How much daa do you have and what is the timeline? If you can manage with a maintenance window the snapshot / move and restore method may be the fastest. Streaming data can take a long time to sync two DCs if there is a lot of data.
-- Rahul Singh rahul.si...@anant.us Anant Corporation On Jun 14, 2018, 4:11 AM -0400, Christian Lorenz <christian.lor...@webtrekk.com>, wrote: > Hi, > > we need to move our existing cassandra cluster to new hardware nodes. > Currently the cluster size is 8 members, they need to be moved to 8 new > machines. Cassandra version in use is 3.11.1. Unfortunately we use > materialized views in production. I know that they have been marked > retroactively as experimental. > What is a good way to move to the new machines? One-by-One, or setup a new > cluster as a separate DC? The move should be done without downtime of the > application. > > Do you have some advice for this kind of maintenance task? > > Kind regards, > Christian
