Hi, we have a Solr 5.2.1 with 9 cores and one of them has 140M docs. Can you please recommend tuning of those GC parameters? The performance is not a issue, sometimes during peaks we have OOM and we use 50G of heap memory, the server has 64G of ram.
GC_TUNE="-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" -- View this message in context: http://lucene.472066.n3.nabble.com/GC-parameters-tuning-for-core-of-140M-docs-on-50G-of-heap-memory-tp4224813.html Sent from the Solr - User mailing list archive at Nabble.com.