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Posted to notifications@iotdb.apache.org by "Jialin Qiao (Jira)" <ji...@apache.org> on 2022/01/25 06:59:00 UTC

[jira] [Created] (IOTDB-2486) Accelerate the count aggregation

Jialin Qiao created IOTDB-2486:
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             Summary: Accelerate the count aggregation
                 Key: IOTDB-2486
                 URL: https://issues.apache.org/jira/browse/IOTDB-2486
             Project: Apache IoTDB
          Issue Type: Improvement
            Reporter: Jialin Qiao


We need to accelerate the count aggregation on timeseries without any filter.

select count(s1) from root.sg.*

 

When the series has 10 billion points, we will store many tsfiles, which causes the query inefficient.



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