Utility to benchmark
ZKRMStateStore#loadState for ResourceManager-HA
[ https://issues.apache.org/jira/browse/YARN-1514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14122073#comment-14122073 ]
Tsuyoshi OZAWA commented on YARN-1514:
--------------------------------------
Confirmed that v5 patch can be applied to trunk.
> 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: 2.6.0
>
> Attachments: YARN-1514.1.patch, YARN-1514.2.patch, YARN-1514.3.patch, YARN-1514.4.patch, YARN-1514.4.patch, YARN-1514.5.patch, YARN-1514.wip-2.patch, 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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