Re: Is nodetool cleanup necessary on nodes of different data center when new node is added

2014-08-07 Thread Robert Coli
On Thu, Aug 7, 2014 at 2:46 PM, Viswanathan Ramachandran < vish.ramachand...@gmail.com> wrote: > I plan to have a multi data center Cassandra 2 setup with 2-4 nodes per > data center and several 10s of data centers. We have My understanding is > that nodetool cleanup removes data which no longer b

Is nodetool cleanup necessary on nodes of different data center when new node is added

2014-08-07 Thread Viswanathan Ramachandran
I plan to have a multi data center Cassandra 2 setup with 2-4 nodes per data center and several 10s of data centers. We have keyspaces replicated on a certain number of nodes on *each* data center. Essentially, each data center has a logical ring that covers all token ranges. We have a vnode based