They will timeout until failure detector realizes the DC1 nodes are down (~10 seconds). After that they will immediately return UnavailableException until DC1 comes back up.
On Mon, Apr 18, 2011 at 10:43 AM, Baskar Duraikannu <baskar.duraikannu...@gmail.com> wrote: > We are planning to deploy Cassandra on two data centers. Let us say that > we went with three replicas with 2 being in one data center and last replica > in 2nd Data center. > > What will happen to Quorum Reads and Writes when DC1 goes down (2 of 3 > replicas are unreachable)? Will they timeout? > > > Regards, > Baskar -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
