anchor.diff:    # msg-cache-slabs: 4
   
     # the number of queries that a thread gets to service.
  -  num-queries-per-thread: 16384
  +  num-queries-per-thread: 40000
   
     # if very busy, 50% queries run to completion, 50% get timeout in msec
     # jostle-timeout: 200
   
     # the amount of memory to use for the RRset cache.
     # plain value in bytes or you can append k, m or G. default is "4Mb". 
  -  rrset-cache-size: 1024m
  +  rrset-cache-size: 4G
   
     # the number of slabs to use for the RRset cache.
     # the number of slabs must be a power of 2.
  
positive.code:   # whitespace is not necessary, but looks cleaner.
  
    # verbosity number, 0 is least verbose. 1 is default.
    verbosity: 1
  
    # print statistics to the log (for every thread) every N seconds.
    # Set to "" or 0 to disable. Default is disabled.
  
negative.code: 
    # the amount of memory to use for the message cache.
    # plain value in bytes or you can append k, m or G. default is "4Mb". 
    msg-cache-size: 2G
  
    # the number of slabs to use for the message cache.
    # the number of slabs must be a power of 2.
  