On Mon, Aug 13, 2018 at 3:50 PM Vitali Dyachuk <vdjat...@gmail.com> wrote:
> Hello, > I'm going to follow this documentation to add a new datacenter to the C* > cluster > > https://docs.datastax.com/en/cassandra/3.0/cassandra/operations/opsAddDCToCluster.html > > The main step is to run nodetool rebuild which will sync data to the new > datacenter, > this will load cluster badly since the main keyspace size is 2TB. > 1) What are the best practicies to add a new datacenter with a lot of data? > Hi, If you fear overloading the source DC for rebuild, you can try starting rebuild one node at a time on the target DC. Better options exist for throttling, see below. > 2) How is it possible to stop rebuild? > You can stop rebuild on a single node by restarting Cassandra server process. Rebuild can be resumed by running `nodetool rebuild ...` again. > 3) What are the throttling possibilities > nodetool setstreamingthroughput Cheers, -- Alex
