Are you running a multi DC cluster? If yes do you have application in both data centers/regions ?
On Tue, Mar 21, 2017 at 8:07 PM, Shannon Carey <sca...@expedia.com> wrote: > I am seeing unexpected behavior: consistency level ONE increases read > latency 99th percentile to ~108ms (95th percentile to 5ms-90ms) up from > ~5ms (99th percentile) when using LOCAL_ONE. > > I am using DSE 5.0 with Datastax client 3.0.0. The client is configured > with a TokenAwarePolicy wrapping a DCAwareRoundRobinPolicy with > usedHostsPerRemoteDc set to a very high number. Cassandra cluster has two > datacenters. > > I would expect that when the cluster is operating normally (all local > nodes reachable), ONE would behave the same as LOCAL_ONE. The Does anyone > know why this is not the case? >
