Wilfred Spiegelenburg commented on YARN-10010:

The thread pool size is configurable via 
{{yarn.nodemanager.logaggregation.threadpool-size-max}} if you need more 
threads than you can set it higher.
I would recommend that you set it to a number almost as high as the number of 
simultaneous application you expect in the cluster. I cannot give you an exact 
number but 100 threads especially in larger clusters might not be enough.

Can we also close this as a dupe of YARN-8364 ?

> NM upload log cost too much time
> --------------------------------
>                 Key: YARN-10010
>                 URL: https://issues.apache.org/jira/browse/YARN-10010
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: zhoukang
>            Assignee: zhoukang
>            Priority: Major
>         Attachments: notfound.png
> Since thread pool size of log service is 100.
> Some times the log uploading service will delay for some apps.like below
>  !notfound.png! 

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