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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2022/08/10 05:55:39 UTC

[GitHub] [iotdb] THUMarkLau commented on pull request #6914: [IOTDB-3164] Manage the memory of cross space compaction in write memory controller

THUMarkLau commented on PR #6914:
URL: https://github.com/apache/iotdb/pull/6914#issuecomment-1210194987

   I use IoTDB benchmark tests changed after the performance, and the master (commit: a8f757d6e4fecc2251d2042a025960bf29c6e0f3) are compared. The result of the comparison is shown in the figure below. In terms of average performance, the write performance after the change decreases by about 2.8%.
   
   **master branch**
   ![e173a42189cf91925f9f73475afac2b](https://user-images.githubusercontent.com/37140360/183825856-ee4e5850-a190-4dfd-848f-8c693f94af15.png)
   
   **with memory management for cross space compaction**
   ![dd9c26571d2659edfb92e40e6d87df9](https://user-images.githubusercontent.com/37140360/183825884-dda2ae80-4cd4-4eb0-b0df-3bfe5abe0e07.png)
   


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