anchor.diff:        -cp ${CLASSPATH}                                          \
         org.apache.cassandra.thrift.CassandraDaemon 2>&1
   
  -      # -XX:NewSize=21m                                           \
  -      # -XX:MaxNewSize=42m                                        \
         # -XX:+DisableExplicitGC                                  \
         # -verbose:gc                                             \
   
  -      # -XX:CMSInitiatingOccupancyFraction=80                   \
  -      # -XX:+UseCMSInitiatingOccupancyOnly                      \
   
   # # Very Large Heaps and Caches         http://www.devwebsphere.com/devwebsphere/2007/02/very_large_heap.htmla          ## great overview
   # # Cassandra Garbage Collection Tuning http://blog.mikiobraun.de/2010/08/cassandra-gc-tuning.html                      
  
positive.code:       -XX:+AggressiveOpts                                       \
        -XX:+UseThreadPriorities                                  \
        -XX:ThreadPriorityPolicy=42                               \
        -XX:+UseCompressedOops                                    \
  <%- if true %>
        -XX:+PrintGCTimeStamps                                    \
        -XX:+PrintGCDetails                                       \
        -XX:+PrintTenuringDistribution                            \
        -XX:-TraceClassUnloading                                  \
        -Xloggc:/var/log/cassandra/cassandra-gc.log               \
  <%- end %>
        -Dcassandra.compaction.priority=1                         \
        -Djava.rmi.server.hostname=<%= node[:ec2][:public_hostname] %> \
        -Dcom.sun.management.jmxremote.port=<%= node[:cassandra][:jmx_port] %> \
        -Dcom.sun.management.jmxremote.ssl=false                  \
  
negative.code: # -XX:+CMSIncrementalMode                 \
  # -XX:+CMSIncrementalPacing               \
  # -XX:CMSIncrementalDutyCycleMin=0        \
  # -XX:CMSIncrementalDutyCycle=10          \
  # -XX:ParallelCMSThreads=4                ## limit the number of threads used for iCMS
  # 
  # # If too many full collections occur, try the following three steps, one at a time:
  