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Posted to issues@carbondata.apache.org by "Ajantha Bhat (JIRA)" <ji...@apache.org> on 2018/11/28 15:19:00 UTC

[jira] [Created] (CARBONDATA-3138) Random count mismatch in query in multi-thread block-pruning scenario

Ajantha Bhat created CARBONDATA-3138:
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             Summary: Random count mismatch in query in multi-thread block-pruning scenario
                 Key: CARBONDATA-3138
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-3138
             Project: CarbonData
          Issue Type: Bug
            Reporter: Ajantha Bhat
            Assignee: Ajantha Bhat


problem: Random count mismatch in query in multi-thread block-pruning scenario.

cause:Existing prune method not meant for multi-threading as synchronization was missiing. 

only in implicit filter scenario, while preparing the block ID list, synchronization was missing. Hence pruning was giving wrong result.

solution: syncronize the imlicit filter prepartion, as prune now called in multi-thread

 

 



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