I suggest creating a ticket on https://issues.apache.org/jira/browse/CASSANDRA with the details.
If it is an immediate concern see if you can find someone in the #cassandra chat room http://cassandra.apache.org/ Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 1/06/2012, at 3:20 AM, Charles Brophy wrote: > Hi guys, > > We're running a three node cluster of cassandra 1.1 servers, originally 1.0.7 > and immediately after the upgrade the error logs of all three servers began > filling up with the following message: > > ERROR [ReplicateOnWriteStage:177] 2012-05-31 08:17:02,236 CounterContext.java > (line 381) invalid counter shard detected; > (3438afc0-7e71-11e1-0000-da5a9d01e7f7, 3, 4) and > (3438afc0-7e71-11e1-0000-da5a9d01e7f7, 3, 7) differ only in count; will pick > highest to self-heal; this indicates a bug or corruption generated a bad > counter shard > > ERROR [ValidationExecutor:20] 2012-05-31 08:17:01,570 CounterContext.java > (line 381) invalid counter shard detected; > (343cf580-7e71-11e1-0000-ebc411012bff, 14, 27) and > (343cf580-7e71-11e1-0000-ebc411012bff, 14, 21) differ only in count; will > pick highest to self-heal; this indicates a bug or corruption generated a bad > counter shard > > The counts change but the errors are constant. What is the best course of > action? Google only turns up the source code for these errors. > > Thanks! > Charles > >