Reverse proxy performance woes
is at rambler-co.ru
Thu Sep 4 10:02:44 MSD 2008
On Wed, Sep 03, 2008 at 05:27:14PM -0500, Clint Priest wrote:
> Hey all, I'm running into performance issues with nginx as a load
> balancer. I have three web servers and one load balancer server. All
> four of them have nginx installed and setup.
> Using a stress testing tool (jMeter) I am able to get 220 requests per
> second from any of the three web servers. When I go to the load
> balancer I cannot break 180/s.
> All four of the servers are on the same /24 network, the stress test
> server is on another /24 network.
> Any ideas on what it could be?
What do you use as backends ? If backends are java-based, then it can be
java accept connection overhead: nginx currently does not use persistent
connection to backends. Also, nginx as intermediate link will always add
some delay, however, I do not think that this delay can be so huge on
so low request rate (180r/s vs 220r/s).
More information about the nginx