Thanks Dominique. I'll start with the -XX:+UseNUMA option. Best, Wei
On Fri, Sep 25, 2020 at 7:04 AM Dominique Bejean <dominique.bej...@eolya.fr> wrote: > 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 > > >
