On Tue, Nov 19, 2013 at 7:24 AM, Alain RODRIGUEZ <arodr...@gmail.com>wrote:
> - Can we add multiple nodes at once (The previous rule was no more than > one server per range at the same time...) > Vnodes are just like a lot of nodes. So no. > - Can we decommission multiple nodes at the same time (I used to do it > when not on the same part of the ring - taking replicas into account). > This becomes much more difficult/impossible with 256 virtual nodes per hardware node. > - Is there a way to distribute smartly heavy operations such as repair or > cleanup through nodes ? (Using a RF of 3, previously I just use to launch a > repair or cleanup on one node out of 3 in token order. With this I was sure > that at least 2 nodes out of 3 weren't performing a repair and were > available to answer queries fast enough, is there a way to reproduce this > behavior using vnodes ?) > No, but that's a design feature of vnodes, you repair fewer ranges per node and the repair is spread among more nodes. May or may not be a win in practice, as I don't use vnodes I don't know! > If someone could point me to a "best practice in cassandra management with > vnodes" article / blog / tuto, It would be very cool. > I'll let you know when I deploy vnodes and then write it, lol. :) > How to configure rpc_address, using ec2MultiRegionSnitch, I mean should it > be public ip or private ip ? (I have private IP as listen_address and > public IP as broadcast_address. Seeds are public IPs) > I don't know the answer, but are you sure you want to use EC2MultiRegionSnitch? https://issues.apache.org/jira/browse/CASSANDRA-3810 =Rob
