[GitHub] [carbondata] QiangCai opened a new pull request #3805: [CARBONDATA-3870] Optimize global lock to object lock for CarbonEnv.init

Wed, 24 Jun 2020 02:31:03 -0700 


QiangCai opened a new pull request #3805:
URL: https://github.com/apache/carbondata/pull/3805


    ### Why is this PR needed?
    global lock of CarbonEnv.init impacts the performance of the concurrent 
query.
    
    ### What changes were proposed in this PR?
   1. Optimize global lock to object lock for CarbonEnv.init
   2. The global lock is only used to create CarbonEnv(not include init).
       
    ### Does this PR introduce any user interface change?
    - No
   
    ### Is any new testcase added?
    - No
   
       
   


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