[GitHub] [druid] xvrl edited a comment on issue #5589: Java 11 compatibility

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

xvrl edited a comment on issue #5589:
URL: https://github.com/apache/druid/issues/5589#issuecomment-854830610


   There is experimental support for it, but not all extensions may work. It is unclear to me if DataSketches officially supports Java 11 yet or not. Our unit and integration tests all pas with Java 11, but I am not sure if there is more to it. There was some discussion as part of https://github.com/apache/druid/pull/8647 regarding the matter.
   
   All I can say is that we have been running in production with Java 11 and seen significant GC improvements for sure, but we don't exercise all the functionality, so there might be some gaps I am not aware of.
   
   It might be worthwhile to update the documentation and break down JDK support by Druid extension so that people can be more comfortable upgrading. cc @gianm @leerho 


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