Hi, Deepak. Thank you for replying me. JVM settings from solr.in.sh file are as follows. (Sorry, I could not show all due to our policy)
-verbose:gc -XX:+PrintHeapAtGC -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=18983 -XX:OnOutOfMemoryError=/home/solr/solr-6.2.1/bin/oom_solr.sh -XX:NewSize=128m -XX:MaxNewSize=128m -XX:+UseG1GC -XX:+PerfDisableSharedMem -XX:+ParallelRefProcEnabled -XX:G1HeapRegionSize=8m -XX:MaxGCPauseMillis=250 -XX:InitiatingHeapOccupancyPercent=75 -XX:+UseLargePages -XX:+AggressiveOpts -Xmx32G -Xms32G -Xss256k Thanks & Regards Yasufumi. 2019年9月30日(月) 16:12 Deepak Goel <deic...@gmail.com>: > 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. > > >
