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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2021/07/16 05:18:03 UTC

[GitHub] [incubator-doris] weizuo93 opened a new pull request #6252: [Enhancement] Modify the method of calculating compaction score

weizuo93 opened a new pull request #6252:
URL: https://github.com/apache/incubator-doris/pull/6252


   
   ## Proposed changes
   
   There are many compaction tasks that do not actually merge segments instead of merging many rowsets with 0 segments as follows. But we expect small segment files can be merged by compaction task as soon as possible. 
   
   ![2021-07-16 13-06-31 的屏幕截图](https://user-images.githubusercontent.com/68884553/125894776-87a43869-ce08-4518-9fa9-6194b583c3bf.png)
   
   The purpose of this PR is to modify calculation method of compaction score to lower the priority of rowset with 0 segments for compaction.
   
   ## Types of changes
   
   What types of changes does your code introduce to Doris?
   _Put an `x` in the boxes that apply_
   
   - [ ] Bugfix (non-breaking change which fixes an issue)
   - [ ] New feature (non-breaking change which adds functionality)
   - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
   - [ ] Documentation Update (if none of the other choices apply)
   - [ ] Code refactor (Modify the code structure, format the code, etc...)
   - [x] Optimization. Including functional usability improvements and performance improvements.
   - [ ] Dependency. Such as changes related to third-party components.
   - [ ] Other.
   


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[GitHub] [incubator-doris] github-actions[bot] commented on pull request #6252: [Enhancement] Modify the method of calculating compaction score

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on pull request #6252:
URL: https://github.com/apache/incubator-doris/pull/6252#issuecomment-905579924






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[GitHub] [incubator-doris] yangzhg merged pull request #6252: [Enhancement] Modify the method of calculating compaction score

Posted by GitBox <gi...@apache.org>.
yangzhg merged pull request #6252:
URL: https://github.com/apache/incubator-doris/pull/6252


   


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