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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2018/08/14 00:02:00 UTC
[jira] [Created] (YARN-8657) User limit calculation should be
read-lock-protected within LeafQueue
Wangda Tan created YARN-8657:
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Summary: User limit calculation should be read-lock-protected within LeafQueue
Key: YARN-8657
URL: https://issues.apache.org/jira/browse/YARN-8657
Project: Hadoop YARN
Issue Type: Bug
Components: capacity scheduler
Reporter: Sumana Sathish
Assignee: Wangda Tan
When async scheduling is enabled, user limit calculation could be wrong:
It is possible that scheduler calculated a user_limit, but inside {{canAssignToUser}} it becomes staled.
We need to protect user limit calculation.
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