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Date: Thu, 14 Dec 2006 12:30:25 -0600 (CST)
From: "Richard Lynch" <ceo@l-i-e.com>
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Subject: Re: [users@httpd] loadbalancing with Apache - Sticky Sessions

On Thu, December 14, 2006 10:16 am, Richard de Vries wrote:
> I'm experiencing some problems with our loadbalancer
> infrastructure over our Apache webservers and I've
> been asked to set some sort of Session ID either in
> the environment variables, or as part of the URL.
>
> Something the loadbalancers can use to determine
> session information.
>
> I was thinking of mod_rewrite perhaps but I have not
> been able to find any good information on generating
> session IDs etc.
>
> Does anyone have any good recommendations /
> suggestions?

If you happen to be running PHP, and you happen to be able to
integrate this well, there are settings in php.ini called
"use_trans_sid" which tell PHP to put its session id into the URL.

PHP will automatically cram the session id into every link, every
form, every src= and so on, if you turn that on.

You may also want to look at the notes from this talk:
http://jasonrexilius.com/GloballyDistributedWebCluster.php
in which Jason Rexilius describes a method of storing the session data
itself in the cookie in section 5)

I think he's got a more article-oriented version online somewhere, but
it didn't turn up in my quick Google.

-- 
Some people have a "gift" link here.
Know what I want?
I want you to buy a CD from some starving artist.
http://cdbaby.com/browse/from/lynch
Yeah, I get a buck. So?


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