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From "Chance Li (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-19344) improve asyncWAL by using Independent thread for netty #IO in FanOutOneBlockAsyncDFSOutput
Date Sat, 25 Nov 2017 11:40:01 GMT
Chance Li created HBASE-19344:
---------------------------------

             Summary: improve asyncWAL by using Independent thread for netty #IO in FanOutOneBlockAsyncDFSOutput

                 Key: HBASE-19344
                 URL: https://issues.apache.org/jira/browse/HBASE-19344
             Project: HBase
          Issue Type: Improvement
          Components: wal
    Affects Versions: 2.0.0-beta-1
            Reporter: Chance Li
            Assignee: Chance Li
             Fix For: 2.0.0


The logic now is that the netty #IO thread and asyncWal's thread are the same one.
Improvement proposal:
1, Split into two.
2, All multiWal share the netty #IO thread pool. 




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