You are viewing a plain text version of this content. The canonical link for it is here.
Posted to yarn-issues@hadoop.apache.org by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org> on 2015/09/02 20:30:46 UTC
[jira] [Updated] (YARN-3487) CapacityScheduler scheduler lock
obtained unnecessarily when calling getQueue
[ https://issues.apache.org/jira/browse/YARN-3487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli updated YARN-3487:
------------------------------------------
Fix Version/s: 2.6.1
Pulled this into 2.6.1. Ran compilation before the push. Patch applied cleanly.
> 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, 2.7.1
>
> 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)