Re: Building Big Ass Linux Machine, what are the limits?

Wojtek Pilorz (wpilorz@bdk.pl)
Mon, 28 Sep 1998 11:13:08 +0200 (MET DST)


On 28 Sep 1998 ketil@ii.uib.no wrote:

> Date: 28 Sep 1998 09:15:16 +0200
> From: ketil@ii.uib.no
> To: linux-kernel@vger.rutgers.edu
> Subject: Re: Building Big Ass Linux Machine, what are the limits?
>
[...]
>
> Last time the cache discussion was brought up - a long time ago, surely,
> it was concluded that controllers with cache was evil - or at best, a
> waste of money, and that that money was better spent on RAM, which is
> usually cheaper and faster, anyway. Has something changed?
Where you want safe delayed write, than controllers with cache
can have one important advantage: battery backup for the cache memory
on board;
Whether the cost is justified - this depends on application.

Assuming the server will never die for any reason (including RAM failure,
UPS failure, etc) - extra RAM is surely the way to go, but how can one
be sure?

>
[...]
Best regards,

Wojtek Pilorz
Wojtek.Pilorz@bdk.lublin.pl

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