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https://issues.apache.org/jira/browse/YARN-7693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16310402#comment-16310402
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Arun Suresh commented on YARN-7693:
-----------------------------------
I agree with [[email protected]], there are better ways, as he has
listed, to do this than plug in a new monitor. Also, do take a look at the
{{ResourceUtilizationTracker}} interface, which was actually designed to be
pluggable (although we havn't externalized any config. variable for it). It is
used by the ContainerScheduler to decide if there are resources available to
start a container.
> ContainersMonitor support configurable
> --------------------------------------
>
> Key: YARN-7693
> URL: https://issues.apache.org/jira/browse/YARN-7693
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: nodemanager
> Reporter: Jiandan Yang
> Assignee: Jiandan Yang
> Priority: Minor
> Attachments: YARN-7693.001.patch, YARN-7693.002.patch
>
>
> Currently ContainersMonitor has only one default implementation
> ContainersMonitorImpl,
> After introducing Opportunistic Container, ContainersMonitor needs to monitor
> system metrics and even dynamically adjust Opportunistic and Guaranteed
> resources in the cgroup, so another ContainersMonitor may need to be
> implemented.
> The current ContainerManagerImpl ContainersMonitorImpl direct new
> ContainerManagerImpl, so ContainersMonitor need to be configurable.
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