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Posted to jira@kafka.apache.org by GitBox <gi...@apache.org> on 2020/08/07 08:07:12 UTC

[GitHub] [kafka] chia7712 opened a new pull request #9134: MINOR: set initial capacity for all array buffers in converting produ…

chia7712 opened a new pull request #9134:
URL: https://github.com/apache/kafka/pull/9134


   this is a bit optimization of converting producer responses. Those array buffers need initial capacity to avoid growing continually if the request carries a bunch of small messages and those messages are sent to different partitions.
   
   ### Committer Checklist (excluded from commit message)
   - [ ] Verify design and implementation 
   - [ ] Verify test coverage and CI build status
   - [ ] Verify documentation (including upgrade notes)
   


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[GitHub] [kafka] chia7712 closed pull request #9134: MINOR: set initial capacity for all array buffers in converting produ…

Posted by GitBox <gi...@apache.org>.
chia7712 closed pull request #9134:
URL: https://github.com/apache/kafka/pull/9134


   


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[GitHub] [kafka] chia7712 commented on pull request #9134: MINOR: set initial capacity for all array buffers in converting produ…

Posted by GitBox <gi...@apache.org>.
chia7712 commented on pull request #9134:
URL: https://github.com/apache/kafka/pull/9134#issuecomment-678894285


   test this patch with timed profiling recording (5 minutes) and the memory usage of array reallocation is reduced from 3.14 GB to 2.81 GB


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