Sudarshan Kadambi created HBASE-12071:
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Summary: Separate out thread pool for Master <-> RegionServer
communication
Key: HBASE-12071
URL: https://issues.apache.org/jira/browse/HBASE-12071
Project: HBase
Issue Type: Bug
Reporter: Sudarshan Kadambi
Over in HBASE-12028, there is a discussion about the case of a RegionServer
still being alive despite all its handler threads being dead. One outcome of
this is that the Master is left hanging on the RS for completion of various
operations - such as region un-assignment when a table is disabled. Does it
make sense to create a separate thread pool for communication between the
Master and the RS? This addresses not just the case of the RPC handler threads
terminating but also long-running queries or co-processor executions holding up
master operations.
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