marchpure opened a new pull request #3800:
URL: https://github.com/apache/carbondata/pull/3800


   Why is this PR needed?
   when storing table status file in object store, reading of table status file 
mayfail (receive EOFException or JsonSyntaxException)
   when table status file is being modifying
   we shall retry add the lock to read tablestatus before throwing EOFException 
or JsonSyntaxException
   
   What changes were proposed in this PR?
   Add lock to read tablestatus
   
   Does this PR introduce any user interface change?
   NO
   
   Is any new testcase added?
   NO
   
    ### Why is this PR needed?
    
    
    ### What changes were proposed in this PR?
   
       
    ### Does this PR introduce any user interface change?
    - No
    - Yes. (please explain the change and update document)
   
    ### Is any new testcase added?
    - No
    - Yes
   
       
   


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