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"
