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https://issues.apache.org/jira/browse/YARN-2556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14563404#comment-14563404
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Chang Li commented on YARN-2556:
--------------------------------

[~sjlee0] Thanks so much for review and providing valuable suggestions! I have 
removed entityWriter from TimelineServicePerformance. For now we are going to 
have separate simpleEntityWriter and JobHistoryFileReplayMapper mappers 
files/classes for V1 and V2. Let me know what else I can try to make it better. 
Thanks!

> Tool to measure the performance of the timeline server
> ------------------------------------------------------
>
>                 Key: YARN-2556
>                 URL: https://issues.apache.org/jira/browse/YARN-2556
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Jonathan Eagles
>            Assignee: Chang Li
>              Labels: BB2015-05-TBR
>         Attachments: YARN-2556-WIP.patch, YARN-2556-WIP.patch, 
> YARN-2556.1.patch, YARN-2556.10.patch, YARN-2556.11.patch, YARN-2556.2.patch, 
> YARN-2556.3.patch, YARN-2556.4.patch, YARN-2556.5.patch, YARN-2556.6.patch, 
> YARN-2556.7.patch, YARN-2556.8.patch, YARN-2556.9.patch, YARN-2556.patch, 
> yarn2556.patch, yarn2556.patch, yarn2556_wip.patch
>
>
> We need to be able to understand the capacity model for the timeline server 
> to give users the tools they need to deploy a timeline server with the 
> correct capacity.
> I propose we create a mapreduce job that can measure timeline server write 
> and read performance. Transactions per second, I/O for both read and write 
> would be a good start.
> This could be done as an example or test job that could be tied into gridmix.



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