Use nodetool status with vnodes http://www.datastax.com/dev/blog/upgrading-an-existing-cluster-to-vnodes
The different load can be caused by rack affinity, are all the nodes in the same rack ? Another simple check is have you created some very big rows? Cheers ----------------- Aaron Morton Freelance Cassandra Developer New Zealand @aaronmorton http://www.thelastpickle.com On 6/02/2013, at 8:40 AM, stephen.m.thomp...@wellsfargo.com wrote: > So I have three nodes in a ring in one data center. My configuration has > num_tokens: 256 set andinitial_token commented out. When I look at the ring, > it shows me all of the token ranges of course, and basically identical data > for each range on each node. Here is the Cliff’s Notes version of what I see: > > [root@Config3482VM2 apache-cassandra-1.2.0]# bin/nodetool ring > > Datacenter: 28 > ========== > Replicas: 1 > > Address Rack Status State Load Owns > Token > > 9187343239835811839 > 10.28.205.125 205 Up Normal 2.85 GB 33.69% > -3026347817059713363 > 10.28.205.125 205 Up Normal 2.85 GB 33.69% > -3026276684526453414 > 10.28.205.125 205 Up Normal 2.85 GB 33.69% > -3026205551993193465 > (etc) > 10.28.205.126 205 Up Normal 1.15 GB 100.00% > -9187343239835811840 > 10.28.205.126 205 Up Normal 1.15 GB 100.00% > -9151314442816847872 > 10.28.205.126 205 Up Normal 1.15 GB 100.00% > -9115285645797883904 > (etc) > 10.28.205.127 205 Up Normal 69.13 KB 66.30% > -9223372036854775808 > 10.28.205.127 205 Up Normal 69.13 KB 66.30% > 36028797018963967 > 10.28.205.127 205 Up Normal 69.13 KB 66.30% > 72057594037927935 > (etc) > > So at this point I have a number of questions. The biggest question is of > Load. Why does the .125 node have 2.85 GB, .126 has 1.15 GB, and .127 has > only 0.000069 GB? These boxes are all comparable and all configured > identically. > > partitioner: org.apache.cassandra.dht.Murmur3Partitioner > > I’m sorry to ask so many questions – I’m having a hard time finding > documentation that explains this stuff. > > Stephen
