anchor.diff:  # -XX:+CMSIncrementalMode                 \
   # -XX:+CMSIncrementalPacing               \
   # -XX:CMSIncrementalDutyCycleMin=0        \
  -# -XX:+CMSIncrementalDutyCycle=10         \
  +# -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:
  
positive.code:       -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                      
  
negative.code:       -XX:+AggressiveOpts                                       \
        -XX:+UseThreadPriorities                                  \
        -XX:ThreadPriorityPolicy=42                               \
        -Dcassandra.compaction.priority=1                         \
        -XX:+UseCompressedOops                                    \
        -XX:NewSize=384m                                          \
        -XX:MaxNewSize=384m                                       \
  <%- if false %>
        -XX:+PrintGCTimeStamps                                    \
        -XX:+PrintGCDetails                                       \
        -XX:+PrintTenuringDistribution                            \
        -XX:-TraceClassUnloading                                  \
        -Xloggc:/var/log/cassandra/cassandra-gc.log               \
  <%- end %>
  <%- if false %>
        -XX:+CMSIncrementalMode                                   \
        -XX:+CMSIncrementalPacing                                 \
        -XX:CMSIncrementalDutyCycleMin=0                          \
        -XX:CMSIncrementalDutyCycle=10                            \
  <%- end %>
  <%- if true %>
        -XX:CMSInitiatingOccupancyFraction=70                     \
        -XX:+UseCMSInitiatingOccupancyOnly                        \
  <%- end %>
        -Djava.rmi.server.hostname=<%= node[:ec2][:public_hostname] %> \
        -Dcom.sun.management.jmxremote.port=<%= node[:cassandra][:jmx_port] %> \
        -Dcom.sun.management.jmxremote.ssl=false                  \
  