chunhui shen created HBASE-5914:
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Summary: Using bulk assign regions in the process of
ServerShutdownHandler
Key: HBASE-5914
URL: https://issues.apache.org/jira/browse/HBASE-5914
Project: HBase
Issue Type: Improvement
Reporter: chunhui shen
Assignee: chunhui shen
In the process of ServerShutdownHandler, we currently assign regions singly.
In the large cluster, one regionserver always carried many regions, this action
is quite slow.
What about using bulk assign regions like cluster start up.
In current logic, if we failed assigning many regions to one destination
server, we will wait unitl timeout,
however in the process of ServerShutdownHandler, we should retry it to another
server.
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