Hello Can you please share the JVM heap settings in detail?
Deepak On Mon, 30 Sep 2019, 11:15 Yasufumi Mizoguchi, <yasufumi0...@gmail.com> wrote: > Hi, > > I am trying some tests to confirm if single Solr instance can perform over > 1000 queries per second(!). > > But now, although CPU usage is 40% or so and iowait is almost 0%, > throughput does not increase over 60 queries per second. > > I think there are some bottlenecks around Kernel, JVM, or Solr settings. > > The values we already checked and configured are followings. > > * Kernel: > file descriptor > net.ipv4.tcp_max_syn_backlog > net.ipv4.tcp_syncookies > net.core.somaxconn > net.core.rmem_max > net.core.wmem_max > net.ipv4.tcp_rmem > net.ipv4.tcp_wmem > > * JVM: > Heap [ -> 32GB] > G1GC settings > > * Solr: > (Jetty) MaxThreads [ -> 20000] > > > And the other info is as follows. > > CPU : 16 cores > RAM : 128 GB > Disk : SSD 500GB > NIC : 10Gbps(maybe) > OS : Ubuntu 14.04 > JVM : OpenJDK 1.8.0u191 > Solr : 6.2.1 > Index size : about 60GB > > Any insights will be appreciated. > > Thanks and regards, > Yasufumi. >
