[jira] [Created] (CARBONDATA-2685) make datamap rebuild for all segments in parallel

[Akash R Nilugal (Jira)]

xuchuanyin created CARBONDATA-2685:
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             Summary: make datamap rebuild for all segments in parallel
                 Key: CARBONDATA-2685
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2685
             Project: CarbonData
          Issue Type: Sub-task
            Reporter: xuchuanyin
            Assignee: xuchuanyin


Currently in carbondata, while rebuilding datamap, one spark job will be
started for each segment and all the jobs are executed serially. If we
have many historical segments, the rebuild will take a lot of time.



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