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https://issues.apache.org/jira/browse/YARN-8122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16445952#comment-16445952
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Billie Rinaldi commented on YARN-8122:
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[~gsaha], thanks for addressing my previous comments. I have one additional
item I'd like to discuss, now that I have refamiliarized myself with the
Component/ComponentInstance code. I think we should consider whether or not
ComponentHealthThresholdMonitor should be a service that is added into the AM
CompositeService. For example, we are [scheduling the ContainerStatusRetriever
in the ServiceScheduler's thread
pool|https://github.com/apache/hadoop/blob/branch-3.1.0/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/component/instance/ComponentInstance.java#L146-L149].
We could be doing the same thing with the health threshold monitor tasks. This
would have the advantage of not creating a separate thread pool for each
component, when we don't know how many components the service might have.
> Component health threshold monitor
> ----------------------------------
>
> Key: YARN-8122
> URL: https://issues.apache.org/jira/browse/YARN-8122
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Gour Saha
> Assignee: Gour Saha
> Priority: Major
> Attachments: YARN-8122.001.patch, YARN-8122.002.patch,
> YARN-8122.003.patch, YARN-8122.004.patch, YARN-8122.draft.patch
>
>
> Slider supported component health threshold monitoring with SLIDER-1246. It
> would be good to have this feature for YARN Service too.
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