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Posted to yarn-issues@hadoop.apache.org by "Daniel Templeton (JIRA)" <ji...@apache.org> on 2017/10/26 22:53:00 UTC
[jira] [Updated] (YARN-7401) Reduce lock contention in
ClusterNodeTracker#getClusterCapacity()
[ https://issues.apache.org/jira/browse/YARN-7401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Templeton updated YARN-7401:
-----------------------------------
Description: Profiling the code shows massive latency in {{ClusterNodeTracker.getClusterCapacity()}} on getting the lock. (was: Profiling the code shows massive latency in {{ClusterNodeTracker.getClusterResource()}} on getting the lock.)
> Reduce lock contention in ClusterNodeTracker#getClusterCapacity()
> -----------------------------------------------------------------
>
> Key: YARN-7401
> URL: https://issues.apache.org/jira/browse/YARN-7401
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 3.1.0
> Reporter: Daniel Templeton
> Assignee: Daniel Templeton
> Attachments: YARN-7401.001.patch
>
>
> Profiling the code shows massive latency in {{ClusterNodeTracker.getClusterCapacity()}} on getting the lock.
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