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Posted to reviews@iotdb.apache.org by "liuminghui233 (via GitHub)" <gi...@apache.org> on 2023/02/26 10:02:22 UTC

[GitHub] [iotdb] liuminghui233 commented on pull request #9112: [IOTDB-4898] Push offset and limit down to ScanOperator if possible

liuminghui233 commented on PR #9112:
URL: https://github.com/apache/iotdb/pull/9112#issuecomment-1445314401

   **[Performance Test]**
   
   **Settings:**
    - single time series (double type, unaligned)
    - write 50,000,000 points under a single data region (500 sequence files are generated, no unsequence file)
    - query the raw data, set the LIMIT to 1000, and test the query time under different OFFSET
   
   **Result:**
   ![image](https://user-images.githubusercontent.com/36565497/221403983-3982061e-37be-4d0f-90b2-43be4d16c836.png)
   ![image](https://user-images.githubusercontent.com/36565497/221404016-89172911-58ca-4f90-a947-e6f64a6b46e9.png)
   


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