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Posted to yarn-issues@hadoop.apache.org by "Sunil G (JIRA)" <ji...@apache.org> on 2017/01/02 08:54:58 UTC
[jira] [Commented] (YARN-6025) Issues in synchronization in
AbstractYarnScheduler & its hierarchy
[ https://issues.apache.org/jira/browse/YARN-6025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15792513#comment-15792513 ]
Sunil G commented on YARN-6025:
-------------------------------
Generally patch looks fine for me.
> Issues in synchronization in AbstractYarnScheduler & its hierarchy
> ------------------------------------------------------------------
>
> Key: YARN-6025
> URL: https://issues.apache.org/jira/browse/YARN-6025
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler, scheduler
> Reporter: Naganarasimha G R
> Assignee: Naganarasimha G R
> Attachments: YARN-6025.002.patch, YARN-6025.01.patch
>
>
> YARN-3139 does optimization on the locks by introducing ReentrantReadWriteLock to remove synchronized locks, but still seems to have some synchronization locks in AbstractYarnScheduler and its hierarchy because of nonavailibility of read write locks in Fifo scheduler.
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