Hi,

We have a Solr Cloud cluster running 8.11.2 on 16 servers that have just
been upgraded to Ubuntu 20.04 (from 18.04).

It looks like we are getting shards down/recovering more often than
previously, so I'm wondering what version of Java and which garbage
collector is recommended on Ubuntu 20.04?

On https://solr.apache.org/docs/8_11_2/SYSTEM_REQUIREMENTS.html is says
Java 8 or higher - we are running 11.0.17+8-1ubuntu2~20.04.

That page also links to
https://cwiki.apache.org/confluence/display/lucene/JavaBugs which very
clearly says not to use the G1 garbage collector and that the page isn't
outdated. Hm.


  Best regards,

    Adam

-- 
 "The laws of perspective have been repealed!               Adam Sjøgren
  Objects no longer diminish in size with distance!"   a...@koldfront.dk

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