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MS Access Forum / Multiuser / Networking / August 2005

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Very slow performance with 2 copies of db running on Terminal Services

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kiln - 08 Aug 2005 06:38 GMT
I have a pc setup as a Termial Services box (win2003). Each user has the
ability to run a completely distinct mde file. The mdb backend data file
is on the same computer. What puzzles me is that the 2nd mde that is
started has seriously degraded performance, at least with some queries.
One form that normally opens with data in hand more or less instantly
takes a minute to open (only on the 2nd instance of the mde). I've
opened taskmanager, and what I see is MSAccess.exe briefly using 2% of
cpu every couple of seconds, then none, then 2% again, then none, for
the entire minute. If I close the first-opened mde, the 2nd instance
which has been battling to see the light of day suddenly springs to
life.

The queries behing the form being opened are simple, and there are only
a couple thousand records in the tables. What is this resource
contention all about? I'd expected nothing like this with Access on TS.

Thanks
Paul Overway - 08 Aug 2005 14:38 GMT
See http://www.granite.ab.ca/access/performanceldblocking.htm for possible
cause.

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Paul Overway
Logico Solutions, LLC
www.logico-solutions.com

>I have a pc setup as a Termial Services box (win2003). Each user has the
> ability to run a completely distinct mde file. The mdb backend data file
[quoted text clipped - 13 lines]
>
> Thanks
kiln - 09 Aug 2005 23:34 GMT
> See http://www.granite.ab.ca/access/performanceldblocking.htm for possible
> cause.

Hi Paul

No kidding did that ever make a difference! Thanks for the pointer.
Tony Toews - 10 Aug 2005 03:36 GMT
>> See http://www.granite.ab.ca/access/performanceldblocking.htm for possible
>> cause.
>>
>No kidding did that ever make a difference! Thanks for the pointer.

Thanks for the comments.  They make the effort worthwhile.

Tony
Signature

Tony Toews, Microsoft Access MVP
  Please respond only in the newsgroups so that others can
read the entire thread of messages.
  Microsoft Access Links, Hints, Tips & Accounting Systems at
http://www.granite.ab.ca/accsmstr.htm

Tony Toews - 10 Aug 2005 03:36 GMT
>I have a pc setup as a Termial Services box (win2003). Each user has the
>ability to run a completely distinct mde file.

And each user *should* run their own completely distinct MDE.

See the "Splitting your app into a front end and back end Tips" page
at http://www.granite.ab.ca/access/splitapp/ for more info.  See the
Auto FE Updater downloads page
http://www.granite.ab.ca/access/autofe.htm to make this relatively
painless..   The utility also supports Terminal Server/Citrix quite
nicely.

Tony
Signature

Tony Toews, Microsoft Access MVP
  Please respond only in the newsgroups so that others can
read the entire thread of messages.
  Microsoft Access Links, Hints, Tips & Accounting Systems at
http://www.granite.ab.ca/accsmstr.htm

 
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