Hi, This would be a Java VM option, not something Solr itself can know about. Take a look at this article in comments. May be it will help. https://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html?showComment=1347033706559#c229885263664926125
Regards Dominique Le jeu. 24 sept. 2020 à 03:42, Wei <weiwan...@gmail.com> a écrit : > Hi, > > Recently we deployed solr 8.4.1 on a batch of new servers with 2 NUMAs. I > noticed that query latency almost doubled compared to deployment on single > NUMA machines. Not sure what's causing the huge difference. Is there any > tuning to boost the performance on multiple NUMA machines? Any pointer is > appreciated. > > Best, > Wei >
