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https://issues.apache.org/jira/browse/YARN-6451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15994042#comment-15994042
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Wangda Tan commented on YARN-6451:
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Thanks [~curino] for your responses.
I personally think #3 is the good way to go, I agree the approach to get
low-hanging fruit first via existing metrics-based mechanisms.
> Add RM monitor validating metrics invariants
> --------------------------------------------
>
> Key: YARN-6451
> URL: https://issues.apache.org/jira/browse/YARN-6451
> Project: Hadoop YARN
> Issue Type: New Feature
> Reporter: Carlo Curino
> Assignee: Carlo Curino
> Fix For: 3.0.0-alpha3
>
> Attachments: YARN-6451.v0.patch, YARN-6451.v1.patch,
> YARN-6451.v2.patch, YARN-6451.v3.patch, YARN-6451.v4.patch, YARN-6451.v5.patch
>
>
> For SLS runs, as well as for live test clusters (and maybe prod), it would be
> useful to have a mechanism to continuously check whether core invariants of
> the RM/Scheduler are respected (e.g., no priority inversions, fairness mostly
> respected, certain latencies within expected range, etc..)
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