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From jbel...@apache.org
Subject svn commit: r947743 - in /cassandra/branches/cassandra-0.6: CHANGES.txt bin/cassandra.in.sh
Date Mon, 24 May 2010 18:19:55 GMT
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"



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