filepro RAM limit

[Keith F Weatherhead]

On Fri, May 11, 2007 8:50, Fairlight said:
> On Fri, May 11, 2007 at 09:28:11AM -0400, scooter6, the prominent
> pundit,
> witicized:
>> I have a customer who is running filepro 5.0.09R4 on a SCO
>> OpenServer
>> 5.0.5platform --
>>
>> Hardware is a Dell Poweredge Server - 2.4GHz processor
>
> I note you omit the OS...which would be relevant to this discussion
> in some
> circumstances.

Mark, he specified [SCO] OpenServer 5.0.5, how much more do you need?

Keith

>> Everything has been working great for about 3 yrs now -- I decided
>> to
>> upgrade their RAM -- they only had 512MB -- so, I'm at client's
>> site --
>> ordered 2GB from Dell and installed it last night -- everything
>> booted fine
>> and ran a couple of processes last night - including some indexes
>> - and it
>> seemed a bit faster - just not REALLY faster like I would have
>> thought --
>>
>> During their series of night time processes that runs nightly, it
>> wasn't any
>> faster at all to complete -- still takes about an hour and a half
>> ???
>>
>> Anyone have any suggestions on why the filepro processes wouldn't
>> be
>> noticably quicker to run ???
>> Thanks
>
> Well, if your benchmark is rebuilding indexes and doing reports,
> you've
> upgraded the wrong components.  Those tasks use very little memory
> by
> comparison, and your main bottleneck is disk I/O speed--especially
> on an
> index rebuild, since that's almost all disk I/O.  Faster drives and
> bus
> speeds would help.
>
> The key is whether or not you were maxing memory usage to begin
> with.  If
> you weren't, then upgrading the amount of RAM is meaningless for
> this
> use--a waste of money.  The only way more RAM will increase speed is
> if
> you're going into swap before an upgrade and not needing swap after
> it.
> fP is a low-memory-consumption application, mostly affected by how
> many
> instances of its programs are running concurrently.  First place to
> look is
> not RAM, it's hard drive throughput and performance.
>
> mark->
> --
> No matter what your problems, modern medicine can help!
> http://members.iglou.com/fairlite/fixital/
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-- 
Keith F Weatherhead              keithw at ddltd.com
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