Li Lu commented on YARN-3352:

Some quick descriptions moved from YARN-3034:

bq. my problem is mainly from the test distributed shell. Right now we're using 
very ad hoc ways to set which version of timeline service we're using. 
Currently we're using test names to distinguish timeline V1 and V2, and since 
both versions work on the same port, we need to explicitly disable one version 
to use the other. Instead of doing this in the test script each time, I'd hope 
that there are some global settings/logic on the server side to decide which 
exact version of timeline service to launch. All the tests need to do is to 
check (and set) the version of active timeline service and launch the mini YARN 

> [Event producers] Change distributed shell to use TIMELINE_SERVICE_VERSION
> --------------------------------------------------------------------------
>                 Key: YARN-3352
>                 URL: https://issues.apache.org/jira/browse/YARN-3352
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Li Lu
>            Assignee: Li Lu
> After YARN-3034, we have a new global configuration for active timeline 
> service version. We may want to use that new setting in distributed shell, 
> instead of a customized command-line setting. 

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