Re: Replication of data over 2 Datacentre's, when one node fails we get replica issues

2015-11-18 Thread Anuj Wadehra
Hi Walsh, My comments: 1. Keeping RF at 2 and CL at LOCAL_QUORUM would not give you any additional fault tolerance. You wont be able to afford a single node failure with RF=2. I would suggest keeping it at 3 so that you can tolerate a single node failure. Your query failed because RF=2 and

Replication of data over 2 Datacentre's, when one node fails we get replica issues

2015-11-18 Thread Walsh, Stephen
Hey all, We're testing Cassandra failover over 2 Datacentre's. There are 3 nodes on each. All CF's have a Replication of 2 on both Datacentre's (DC1:2, DC2:2) When one Datacentre goes down then all queries go to the other. This works fine for LOCAL_QUOURM queries. As 2 replicas of the data