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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.arch
Subject: Re: architectural goals, Byte Addressability And Beyond
Date: Tue, 4 Jun 2024 01:30:49 -0000 (UTC)
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On Sat, 1 Jun 2024 07:47:49 -0000 (UTC), Thomas Koenig wrote:

> One of the main selling points [of zSeries] is the hardware
> reliability ...

Quite an expensive way to get reliability. How does an outfit like Google 
achieve essentially 0% downtime? By running a swarm of half a million 
commodity servers, that’s how. Every part has been built to the lowest 
cost, except the power supply. And they discovered they can run their data 
centres a little hot, to save on cooling costs, at the expense of a 
slightly higher failure rate. Because if a few thousand servers are down 
at any particular time, none of their users even notices.