[AccessD] Connections and Performance

Jim Dettman jimdettman at verizon.net
Fri Feb 2 11:15:30 CST 2007


John (and all),

  I think where some of the confusion might be coming in is when talking
about a JET backend vs. a MSDE one, the latter of which was throttled to
five users.  More connections could be made, but it slowed down quite a bit.

  A JET based BE can of course support up to 255 connections and I've seen
200+ (reporting only app).  For a typical read/write app, 30 to 40 is about
the most you would want to go, but it is still capable of going right up to
255.

Jim. 

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of JWColby
Sent: Friday, February 02, 2007 9:02 AM
To: 'Access Developers discussion and problem solving'
Subject: Re: [AccessD] Connections and Performance

>But, the connection limit for one BE is 5 FE's.

What does this mean?  I have never heard of any such thing.


John W. Colby
Colby Consulting
www.ColbyConsulting.com

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Dan Waters
Sent: Friday, February 02, 2007 8:58 AM
To: 'Access Developers discussion and problem solving'
Subject: [AccessD] Connections and Performance

I've read several times that maintaining a connection between a FE and a BE
will increase the performance of the FE because it doesn't need to reconnect
before transferring data.  The connection here would be a bound form
connected by a table link to a table in the BE.

But, the connection limit for one BE is 5 FE's.  So, will maintaining
connections on more than 5 FE's reduce performance?  Seems logical, but I
was wondering if this is correct or is there more to it?

Thanks!

Dan Waters

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