To clarify... you have 2 datacenters with Datastax, and you want to expand to a third DC with Opensource Cassandra? Is this a temporary migration strategy? I would not want to run in this state for very long.
For Datastax, you should reach out to their support for questions. However, speaking from experience, these are required and will be created upon restart of DSE nodes. Even worse, they use custom replication strategies (EverywhereStrategy), that will prevent open source from working, or the nodes from even starting. You can update EverywhereStrategy to Network topology strategy, but be forewarned it will reset back to EverywhereStrategy when you simply restart a Datastax node. Long story short, use Datastax support for info on their product, and be very careful. Also note I don't have specific experience with your exact scenario. (My experience with Datastax is version 4.6-5.0) On Wed, Jul 24, 2019, 10:34 AM Rahul Reddy <rahulreddy1...@gmail.com> wrote: > Hello, > > I have 2 data centers with dse Cassandra added new DC with apache > Cassandra . Dse_perf,dse_systen,dse_security,dse_leases keypsaces created > as well . Can we delete them ? >
