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Re: Red Hat to support PostgreSQL

From: jdassen(at)cistron(dot)nl (J(dot)H(dot)M(dot) Dassen (Ray))
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Red Hat to support PostgreSQL
Date: 2001-06-28 09:02:37
Message-ID: slrn9jlsld.4h9.jdassen@odin.cistron-office.nl (view raw or flat)
Thread:
Lists: pgsql-general
Lamar Owen <lamar(dot)owen(at)wgcr(dot)org> wrote:
> Tell me this -- if Red Hat is using the same kernel as Debian,

Technically speaking, this is a false premise. Just about every
distributions ships with kernels that are modified to some degree (e.g.
extra drivers, backported drivers). I know Red Hat does; I know Debian does
as well.

> how can Debian do a better job on performance, all daemons being equal?

Theoretically speaking, for instance by careful optimisation (e.g.
processor-variant-specific builds of libraries and daemons).

> Same compiler

Not always, remember http://gcc.gnu.org/gcc-2.96.html? (An unfortunate
incident I admit; I certainly appreciate Cygnus / Red Hat's significant
contributions to the development of gcc, glibc and binutils)

> -- same kernel -- same processor -- different packagers. Why would Debian
> be better in that circumstance?

I don't expect significant performance differences between Red Hat and
Debian either way.

The differences that exist are primarily the result of different development
models, Red Hat's one being one with a fairly small central core maintained
by employees of a company and augmented by a large collection of contributed
packages of varying quality, and Debian's one of a large set of packages
maintained by a large group of volunteers and held together through an
explicit policy (http://www.debian.org/doc/debian-policy/) with virtually no
externally contributed packages.

Ray
-- 
AJ: Geeez, Erwin. He wasn't even ARMED.
Erwin: I don't care. I have lots of ammo and he was wearing a TIE.
	http://ars.userfriendly.org/cartoons/?id=20010209


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