Unsubscribe On Tue, Jul 19, 2022, 12:25 Stefan Miklosovic (Jira) <j...@apache.org> wrote:
> > [ > https://issues.apache.org/jira/browse/CASSANDRA-17759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel > ] > > Stefan Miklosovic updated CASSANDRA-17759: > ------------------------------------------ > Summary: Altering / creating of a keyspace on insufficient number of > replicas should filter out gosspping only members (was: Creation of a > keyspace with RF equal to all nodes including gossipping-only members > should fail) > > > Altering / creating of a keyspace on insufficient number of replicas > should filter out gosspping only members > > > ------------------------------------------------------------------------------------------------------------- > > > > Key: CASSANDRA-17759 > > URL: > https://issues.apache.org/jira/browse/CASSANDRA-17759 > > Project: Cassandra > > Issue Type: New Feature > > Components: Legacy/CQL > > Reporter: Stefan Miklosovic > > Assignee: Stefan Miklosovic > > Priority: Normal > > Fix For: 3.11.x, 4.0.x, 4.1.x, 4.x > > > > > > Imagine there is a 5-node cluster where two nodes are gossipping-only > members (-Dcassandra.join_ring=false) - or in other words, 3 data nodes and > 2 "coordinator" nodes. > > Coordinator nodes are capable to speak CQL as well so requests can be > executed against them. If we create a keyspace against such node, like > "create keyspace ks1 with replication = {class = "NTS", "dc1": 5}, this > query succeeds but if we set CONSISTENCY to ALL in cqlsh and we try to > insert some data into a table of such keyspace, it will fail - because it > does not have enough replicas. It has only 3. > > If this query is executed on data node (a proper member of a ring), this > should fail too. I think there is a mechanism how to do this, like by > Guardrails but there is no check which would include gossipping-only > members into consideration. > > Ideally, we might introduce a check which would check that the > replication factor is at most as big as the number of members - irrelevant > of their current status, they just have to be members of the ring. > > > > -- > This message was sent by Atlassian Jira > (v8.20.10#820010) > > --------------------------------------------------------------------- > To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org > For additional commands, e-mail: commits-h...@cassandra.apache.org > >
