Thanks Ben, RF 3 isn't sufficient for system_auth? as we are using 3 RF for other production KS, do you see any challenges?
On Wed, Jan 18, 2017 at 2:39 PM, Ben Bromhead <b...@instaclustr.com> wrote: > We have a process that syncs and manages RF==N and we also control and > manage users, however that entails it's own set of challenges and > maintenance. > > For most users I would suggest 3 < RF <=5 is sufficient. Also make sure > you don't use the user "Cassandra" in production as authentication queries > are done at QUORUM. > > On Wed, 18 Jan 2017 at 13:41 Jai Bheemsen Rao Dhanwada < > jaibheem...@gmail.com> wrote: > >> Hello, >> >> When enabling Authentication on cassandra, is it required to set the RF >> same as the no.of nodes(https://docs.datastax. >> com/en/cql/3.1/cql/cql_using/update_ks_rf_t.html)? or can I live with RF >> of 3 in each DC (other KS are using 3) >> >> If it has to be equal to the number of nodes then, every time adding or >> removing a node requires update of RF. >> >> Thanks in advance. >> > -- > Ben Bromhead > CTO | Instaclustr <https://www.instaclustr.com/> > +1 650 284 9692 <+1%20650-284-9692> > Managed Cassandra / Spark on AWS, Azure and Softlayer >
