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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