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Date:      Mon, 18 Feb 2002 09:55:46 +0100
From:      "Anthony Atkielski" <anthony@freebie.atkielski.com>
To:        "Alfred Perlstein" <bright@mu.org>
Cc:        "FreeBSD Questions" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: in-kernel HTTP Server for FreeBSD?
Message-ID:  <002d01c1b85a$12a6e720$0a00000a@atkielski.com>
References:  <20020217143343.41758.qmail@web21104.mail.yahoo.com> <20020217173609.A25030@energyhq.homeip.net> <3C703154.91ED7FB4@mindspring.com> <20020217224724.GL12136@elvis.mu.org> <018c01c1b816$6482f5a0$0a00000a@atkielski.com> <20020218022759.GM12136@elvis.mu.org>

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Alfred writes:

> More hardware means more sysadmin time, means
> higher chances of failure, means your software
> must be more robust in dealing with failures.

No.  A system with 1 GB requires no more maintenance and is no less stable
than a system with 256 MB.  A system with a 1300 MHz processor is no less
stable and requires no more maintenance than a system with a 200 MHz
processor.

> An example is a large server farm that I know
> of that even with true ECC ram gets several
> non-recoverable memory errors per-day.

Reduce the number of servers, and make them larger.  That may help.

> Expenses go up the larger your cluster is ...

Who said anything about expanding a cluster?

> No amount of hardware thrown at a problem can
> equal a well thought out design.

Any system that must be dedicated in order to use 100% of the machine for
application load is underpowered.  Production systems must have safety
margins in capacity if there is any variance in load at all.




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