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Posted to issues@hbase.apache.org by "Stephen Yuan Jiang (JIRA)" <ji...@apache.org> on 2014/12/04 01:42:12 UTC
[jira] [Updated] (HBASE-12071) Separate out thread pool for Master
<-> RegionServer communication
[ https://issues.apache.org/jira/browse/HBASE-12071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephen Yuan Jiang updated HBASE-12071:
---------------------------------------
Issue Type: Improvement (was: Bug)
> Separate out thread pool for Master <-> RegionServer communication
> ------------------------------------------------------------------
>
> Key: HBASE-12071
> URL: https://issues.apache.org/jira/browse/HBASE-12071
> Project: HBase
> Issue Type: Improvement
> 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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