Stacy,
This is great info.. can you please explain on...
"CFMX is cool because you can easily load balance the session
data across a
cluster just by editing a server buddy list!"
How do you go about doing this?
Joe
----- Original Message -----
From: "Stacy Young" <[EMAIL PROTECTED]>
To: "CF-Talk" <[EMAIL PROTECTED]>
Sent: Thursday, July 25, 2002 12:19 PM
Subject: RE: Measuring session scope impact on memory?
> Hi Andre,
>
> I'm storing plenty of objects in session scope relating to
> reporting/queries....and I've used a rather primitive method of
determining
> memory requirements....I output a typical session to flatfile and measure
> the bytes. Then I've got a rough estimate per user session. I think you'll
> find you can hold a lot more data with ur existing RAM then you thought!
>
> I used to use query caching but I found it was holding recordsets longer
> than it had to...if they're in session then they'll dissipate when the
> sessions over either via logout or browser close...but I'll be honest...I
> wouldn't have moved to the session solution before CFMX but that's really
> just paranoia on my part...
>
> CFMX is cool because you can easily load balance the session data across a
> cluster just by editing a server buddy list!
>
> Hope that helps,
>
> Stace
>
> -----Original Message-----
> From: Andre Turrettini [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, July 25, 2002 11:48 AM
> To: CF-Talk
> Subject: Measuring session scope impact on memory?
>
> Hi, I've never read anything about this so this q is for the gurus!
Please
> read completely and thanks for your attention. Let me describe the issue
> then I'll ask my question.
>
> I've pretty much stuck to client vars to avoid ugly locking code. However
> now, I have a use for them. I need to store dozens of queries in a
> structure in the session scope. I've got it coded and it works like a
> charm(Yes its locked) saving lots of time for the database server. The
> performance savings is dramatic as the queries that were repeatedly
> generated each time took time away from other tasks. Client vars might
not
> be so good as I"d have to wddx the whole thing back and forth which would
be
> a big chunk of data to and fro from the server. Plus the serialization
and
> deserialization overhead. Cacheing the queries is not good as each user
> will have different queries.
>
> So, to my question. I've estimated this would take a gig of ram per
server
> to store these queries for all of our users. So, (1)is there a way to
> measure how much memory is being allocated for session vars? (2)When I
look
> at the cf memory, will it go from 60megs to a gig? Anyone tried this and
> gotten burnt? Thanks. DRE
>
>
>
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