Throughput with Loadbalancer

Lucas Rolff lucas at
Tue Sep 29 06:32:12 UTC 2015

You'll decrease your capacity to 1 gigabit, because you'll send it out 
via the load balancer again.
Else you need to look for "DSR" (Direct Server Return), I'm not 
completely sure if nginx actually supports this.

> wolfgangpue <mailto:nginx-forum at>
> 29 Sep 2015 08:21
> Hi,
> I am not sure how the load balancer affect the data throughput.
> For example: I have two nginx server with 1 Gps network connection.
> When I configure the first server as nginx load balancer and as upstream
> server and the second server only as upstream server.
> Is the second upstream server sending its data directly to the client 
> or is
> the data routed through the load balancer (first server). When all data is
> routed through the first server I have only a maximum bandwith of 1 
> Gbps. If
> the second server sends his data directly to the client I have a maximum
> bandwith of 2 Gbps. And if the second server sends its data directly 
> to the
> server, does the response data contain the ip of the second upstream
> server?
> So which one is correct?
> Best Regards
> Wolfgang
> Posted at Nginx Forum: 
> _______________________________________________
> nginx mailing list
> nginx at

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the nginx mailing list