[jira] [Created] (IOTDB-3870) Split tablet with large batch size for improving the write performance

["Haonan Hou (Jira)" <ji...@apache.org>]

Haonan Hou created IOTDB-3870:
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             Summary: Split tablet with large batch size for improving the write performance
                 Key: IOTDB-3870
                 URL: https://issues.apache.org/jira/browse/IOTDB-3870
             Project: Apache IoTDB
          Issue Type: Improvement
            Reporter: Haonan Hou


Recently we did an experiment about how the batch size of tablet effect the write performance. The result shows that at the beginning, with the increasing of batch size, the write performance would be better. However, when the batch size became larger than a threshold value, the performance would go down. 

 

One possible reason is if the batch size of tablet is too large, we allow this big tablet to be written firstly, and then check and trigger flush. It may take more memory resource than some small tablets. Therefore, we need to research if we can split tablet with large batch size for improving the write performance.



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