It uses a “everywhere” replication strategy and its recommended to do all alter / create / drop statements with consistency level all — meaning it wouldn’t make the change to the schema if the nodes are up.
-- Rahul Singh rahul.si...@anant.us Anant Corporation On Apr 17, 2018, 12:31 AM -0500, Jinhua Luo <luajit...@gmail.com>, wrote: > Yes, I know it must be in system schema. > > But how c* replicates the user defined schema to all nodes? If it > applies the same RWN model to them, then what's the R and W? > And when a failed node comes back to the cluster, how to recover the > schema updates it may miss during the outage? > > 2018-04-16 17:01 GMT+08:00 DuyHai Doan <doanduy...@gmail.com>: > > There is a system_schema keyspace to store all the schema information > > > > https://docs.datastax.com/en/cql/3.3/cql/cql_using/useQuerySystem.html#useQuerySystem__table_bhg_1bw_4v > > > > On Mon, Apr 16, 2018 at 10:48 AM, Jinhua Luo <luajit...@gmail.com> wrote: > > > > > > Hi All, > > > > > > Does c* use predefined keyspace/tables to store the user defined schema? > > > If so, what's the RWN of those meta schema? And what's the procedure > > > to update them? > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > > > For additional commands, e-mail: user-h...@cassandra.apache.org > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > For additional commands, e-mail: user-h...@cassandra.apache.org >
