Hello Can you please try increasing 'new size' and 'max new size' to 1GB+?
Deepak On Mon, 30 Sep 2019, 13:35 Yasufumi Mizoguchi, <yasufumi0...@gmail.com> wrote: > 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. > > > > > >
