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Nginx response rate increases with more upstream ports

Asif Ali
June 16, 2009 02:20AM
Dear All,
I am trying to resolve a particular issue that is not getting solved easily.

Nginx is able to route requests but the speed of routing is slowing
down..when I am increasing the number of upstream ports.

I have an app which responds in under 500ms. When I route those requests
through nginx to about 50 ports, nginx response rates increases to 1500-2500
ms whereas the app can handle large concurrent requests and there are as
many as 50 ports.

I have tried this with both fair and e-y load balancer but with similar
results.

I have also tuned nginx configuration for response times, timeouts etc but
still I see similar results.

Can anyone advise me if they have experienced a similar problem earlier and
if they have a solution for this?.

Thanks in advance

Asif
Subject Author Posted

Nginx response rate increases with more upstream ports

Asif Ali June 16, 2009 02:20AM

Re: Nginx response rate increases with more upstream ports

Dave Cheney June 16, 2009 02:55AM

Re: Nginx response rate increases with more upstream ports

Igor Sysoev June 16, 2009 06:05AM

Re: Nginx response rate increases with more upstream ports

Avleen Vig June 16, 2009 06:26AM

Re: Nginx response rate increases with more upstream ports

Igor Sysoev June 16, 2009 06:54AM

Re: Nginx response rate increases with more upstream ports

Avleen Vig June 16, 2009 07:34AM

Re: Nginx response rate increases with more upstream ports

Asif Ali June 17, 2009 09:19AM

Re: Nginx response rate increases with more upstream ports

Igor Sysoev June 17, 2009 09:30AM

Re: Nginx response rate increases with more upstream ports

Dave Cheney June 16, 2009 06:57AM

Re: Nginx response rate increases with more upstream ports

Dave Cheney June 17, 2009 10:11AM



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