How to know the size of a keyspace and column family in Cassandra?

Question

Recently I\'ve started working on Grails integration with Cassandra using the Java driver for cassandra(cassandra-driver-core-2.0.2). So I was curious to know how we can find ou

Answer 1

To get statistics regarding column families in Cassandra, you can simply run the command:

nodetool cfstats

It reports statistics about tables which include the live data size as well as on disk.

The documentation about this utility for Cassandra 2.1 is available here.