assuming that you're planning to use most of the ram for read caching and not for the JVM process, I don't see any advantage to justify the extra complexity of running multiple processes per machine.
(I only mention that caveat because I don't know how well the JVM scales to heaps that large.) On Wed, Jan 20, 2010 at 9:10 PM, Phillip Michalak <phil.micha...@digitalreasoning.com> wrote: > Does anyone have a recommendation for configuring cassandra on a cluster > with 'large' nodes? > i.e. multiple nodes, each >64G RAM, 8 cores, >4 disks > > Would it be better to run multiple cassandra processes per node (configured > on separate IP addresses, separate data directories, etc) or just a single > mammoth cassandra process on each node? Is there an upper bound on what > you'd want to allocate to a cassandra process? > > Thanks, > Phil >
