Maybe I'm overlooking something, but the first thing that came to my mind is: wouldn't you get no network latency at all on your local box if everything runs on the same machine?
On EC2, the network latency would bring your overal throughput down, especially with a sync producer, wouldn't it? -- Felix On Tue, Jan 10, 2012 at 5:19 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. >
