Zookeeper on the same machine? Maybe you take memory from it? Do you observe swapping?
Normally your memory should be much larger than heap, because Spark heavily uses os caches, which are not on heap. > Am 07.08.2019 um 15:22 schrieb Abhimeet, Kumar <kumar.abhim...@icfnext.com>: > > Hi Team, > > > > We are facing an issue of Solr becoming unresponsive after every 2-3 Hrs. We > recently increased the allocated JVM size on Solr up to 11GB, since then the > issue is very frequent. > > > > Current Java Settings on Solr are: > > java -server -Xms11095m -Xmx11095m -XX:NewRatio=3 -XX:SurvivorRatio=4 > -XX:TargetSurvivorRatio=90 -XX:MaxTenuringThreshold=8 -XX:+UseConcMarkSweepGC > -XX:+UseParNewGC -XX:ConcGCThreads=4 -XX:ParallelGCThreads=4 > -XX:+CMSScavengeBeforeRemark -XX:PretenureSizeThreshold=64m > -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=50 > -XX:CMSMaxAbortablePrecleanTime=6000 -XX:+CMSParallelRemarkEnabled > -XX:+ParallelRefProcEnabled -XX:-OmitStackTraceInFastThrow -verbose:gc > -XX:+PrintHeapAtGC -XX:+PrintGCDetails -XX:+PrintGCDateStamps > -XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution > -XX:+PrintGCApplicationStoppedTime > -Xloggc:/opt/solr-7.1.0/server/logs/solr_gc.log -XX:+UseGCLogFileRotation > -XX:NumberOfGCLogFiles=9 -XX:GCLogFileSize=20M > -Dsolr.log.dir=/opt/solr-7.1.0/server/logs -Djetty.port=8983 -DSTOP.PORT=7983 > -DSTOP.KEY=solrrocks -Duser.timezone=UTC -Djetty.home=/opt/solr-7.1.0/server > -Dsolr.solr.home=/opt/solr-7.1.0/server/solr -Dsolr.data.home= > -Dsolr.install.dir=/opt/solr-7.1.0 > -Dsolr.default.confdir=/opt/solr-7.1.0/server/solr/configsets/_default/conf > -Xss256k -Dsolr.jetty.https.port=8983 -Dsolr.log.muteconsole > -XX:OnOutOfMemoryError=/opt/solr-7.1.0/bin/oom_solr.sh 8983 > /opt/solr-7.1.0/server/logs -jar start.jar > > Cache Configs are: > > > > <filterCache class="solr.FastLRUCache" > > size="512" > > initialSize="512" > > autowarmCount="0"/> > > <queryResultCache class="solr.LRUCache" > > size="512" > > initialSize="512" > > autowarmCount="0"/> > > <documentCache class="solr.LRUCache" > > size="512" > > initialSize="512" > > autowarmCount="0"/> > > > Find the attached thread dumps. > > > > Please help! > > > > > > > > > > > Kumar Abhimeet | ICF Next > Senior Consultant > c: 080-46409406 > icfolson.com | LinkedIn | Twitter > <dumps-06Aug2019.zip>