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Posted to dev@pulsar.apache.org by GitBox <gi...@apache.org> on 2021/11/23 11:08:49 UTC

[GitHub] [pulsar-helm-chart] lhotari opened a new pull request #178: [Performance] Remove -XX:-ResizePLAB JVM option which degrades performance on JDK11

lhotari opened a new pull request #178:
URL: https://github.com/apache/pulsar-helm-chart/pull/178


   ### Motivation
   
   Specifying `-XX:-ResizePLAB` JVM option on JDK 11 degrades performance. 
   
   - see https://bugs.openjdk.java.net/browse/JDK-8257145
     and https://www.programmersought.net/2021/08/09/after-jdk-upgrade-from-8-to-11-the-hbase-performance-drops-by-nearly-20/
   
   ### Modifications
   
   - remove `-XX:-ResizePLAB` from default JVM options


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[GitHub] [pulsar-helm-chart] lhotari closed pull request #178: [Performance] Remove -XX:-ResizePLAB JVM option which degrades performance on JDK11

Posted by GitBox <gi...@apache.org>.

lhotari closed pull request #178:
URL: https://github.com/apache/pulsar-helm-chart/pull/178


   


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[GitHub] [pulsar-helm-chart] lhotari commented on pull request #178: [Performance] Remove -XX:-ResizePLAB JVM option which degrades performance on JDK11

Posted by GitBox <gi...@apache.org>.

lhotari commented on pull request #178:
URL: https://github.com/apache/pulsar-helm-chart/pull/178#issuecomment-1004907742


   this change is already combined in #190 


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