Re: How to add a node with zero downtime

2017-03-21 Thread daemeon reiydelle
Possible areas to check: - too few nodes (node overload) - you did not indicate either replication factor, number of nodes. Assume nodes are *rather* full. - network overload (check your TORS's errors, also the tcp stats on the relevant nodes) - look for stop the world garbage collection on multipl

How to add a node with zero downtime

2017-03-21 Thread Cogumelos Maravilha
Hi list, I'm using C* 3.10; authenticator: PasswordAuthenticator and authorizer: CassandraAuthorizer When adding a node and before |nodetool repair system_auth| finished all my clients die with: cassandra.cluster.NoHostAvailable: ('Unable to connect to any servers', {'10.100.100.19': Authentica