anchor.diff:  commitlog_sync: periodic
   commitlog_sync_period_in_ms: 10000
   
  +# The size of the individual commitlog file segments.  A commitlog
  +# segment may be archived, deleted, or recycled once all the data
  +# in it (potentally from each columnfamily in the system) has been
  +# flushed to sstables.
  +#
  +# The default size is 32, which is almost always fine, but if you are
  +# archiving commitlog segments (see commitlog_archiving.properties),
  +# then you probably want a finer granularity of archiving; 8 or 16 MB
  +# is reasonable.
  +commitlog_segment_size_in_mb: 32
  +
   # any class that implements the SeedProvider interface and has a
   # constructor that takes a Map<String, String> of parameters will do.
   seed_provider:
  
positive.code: max_hint_window_in_ms: 3600000 # one hour
  # Sleep this long after delivering each hint
  hinted_handoff_throttle_delay_in_ms: 1
  
  # authentication backend, implementing IAuthenticator; used to identify users
  authenticator: org.apache.cassandra.auth.AllowAllAuthenticator
  
negative.code: #  - PropertyFileSnitch:
  #    Proximity is determined by rack and data center, which are
  #    explicitly configured in cassandra-topology.properties.
  #  - GossipingPropertyFileSnitch
  #    The rack and datacenter for the local node are defined in
  #    cassandra-rackdc.properties and propagated to other nodes via gossip.  If
  #    cassandra-topology.properties exists, it is used as a fallback, allowing
  #    migration from the PropertyFileSnitch.
  #  - RackInferringSnitch:
  #    Proximity is determined by rack and data center, which are
  #    assumed to correspond to the 3rd and 2nd octet of each node's
  