> The EC2 nodes must be in the default VPC. Did you really mean the default VPC created by AWS or just a VPC? Because I would be very surprise default VPC must be used.
On Sat, Aug 15, 2015 at 2:50 AM, Prem Yadav <ipremya...@gmail.com> wrote: > > The EC2 nodes must be in the default VPC. > > create a ring in the VPC in region B. Use VPC peering to connect the > default and the region B VPC. > The two rings should join the existing one. Alter the replication strategy > to network replication so that the data is replicated to the new rings. > Repair the keyspaces. > Once it is done, you can decommission the existing ring. > > For spark,if you are using datastax version, it comes with spark. You just > need to change a config and spark starts along with cassandra. A separate > ring is advised for analytics stuff. > > > On Sat, Aug 15, 2015 at 1:10 AM, Aiman Parvaiz <ai...@flipagram.com> > wrote: > >> Hi all >> We are planning to move C* from EC2 (region A) to VPC in region B. I will >> enumerate our goals so that you guys can advice me keeping in mind the >> bigger picture. >> >> Goals: >> - Move to VPC is another region. >> - Enable Vnodes. >> - Bump up RF to 3. >> - Ability to have a spark cluster. >> >> I know this is a LOT of work and I know this all might not be possible in >> one go. >> >> Existing cluster in EC2 is using RF=2, simple snitch and simple >> replication. >> >> I am not sure what would be the best way to approach this task. So please >> anyone who has done this and would like to share anything I would really >> appreciate the effort. >> >> Thanks >> > >