RE: NTS, vnodes and 0% chance of data loss

2014-05-16 Thread Mark Farnan
Why not use NetworkTopology and specify each region as a ‘DC’ ? Setup a snitch (propertyFile or Gossip, or even the EC2Region one) to list out which nodes are in which DC. Then when creating the Keyspace, specify NetworkTopology, with RF1 in each DC / Rack. Ie. CREATE KEYSPACE fred

Re: NTS, vnodes and 0% chance of data loss

2014-05-14 Thread William Oberman
After sleeping on this, I'm sure my original conclusions are wrong. In all of the referenced cases/threads, I internalized "rack awareness" and "hotspots" to mean something different and wrong. A hotspot didn't mean multiple replicas in the same rack (as I had been thinking), it meant the process