Re:Cassandra at Apple: 1000s of Clusters, 300k Nodes, 100 PB
by _benedict on Sunday October 09, 2022 @06:25AM
(#33139679)
You can only SELECT at QUORUM if you are guaranteed to be able to SELECT it again at QUORUM, ie it must be durable (and the QUORUM read will ensure it if the prior write did not).
If you are selecting at ONE then yes, you can expect stale replies if you contact a different node. That is what the consistency level means; that just one node has seen the write.
If you are selecting at ONE then yes, you can expect stale replies if you contact a different node. That is what the consistency level means; that just one node has seen the write.