This is a relic of when Gossip was over UDP and had to worry about packet size. I created https://issues.apache.org/jira/browse/CASSANDRA-1138 to remove those notifications.
I think the correlation with MessageDeserializer is a red herring. Gossip only happens once per second so I don't see how that could back MD up. On Tue, May 25, 2010 at 5:33 PM, Anthony Molinaro <antho...@alumni.caltech.edu> wrote: > Hi, > > I just noticed I have lots of these messages > > INFO [GMFD:1] 2010-05-25 23:21:04,070 GossipDigestSynMessage.java (line 152) > Remaining bytes zero. Stopping deserialization in EndPointState. > INFO [GMFD:1] 2010-05-25 23:21:05,224 GossipDigestSynMessage.java (line 129) > @@@@ Breaking out to respect the MTU size in EPS. Estimate is 56 @@@@ > > The first message only occurs on some machines in my cluster. The second > on all of them. > > The ones with the first message seem to be building up quite a backlog > in their MessageDeserializer PendingTasks. > > I assume there is a correlation, what could be causing this sort of thing? > > This cluster is now at 27 m1.xlarge boxes on ec2 running 0.6.2 of some flavor. > > Thanks, > > -Anthony > > -- > ------------------------------------------------------------------------ > Anthony Molinaro <antho...@alumni.caltech.edu> > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
