Re: What happens to coordinators and clients when I drain a node?

2017-11-22 Thread kurt greaves
It stops accepting writes immediately. New requests won't be sent to the node, but existing in-flight queries should be completed. There could be some client exceptions for coordinated queries, but if you have speculative execution set up on your clients these cases should be covered. Consistency

What happens to coordinators and clients when I drain a node?

2017-11-22 Thread Daniel Woo
Hi guys, I have two questions about the drain status. The doc says when a node is drained it stops accepting new requests and flush memtable to disk. Does it stops accepting new requests immediately or wait for the majority of the nodes to gossip about the DRAINED status? If it stops accepting

Re: Reg:- CassandraRoleManager skipped default role setup Issue

2017-11-22 Thread @Nandan@
Hi Jai, I checked nodetool describecluster and got same schema version on all 4 nodes. > [nandan@node-1 ~]$ nodetool describecluster Cluster Information: Name: Nandan Snitch: org.apache.cassandra.locator.DynamicEndpointSnitch Partitioner: org.apache.cassandra.dht.Murmur3Partitioner Schema

Re: Reg:- CassandraRoleManager skipped default role setup Issue

2017-11-22 Thread Jai Bheemsen Rao Dhanwada
Can you do a nodetool describecluster and check if the schema version is matching on all the nodes? On Tue, Nov 21, 2017 at 11:52 PM, @Nandan@ wrote: > Hi Team, > > Today I set up a test cluster with 4 nodes and using Apache Cassandra > 3.1.1 version. > After

Backup and Restore in cassandra

2017-11-22 Thread Akshit Jain
What is the correct process to backup and restore in cassandra? Should we do backup node by node like first schema backup from all the nodes then all other stuff? In restore the schema should be restored on one node or all the nodes again?It will give Already Exists Exception but still what's the

Re: Full repair use case

2017-11-22 Thread Alain RODRIGUEZ
Hi, Is there any use case where we need full repair and incremental repair will > not help? To complete the answer from Jon above, my understanding is that even if incremental repairs work well for you, if a node loses some repaired information for some reason (corrupted SSTable, disk failure,