You should be able to use LOCAL_QUORUM with RF=1. Did you try it and get some error?
On Mon, Feb 25, 2013 at 10:01 AM, Igor <i...@4friends.od.ua> wrote: > Hello! > > We have 1.0.7 multi-DC cassandra setup with strict time limits for read > (15ms). We use RF=1 per DC and reads with CL=ONE. Data in datacenters are > in sync, but we have next problem: > when application looks for key which is not yet in database, coordinator > wait for digests from remote datacenters which breaks our time limits. > > I know that we can use RF:3 per DC and read with LOCAL_QUORUM to restrict > reads to local DC only, but RF:3 is not acceptable for us. > > Can we force somehow cassandra not to lookup keys in remote CD? > > Thanks for your answers! > -- Derek Williams
