Author: jbellis Date: Mon May 24 18:19:55 2010 New Revision: 947743 URL: http://svn.apache.org/viewvc?rev=947743&view=rev Log: improve default JVM GC options. patch by Jacob Kessler and Brandon Williams for CASSANDRA-1014
Modified: cassandra/branches/cassandra-0.6/CHANGES.txt cassandra/branches/cassandra-0.6/bin/cassandra.in.sh Modified: cassandra/branches/cassandra-0.6/CHANGES.txt URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.6/CHANGES.txt?rev=947743&r1=947742&r2=947743&view=diff ============================================================================== --- cassandra/branches/cassandra-0.6/CHANGES.txt (original) +++ cassandra/branches/cassandra-0.6/CHANGES.txt Mon May 24 18:19:55 2010 @@ -25,6 +25,7 @@ * windows script for nodetool (CASSANDRA-1113) * expose PhiConvictThreshold (CASSANDRA-1053) * make repair of RF==1 a no-op (CASSANDRA-1090) + * improve default JVM GC options (CASSANDRA-1014) 0.6.1 Modified: cassandra/branches/cassandra-0.6/bin/cassandra.in.sh URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.6/bin/cassandra.in.sh?rev=947743&r1=947742&r2=947743&view=diff ============================================================================== --- cassandra/branches/cassandra-0.6/bin/cassandra.in.sh (original) +++ cassandra/branches/cassandra-0.6/bin/cassandra.in.sh Mon May 24 18:19:55 2010 @@ -39,16 +39,14 @@ done # Arguments to pass to the JVM JVM_OPTS=" \ -ea \ - -Xms128M \ + -Xms256M \ -Xmx1G \ - -XX:TargetSurvivorRatio=90 \ - -XX:+AggressiveOpts \ -XX:+UseParNewGC \ -XX:+UseConcMarkSweepGC \ -XX:+CMSParallelRemarkEnabled \ + -XX:SurvivorRatio=8 \ + -XX:MaxTenuringThreshold=1 \ -XX:+HeapDumpOnOutOfMemoryError \ - -XX:SurvivorRatio=128 \ - -XX:MaxTenuringThreshold=0 \ -Dcom.sun.management.jmxremote.port=8080 \ -Dcom.sun.management.jmxremote.ssl=false \ -Dcom.sun.management.jmxremote.authenticate=false"