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Shawn Heisey

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Java recommendation for Solr

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OpenJDK should be fine.  Other Java varieties like Coretto Corretto (from Amazon) have been used with success.  Oracle works well, but has a price tag.  If you are already paying for Oracle Java, it's a great option.

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The following settings were created as a result of a discussion with Oracle employees on the hotspot-gc-use mailing list:

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JVM_OPTS=" \
-XX:+UseG1GC \
-XX:+ParallelRefProcEnabled \
-XX:G1HeapRegionSize=8m \
-XX:MaxGCPauseMillis=200 \
-XX:+UseLargePages \
-XX:+AggressiveOpts \
"

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