Hi, You have memtables on each machine. So
1) Yes 2) Yes, in any case you have to run nodetool flush for each node that you want to flush. In this case you run flush each node in your analytics DC. Hannu 2014-12-16 1:20 GMT+02:00 Benyi Wang <bewang.t...@gmail.com>: > > We have one ring and two virtual data centers in our Cassandra cluster? > one is for Real-Time and the other is for analytics. My questions are: > > 1. Are there memtables in Analytics Data Center? To my understanding, > it is true. > 2. Is it possible to flush memtables if exist in Analytics Data Center > only? > > I'm using Cassandra 1.0.7 for this cluster. > > Thanks. >
