(D'oh, missed your details in the PS.. :D) I don't know whether the .NET client uses thrift or native protocol..
Re 2.0.2 in production : https://engineering.eventbrite.com/what-version-of-cassandra-should-i-run/ =Rob On Thu, Jan 2, 2014 at 2:13 PM, Robert Coli <rc...@eventbrite.com> wrote: > On Thu, Jan 2, 2014 at 2:05 PM, Thunder Stumpges < > thunder.stump...@gmail.com> wrote: > >> I am seeing a read operation delay in our small (3 node) cluster where I >> am testing. The "normal" latency for these operations is < 2ms as recorded >> by our load client. This holds easily beyond several hundred qps. However >> there are times when all incoming queries (on a node-by-node basis) are >> stalled anywhere from ~100-500ms, and then all "clear" and return at the >> same time. This behavior is independent of the amount of load applied; Just >> more queries get stalled at higher loads :). It seems like a "stall" >> condition happens maybe every 30 seconds or so. >> > > What version of cassandra, what configuration for thrift server if > relevant, what protocol being used? > > The JVM can be expected to pause for 100-500ms while doing GC, cassandra > logs the various GC types, what do you see in those logs? What does > "nodetool tpstats" say when it happens? > > =Rob > >
