[GitHub] [lucene] ben-manes commented on pull request #11715: Add Integer awareness to RamUsageEstimator.sizeOf

[GitBox <gi...@apache.org>]

ben-manes commented on PR #11715:
URL: https://github.com/apache/lucene/pull/11715#issuecomment-1228006073

   > I don't recommend to use caffeine because it uses Unsafe....
   
   @uschindler fyi Caffeine 3.x does not use Unsafe, which is what Solr uses. Unfortunatelly we did not have any good options prior to Java 9 (VarHandles), as atomic references would add memory bloat and atomic field updaters would use reflection. When Solr updated to Java 11 it was able to make the switch.


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