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Posted to yarn-issues@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2018/04/09 03:13:00 UTC
[jira] [Updated] (YARN-8127) Resource leak when async scheduling is
enabled
[ https://issues.apache.org/jira/browse/YARN-8127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Weiwei Yang updated YARN-8127:
------------------------------
Priority: Critical (was: Blocker)
> Resource leak when async scheduling is enabled
> ----------------------------------------------
>
> Key: YARN-8127
> URL: https://issues.apache.org/jira/browse/YARN-8127
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Weiwei Yang
> Assignee: Tao Yang
> Priority: Critical
>
> Brief steps to reproduce
> # Enable async scheduling, 5 threads
> # Submit a lot of jobs trying to exhaust cluster resource
> # After a while, observed NM allocated resource is more than resource requested by allocated containers
> Looks like the commit phase is not sync handling reserved containers, causing some proposal incorrectly accepted, subsequently resource was deducted multiple times for a container.
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