Nginx response rate increases with more upstream ports

[Dave Cheney]

Do all the upstreams run on the same machine ?

On 16/06/2009, at 8:26 PM, Avleen Vig wrote:

> 2009/6/16 Igor Sysoev <is at rambler-co.ru>:
>> What do you mean by upstream ports ? This
>>
>>    upstream backend {
>>        server  backend:9000;
>>        server  backend:9001;
>>        server  backend:9002;
>>        server  backend:9003;
>>        ...
>>    }
>>
>> ?
>>
>> In this case you run 50 backend processes and they compete for CPU.
>
> Hmm
> I have a total of 40 unique upstream server:port listed, in about 12
> different upstream{} blocks.
>
> Does this mean I should run 40 nginx child processes to get the most  
> efficiency?
> Or something which divides equally into 40 (10, 20)?
>