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https://issues.apache.org/jira/browse/YARN-9809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17145711#comment-17145711
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Eric Badger commented on YARN-9809:
-----------------------------------
Patch 006 moves {{ClusterMetrics.getMetrics().incrNumActiveNodes();}} into
{{reportNodeRunning}} inside of the addNodeTransition. This fixes the failing
unit test and prevents a scenario where we add an unhealthy node as RUNNING and
then quickly switching it to UNHEALTHY. This way we go straight to UNHEALTHY.
> NMs should supply a health status when registering with RM
> ----------------------------------------------------------
>
> Key: YARN-9809
> URL: https://issues.apache.org/jira/browse/YARN-9809
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Eric Badger
> Assignee: Eric Badger
> Priority: Major
> Attachments: YARN-9809.001.patch, YARN-9809.002.patch,
> YARN-9809.003.patch, YARN-9809.004.patch, YARN-9809.005.patch,
> YARN-9809.006.patch
>
>
> Currently if the NM registers with the RM and it is unhealthy, it can be
> scheduled many containers before the first heartbeat. After the first
> heartbeat, the RM will mark the NM as unhealthy and kill all of the
> containers.
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