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https://issues.apache.org/jira/browse/YARN-10537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xie YiFan updated YARN-10537:
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Priority: Minor (was: Major)
> Change type of LogAggregationService threadPool
> -----------------------------------------------
>
> Key: YARN-10537
> URL: https://issues.apache.org/jira/browse/YARN-10537
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Xie YiFan
> Priority: Minor
>
> Now, LogAggregationService threadPool is FixedThreadPool which of default
> threadPoolSize is 100. LogAggregationService will construct AppLogAggregator
> for new come application and submit to threadPool. AppLogAggregator do while
> loop unitl application finished. Some application may run very long time due
> to reason such as no enough resource or other. As result, it occupy one
> thread of threadPool. When this application size greater than threadPoolSize,
> the later short-live application can't upload logs until previous long-live
> application finished. So, i think we should replace FixedThreadPool to
> CachedThreadPool.
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