Many thanks Maxim.

Have a nice week-end..

Nicolas FLINOIS
ALTEN Contracting Company
Amadeus, Sales & e-Commerce Platform
T: + 33 (0) 4 92 94 63 50 (Ext:6350)
nicolas.flinois@amadeus.com
www.amadeus.com/



From: Maxim Dounin <mdounin@mdounin.ru>
To: nginx@nginx.org,
Date: 27/06/2014 18:35
Subject: Re: Upstream performances: what if one node only ?
Sent by: nginx-bounces@nginx.org



Hello!

On Fri, Jun 27, 2014 at 03:53:24PM +0200, Nicolas Flinois wrote:

> Hi all,
>
> I am wondering about the possible extra-cost of using a single-node
> upstream into proxy_pass compared with 'proxy_pass host' directly.
> I need to automate application servers move, and find convenient to
update
> upstream definitions only (defined into dedicated files).
>
> Solution1:
>
> upstream upOne {
> server somehost;
> }
> [..]
> proxy_pass upOne;
>
>
> Solution2:
>
> proxy_pass somehost;
>
> Is solution1 more time-consuming than solution2 at run-time ?

There is no difference. Internally, proxy_pass with a hostname
creates an implicit upstream{} with a single server, and uses it.

--
Maxim Dounin
http://nginx.org/

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