Actually, just saw the error message in those logs and what you're looking at is probably https://issues.apache.org/jira/browse/CASSANDRA-12694
Kurt Greaves k...@instaclustr.com www.instaclustr.com On 21 November 2016 at 08:59, kurt Greaves <k...@instaclustr.com> wrote: > That's a debug message. From the sound of it, it's triggered on read where > there is a digest mismatch between replicas. As to whether it's normal, > well that depends on your cluster. Are the nodes reporting lots of dropped > mutations and are you writing at <QUORUM? >