HP3000-L Archives

April 1997, Week 4

HP3000-L@RAVEN.UTC.EDU

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From:
Joe Geiser <[log in to unmask]>
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Date:
Fri, 25 Apr 1997 18:15:27 -0400
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> From: Donna Garverick <[log in to unmask]>
> To: [log in to unmask]
> Subject: quick & easy performance measurement?
> Date: Friday, April 25, 1997 2:38 PM
>
> hi all!
>
> i'm beginning to think that having 64 Mb of memory is not enough on my
> 918.  why?  primarily, because some (not all) of my users are
> complaining about really long database update times (like 5-10
> minutes).  i don't believe the problem is in the databases themselves
> (i.e., being full, etc.).  when i originally spec'ed the machine,
> everyone was making serial connections...9 months later - i've got 2
> folks still connecting this way :-)  on average, i've maybe got 12
> sessions logged on.  i've also got two odbc listener jobs running all
> the time.  disc space in general is not a problem either.

Donna,

MPE/iX is always hungry for memory --- the more memory you throw at it,
the better.  Although you only have 12 users (however connected), you also
have 2 ODBC listeners running as well.  What are these jobs doing and how
many databases/users/processes are *they* supporting?

...and why 2 listeners?  are you using two different ODBC products?
Depending on what these two jobs are supporting (and whether they are
kicking themselves into the CS Subqueue), these could be the sticking
issue as well.

All in all, 64 MB is light, even for a 918.  I would suspect that more
memory would be in order.  Glance would not tell you much about that
because again, MPE will take all available memory for mapping files, which
improves your file access in many cases...  It might, however, tell you
about any CPU bottlenecks and so forth.

Hope this helps...Have a good weekend,
Joe
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Joe Geiser - CSI Business Solutions, LLC
140 Bristol-Oxford Valley Road, Suite 102
Langhorne, PA  19047-3083, USA
Phone: (215) 945-8100     Fax: (215) 943-8408
[log in to unmask]            http://www.csillc.com
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