-- Jeff Jirsa
> On Mar 6, 2018, at 12:32 AM, Oleksandr Shulgin <oleksandr.shul...@zalando.de> > wrote: > > On 5 Mar 2018 16:13, "Jeff Jirsa" <jji...@gmail.com> wrote: >> On Mar 5, 2018, at 6:40 AM, Oleksandr Shulgin <oleksandr.shul...@zalando.de> >> wrote: >> We were deploying a second DC today with 3 seed nodes (30 nodes in total) >> and we have noticed that all seed nodes reported the following: >> >> INFO 10:20:50 Create new Keyspace: KeyspaceMetadata{name=system_traces, >> params=KeyspaceParams{durable_writes=true, >> replication=ReplicationParams{class=org.apache.cassandra.locator.SimpleStrategy, >> replication_factor=2}}, ... >> >> followed by similar lines for system_distributed and system_auth. Is this >> to be expected? > They’re written with timestamp=0 to ensure they’re created at least once, but > if you’ve ever issued an ALTER to the table or keyspace, your modified > version will win through normal schema reconciliation process. > > OK. Any specific reason why non-bootstrapping nodes don't wait for schema > propagation before joining the ring? > They do in 3.0 and newer, the built in keyspaces still get auto created before that happens