choubenson opened a new pull request, #9817:
URL: https://github.com/apache/iotdb/pull/9817

   **Description**
   Starting from version 1.0, using the load function to import data and then 
compact them will result in overlapped data in sequential files.
   
   **Reason**
   After version 1.0, using the load function may cause files with the same 
timestamp to appear in the system, and the version corresponding to the 
sequential file with the same timestamp is incremented, and the version of the 
file under a time partition is unique. Compaction use `version` as first sort 
dimension, resulting in an incorrect order.
   
   **Solution**
   Use `timestamp` as first sort dimension and `version` as second sort 
dimension.


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