Thanks for the recommendation. Are you running this on Intel or ARM64? We’ve mostly moved to ARM64. —wunder
> On Dec 12, 2023, at 9:55 AM, Shawn Heisey <apa...@elyograg.org.INVALID> wrote: > > Java 11 is a good solid choice. Java 17 seems to perform a little better > than 11 on Solr 9.x, but I haven't actually measured it. Java 8, 11, 17, and > 21 are the current LTS releases. > > https://en.wikipedia.org/wiki/Java_version_history > > I personally wouldn't trust Solr 8.x with Java 17, as that's a jump of 9 > major Java versions ... but others have done it and I haven't seen reports of > problems. I use Java 17 with Solr 9.x on Ubuntu. > > With Java 11 or later, I think it would be a good idea to switch garbage > collection to ZGC. I have this in my /etc/default/solr.in.sh: > > GC_TUNE=" \ > -XX:+UnlockExperimentalVMOptions \ > -XX:+UseZGC \ > -XX:+ParallelRefProcEnabled \ > -XX:+ExplicitGCInvokesConcurrent \ > -XX:+AlwaysPreTouch \ > -XX:+UseNUMA \ > "
