Re: GossipingPropertyFileSnitch vs Ec2Snitch

2015-08-21 Thread Robert Coli
On Fri, Aug 21, 2015 at 2:37 AM, Alain RODRIGUEZ wrote: > So what would be the procedure to go from EC2Snitch to GPFS ? > > I see 2 possibilities and I am not sure of the result of each of these: > > - Node by node, on a rolling restart way, and making sure that you use the > former DC names and

Re: GossipingPropertyFileSnitch vs Ec2Snitch

2015-08-21 Thread Alain RODRIGUEZ
Hi guys, I am also wondering about this kind of stuff, since we are going out of AWS and were using EC2Snitch. I felt free to write it here, since it looks linked to previous comments. @John, we have been using EC2Snitch for many years, and it just works fine ! Plus, we don't have to keep the GPF

Re: GossipingPropertyFileSnitch vs Ec2Snitch

2015-08-03 Thread John Wong
Thanks Rob. But even if we do move out of EC2 in X years, unlike partitioner, I don't think there is much to do to switch snitch. Yes, I am evaluating if there is actually good benefit to use EC2. John On Mon, Aug 3, 2015 at 1:54 PM, Robert Coli wrote: > On Sun, Aug 2, 2015 at 6:22 PM, John Wo

Re: GossipingPropertyFileSnitch vs Ec2Snitch

2015-08-03 Thread Robert Coli
On Sun, Aug 2, 2015 at 6:22 PM, John Wong wrote: > What other benefits can Ec2Snitch provide in a single-region, multi-az AWS > deployment besides automatically setting dc and rack for you as the snitch > reads from EC2 metadata. > Obviously there is a concern with what if there is something wron

GossipingPropertyFileSnitch vs Ec2Snitch

2015-08-02 Thread John Wong
Hi Based on * http://docs.datastax.com/en/cassandra/2.0/cassandra/architecture/architectureSnitchEC2_t.html * http://docs.datastax.com/en/cassandra/2.0/cassandra/architecture/architectureSnitchGossipPF_c.html What other benefits can Ec2Snitch provide in a single-region, multi-az AWS deployment be