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 "sandflee (JIRA)" <ji...@apache.org> on 2016/08/08 11:38:20 UTC
[jira] [Commented] (YARN-5483) Optimize
RMAppAttempt#pullJustFinishedContainers
[ https://issues.apache.org/jira/browse/YARN-5483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15411694#comment-15411694 ]
sandflee commented on YARN-5483:
--------------------------------
YARN-5262 is patched. found justFinishedContainers is never cleared, and there are many unnecessarily update to justFinishedContainers.
{code}
// Clear and get current values
List<ContainerStatus> finishedContainers = justFinishedContainers.put
(nodeId, new ArrayList<ContainerStatus>());
{code}
> Optimize RMAppAttempt#pullJustFinishedContainers
> ------------------------------------------------
>
> Key: YARN-5483
> URL: https://issues.apache.org/jira/browse/YARN-5483
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: sandflee
> Assignee: sandflee
> Attachments: YARN-5483.01.patch, jprofiler-cpu.png
>
>
> about 1000 app running on cluster, jprofiler found pullJustFinishedContainers cost too much cpu.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: yarn-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: yarn-issues-help@hadoop.apache.org