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Posted to dev@phoenix.apache.org by "jaanai (JIRA)" <ji...@apache.org> on 2019/02/28 02:11:00 UTC

[jira] [Created] (PHOENIX-5169) Query logger is still initialized for each query when the log level is off

jaanai created PHOENIX-5169:
-------------------------------

             Summary: Query logger is still initialized for each query when the log level is off
                 Key: PHOENIX-5169
                 URL: https://issues.apache.org/jira/browse/PHOENIX-5169
             Project: Phoenix
          Issue Type: Bug
    Affects Versions: 5.0.0
            Reporter: jaanai
            Assignee: jaanai
         Attachments: image-2019-02-28-10-05-00-518.png

we will still invoke createQueryLogger in PhoenixStatement for each query when query logger level is OFF, which has significant throughput impacts under multiple threads.

 

The below is jstack with the concurrent query:

!https://gw.alicdn.com/tfscom/TB1HC3bI4TpK1RjSZFMXXbG_VXa.png|width=500,height=400!

 



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