On Wed, Apr 24, 2013 at 5:03 AM, Michael Theroux <mthero...@yahoo.com> wrote: > Another related question. Once we see messages being dropped on one node, > our cassandra client appears to see this, reporting errors. We use > LOCAL_QUORUM with a RF of 3 on all queries. Any idea why clients would see > an error? If only one node reports an error, shouldn't the consistency level > prevent the client from seeing an issue?
If the client is talking to a broken/degraded coordinator node, RF/CL are unable to protect it from RPCTimeout. If it is unable to coordinate the request in a timely fashion, your clients will get errors. =Rob
