Re: making sure 1 copy per availability zone(rack) using EC2Snitch

2013-09-11 Thread rash aroskar
Thanks that is helpful. On Tue, Sep 10, 2013 at 3:52 PM, Robert Coli wrote: > On Mon, Sep 9, 2013 at 11:21 AM, rash aroskar wrote: > >> Are you suggesting deploying 1.2.9 only if using Cassandra "DC" outside >> of EC2 or if I wish to use rack replication at all? >> > > 1) use 1.2.9 no matter wh

Re: making sure 1 copy per availability zone(rack) using EC2Snitch

2013-09-10 Thread Robert Coli
On Mon, Sep 9, 2013 at 11:21 AM, rash aroskar wrote: > Are you suggesting deploying 1.2.9 only if using Cassandra "DC" outside of > EC2 or if I wish to use rack replication at all? > 1) use 1.2.9 no matter what, instead of 1.2.5 2) if only *ever* will have clusters in EC2, EC2Snitch is fine, but

Re: making sure 1 copy per availability zone(rack) using EC2Snitch

2013-09-09 Thread Robert Coli
On Mon, Sep 9, 2013 at 8:56 AM, rash aroskar wrote: > I am planning my new cassandra 1.2.5 cluster with all nodes in single > region but divided among 2 availablity zones equally. I want to make sure > with replication factor 2 I get 1 copy in every availability zone. As per > my knowledge using p

Re: making sure 1 copy per availability zone(rack) using EC2Snitch

2013-09-09 Thread rash aroskar
Thanks for quick response Rob. Are you suggesting deploying 1.2.9 only if using Cassandra "DC" outside of EC2 or if I wish to use rack replication at all? On Mon, Sep 9, 2013 at 12:43 PM, Robert Coli wrote: > On Mon, Sep 9, 2013 at 8:56 AM, rash aroskar wrote: > >> I am planning my new cassandr

making sure 1 copy per availability zone(rack) using EC2Snitch

2013-09-09 Thread rash aroskar
Hello, I am planning my new cassandra 1.2.5 cluster with all nodes in single region but divided among 2 availablity zones equally. I want to make sure with replication factor 2 I get 1 copy in every availability zone. As per my knowledge using placement strategy EC2Snitch should take care of this.