Re: performance optimzations

From: Rod Taylor <pg(at)rbt(dot)ca>
To: Suchandra Thapa <s-thapa-11(at)alumni(dot)uchicago(dot)edu>
Cc: Postgresql Performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: performance optimzations
Date: 2003-11-13 13:47:33
Message-ID: 1068731245.31569.152.camel@jester
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> > Most clients will be interested in say the last 7 days worth of data?
> > Great.. Start out with 4GB ram on a good Dual CPU -- Opterons seem to
> > work quite well -- and make sure the motherboard can hold double that in
> > memory for an upgrade sometime next year when you've become popular.
>
> Unfortunately, the hardware available is pretty much fixed in regards to
> the system. I can play around with the raid configurations and have
> some limited choice in regards to the raid controller and number of
> drivers but that's about all in terms of hardware.

Good luck then. Unless the configuration takes into account incremental
additions in ram and disk, sustained growth could get very expensive. I
guess that depends on the business plan expectations.

This just puts more emphasis to offload everything you can onto machines
that can multiply.

> The current file system holding the user and email information indicates
> the current data has about 64GB (70K accounts, I'm not sure how many are
> active but 50% might be good guess). This seems to be somewhat of a
> steady state however.

35k clients checking their mail daily isn't so bad. Around 10 pages per
second peak load?

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