is it better to upstream php processes via nginx or use a front facing load balancer?
david at icewatermedia.com
Thu Sep 10 16:59:32 MSD 2009
We use nginx as a pure LB.
All php sessions and static files are shared to all apache 2 webheads via OCFS2.
Then we use upstream fair, and removed the need for sticky sessions ( by using a clustered FS to share the session files to all nodes)
This lets every image/html/php request go to different webheads for maximum response for the EU.
Also we wrote it so if nginx gets a proxy error, it marks the webhead as bad and reprocess the request until it finds a good webhead to proxy to.
Btw use use apache webheads so we can use php as a module rather than fcgi and spawn php type methods.
Hope it helps
From: owner-nginx at sysoev.ru [mailto:owner-nginx at sysoev.ru] On Behalf Of Dinh Pham
Sent: Thursday, September 10, 2009 4:36 AM
To: nginx at sysoev.ru
Subject: Re: is it better to upstream php processes via nginx or use a front facing load balancer?
How high traffic have your sites got?
In my system, Nginx plays a role of a LB and static file server. It dispatches .php requests to a pool of Apache instances and PHP FCGI. It works great for 600 000+ page views per day.
Ilan Berkner wrote:
> Is it better to use a hardware load balancer in front of multiple
> nginx boxes, each running their own php processes or is it better to
> use nginx's upstream functionality and round robin php requests?
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