[
https://issues.apache.org/jira/browse/YARN-3487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Junping Du updated YARN-3487:
-----------------------------
Fix Version/s: 2.8.0
> CapacityScheduler scheduler lock obtained unnecessarily when calling getQueue
> -----------------------------------------------------------------------------
>
> Key: YARN-3487
> URL: https://issues.apache.org/jira/browse/YARN-3487
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler
> Affects Versions: 2.6.0
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Critical
> Labels: 2.6.1-candidate
> Fix For: 2.6.1, 2.8.0, 2.7.1, 3.0.0-alpha1
>
> Attachments: YARN-3487.001.patch, YARN-3487.002.patch,
> YARN-3487.003.patch
>
>
> Recently saw a significant slowdown of applications on a large cluster, and
> we noticed there were a large number of blocked threads on the RM. Most of
> the blocked threads were waiting for the CapacityScheduler lock while calling
> getQueueInfo.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
