Details for 600.000 messages per second benchmark.
Environment : Azure Cloud, Ubuntu 12.04 LTS 64bit servers
Host - Servers : 2 x 2 cores servers (clustered)
Client - Servers : 2 x 2 cores, 2 x 4 cores
Server Application : chat sample (sample folder)
Client Application : socket test (JavaClient / test folder)
1 x 2 cores + 1 x 4 cores client servers hit to first server
1 x 2 cores + 1 x 4 cores client servers hit to second server
2000 concurrent clients / 600K messages per second received by client servers in avarage
We run the test for ~24 hours / total ~50 Billion messages sent
Multi-server tutorial is available from: http://jxm.io/multi-server-messaging-backend-installation/