Calculates the heap space used by Apache Cassandra.
Needed to run are:
- The path a file containing the
- The heapsize (in GB) for this cluster (can be found via
- The average key size (in bytes) (known by the user)
- The average row size (in bytes) (as found via
- Optionally: The memtable size (in MB). Only to be set if changed from the
defaults of 1/3 of the heap space. See
Takes the path to a file containing the
nodetool cfhistograms <keyspace> <cfname> output for all column familes.