will try this, thanks
On Tue, Jan 10, 2012 at 11:52 PM, Jun Rao <jun...@gmail.com> wrote: > Pierre-Yves, > > I assume that this is a producer problem. If so, first, make sure flush > interval is not too small. Second, you can enable debug logging in > FileMessageSet to see log flush time. Then you can see if it's higher than > what you expect. > > Thanks, > > Jun > > > On Tue, Jan 10, 2012 at 2:19 PM, Pierre-Yves Ritschard > <p...@spootnik.org>wrote: > >> Hi, >> >> One of my cluster runs on ec2 and I noticed that I have rather slow >> throughput, less than 500 per second. I isolated the trouble on the >> following setup >> >> 1 producer instance (m1.large) >> 5 consumer instances also running a broker (m2.xlarge) >> 1 zookeeper instance (m1.large) >> >> I am using a sync producer and have 60 partitions. >> >> On my local box, with everything running I would several thousand per >> second. >>