Naganarasimha G R commented on YARN-3378:

Hi [~gtCarrera9], I think you took me wrongly its not that i am against having 
this jira and infact i feel this kind of test is very much important, as i 
faced similar issue with ATS V1 and i was checking with Zhijie. My intent was 
about reuse, IIUC YARN-2256, they too have MR task which takes arguments like 
number of mappers, number of bytes to send and the interval. and they are using 
Timeline client(v1) to post the entities based on these input. So my view was 
to take one more configuration here to take the ATS version to which to Entites 
needs to be posted (and other conf information related ATSV2) and make use of 
the same code to publish Data to ATS V2.  But if we are planning to have much 
more functionality then we might not be able reuse...

> a load test client that can replay a volume of history files
> ------------------------------------------------------------
>                 Key: YARN-3378
>                 URL: https://issues.apache.org/jira/browse/YARN-3378
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Li Lu
> It might be good to create a load test client that can replay a large volume 
> of history files into the timeline service. One can envision running such a 
> load test client as a mapreduce job and generate a fair amount of load. It 
> would be useful to spot check correctness, and more importantly observe 
> performance characteristic.

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