Of the top of my head I it's not exposed via nodetool. You can get it via HTTP if you install mx4j or if you could try http://wiki.cyclopsgroup.org/jmxterm
Cheers ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 7/10/2011, at 8:09 PM, Radim Kolar wrote: > Dne 16.9.2011 8:20, Yang napsal(a): >> I looked at the JMX attributes >> CFS.BloomFilterFalseRatio, it's 1.0 , BloomFilterFalsePositives, it's >> 2810, > its possible to query this bloom filter false ratio from command line?