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Posted to yarn-issues@hadoop.apache.org by "András Győri (Jira)" <ji...@apache.org> on 2022/06/09 09:11:00 UTC
[jira] [Created] (YARN-11174) Setting user limit factor on dynamic queues at runtime does not propagate to ConfigurationProperties
András Győri created YARN-11174:
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Summary: Setting user limit factor on dynamic queues at runtime does not propagate to ConfigurationProperties
Key: YARN-11174
URL: https://issues.apache.org/jira/browse/YARN-11174
Project: Hadoop YARN
Issue Type: Bug
Components: capacity scheduler
Reporter: András Győri
Assignee: András Győri
YARN-10838 introduced a ConfigurationProperties class, that is optimised for fast prefixed retrievals. However, changes at runtime on a CSConfig object will not have effect on this cache. The only way to propagate those changes is to reinitialise the entire cache, which could be costly.
In order to avoid unnecessary operations, we need a way to add new entries to the ConfigurationProperties in constant time.
In addition to this, YARN-11006 implemented a way for dynamic queues to be able to override user limit factors via templates. However, this only worked because of the missing propagations, hence it is a bug in the logic that should be fixed.
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