Define "disconnected". If the user came back before the session timed out,
I'd figure he'd still be golden - single server or
clustered-as-described-below.
What I was talking about is say, Joe User comes along to your site. You have
Servers A, B, C. Whatever load-balancing situation you have going determines
B is the least utilized now, so sends Joe on to B. Joe stays on B for the
duration. If Joe leaves, his session times out, and he comes back the next
day, start over. But if he sticks around and keeps hitting the site (and
refreshing the session timeout), he'd stay on B.
Mind you, I couldn't get into details on how they do this - I'm just
relaying stuff from the meeting we had with some Allaire guys, and this is
what they told us.
> -----Original Message-----
> From: Todd Ashworth [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, May 16, 2000 2:13 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Session vars in a clustered environment
>
>
> Round-robin DNS would do the trick .. but then again .. what
> happens if they
> get disconnected from the site? Or are you talking about
> having the user
> *always* go to the same machine?
>
> Todd Ashworth
> Web Application Developer
> (803) 327-0137 [111]
> _____________________________________________
> Ask about our low-cost, 100% user-configurable, turn-key
> web sites that can have your business on the web in minutes!
> Saber Designs - Web sites done right, right now!
>
> ----- Original Message -----
> From: "Scott Weikert" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, May 16, 2000 4:41 PM
> Subject: RE: Session vars in a clustered environment
>
>
> | We discussed this thing with an Allaire guy just last week.
> He said that
> | currently, you can't pass session variables around between clustered
> | servers. He did say that things can be set up so that users
> stick to the
> | server they come into - so you CAN set session variables,
> and said user
> will
> | just stay on that server for the duration of his session.
> The initial
> choice
> | of what server the user hits would naturally be determined by load
> | balancing...
> |
> | > -----Original Message-----
> | > From: Owens, Howard [mailto:[EMAIL PROTECTED]]
> | > Sent: Tuesday, May 16, 2000 1:15 PM
> | > To: '[EMAIL PROTECTED]'
> | > Subject: Session vars in a clustered environment
> | >
> | >
> | >
> | >
> | > I've never worked with session variables on clustered
> servers. I read
> | > somewhere ... and can't remember where ... that I might have
> | > a problem here.
> | >
> | > What I want to do is have my forms (as I mentioned in a
> previous post)
> | > transform form vars over a series of submissions into session
> | > vars and then
> | > collect the session vars at the end for input into the db.
> | >
> | > But this app is going to live on a server cluster. Can I
> | > still do this?
> | >
> | > What about client vars?
> | >
> | > Aren't session vars stored in RAM and client vars in the
> | > registry (unless
> | > otherwise specified)? And because of that, aren't they
> | > confined to a single
> | > machine?
> | >
> | > What are my alternatives?
> | >
> | > H.
> | >
> | > =========================
> | > Howard Owens
> | > Web Producer
> | > InsideVC.com
> | > mailto:[EMAIL PROTECTED]
> | > =========================
>
>
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