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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2021/11/05 15:11:26 UTC

[GitHub] [druid] FrankChen021 commented on pull request #11878: Load cache files in parallel to speed up historical startup

FrankChen021 commented on pull request #11878:
URL: https://github.com/apache/druid/pull/11878#issuecomment-961977309


   Thanks for your contribution and performance report.  
   
   128688 segments are not very large, and the cache loading is not very complicated, it reads file and then deserialize to `DataSegment` and then check the segment if is intact, I don't understand where is the bottle neck and why it takes 42 seconds.


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