[jira] [Created] (HIVE-11149) Fix issue with Thread unsafe Class HashMap in PerfLogger.java hangs in Multi-thread environment

Tue, 30 Jun 2015 04:33:03 -0700 

WangMeng created HIVE-11149:
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             Summary: Fix issue with Thread unsafe Class  HashMap in 
PerfLogger.java  hangs  in  Multi-thread environment
                 Key: HIVE-11149
                 URL: https://issues.apache.org/jira/browse/HIVE-11149
             Project: Hive
          Issue Type: Bug
          Components: Logging
    Affects Versions: 1.2.0
            Reporter: WangMeng
            Assignee: WangMeng
             Fix For: 1.2.0


In  Multi-thread environment,  the Thread unsafe Class HashMap in 
PerfLogger.java  will hang  and cost  large amounts of unnecessary CPU and 
Memory.



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