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Posted to dev@hbase.apache.org by "Bharath Vissapragada (Jira)" <ji...@apache.org> on 2021/01/25 21:00:00 UTC

[jira] [Created] (HBASE-25528) Dedicated merge dispatch threadpool on master

Bharath Vissapragada created HBASE-25528:
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             Summary: Dedicated merge dispatch threadpool on master
                 Key: HBASE-25528
                 URL: https://issues.apache.org/jira/browse/HBASE-25528
             Project: HBase
          Issue Type: Improvement
          Components: master
    Affects Versions: 3.0.0-alpha-1, 1.7.0, 2.5.0
            Reporter: Bharath Vissapragada
            Assignee: Bharath Vissapragada


Over the weekend we ran into an issue of running normalizer on a table with ~400k regions and we noticed the master was bottlenecked on a single threaded thread-pool that was meant for all master table operations (opcode: MASTER_TABLE_OPERATIONS). Having a dedicated thread-pool helped us dispatch merges at a faster rate.




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