What is your garbage collection situation? This sounds like your server has stalled.
What is your transaction rate? Average size? On Wed, Jul 7, 2010 at 12:00 PM, Lakshman <lakshman...@huawei.com> wrote: > Hi Everyone, > > We are using zookeeper 3.3.1. And more frequently we are hitting > CancelledKeyException after startup of application. > Average response time is less than 50 milliseconds. But the last request > sent is not getting any response for 20 seconds so its timing out. > > When analyzed, we found some possible problem with CommitRequestProcessor. > > Following are the series of steps happening. > > Client has sent some request[exists, setData, etc.] > Server received the packet completely. That is submitted for processing. > [nextPending] > Client has sent some ping requests after that. > Server has received the ping request as well and that is also queued up. > Client is timing out as it didn't get any response from server. > This is because ping requests are also getting queued up into > queuedRequests. > Its waiting for a commitedRequest for the current nextPending operation. > > As per my understanding pings request from client need not be queued up and > can be processed immediately. > > Plz throw some pointers on this issue to me & do correct me if I went > wrong. > -- > Thanks & Regards > Laxman > > >
