Junhong Xu created HBASE-24341:
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Summary: The region should be removed from ConfigurationManager as
a ConfigurationObserver when the region is closed
Key: HBASE-24341
URL: https://issues.apache.org/jira/browse/HBASE-24341
Project: HBase
Issue Type: Improvement
Reporter: Junhong Xu
Assignee: Junhong Xu
When the region is opened, we register the region to the ConfigurationManager
as a ConfigurationObserver object.However, when the region is closed, we don't
deregister the region as a ConfigurationObserver object from the
ConfigurationManager correspondingly. It's not a bug for now cos we do nothing
at the region level(we do things at store level actually) when the
configuration is updated whenever the region is open or not for now.But it is
bug-prone, and we should remove it from the ConfigureManager object when the
region is closed.
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