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From: Florian Weimer <fweimer@bfk.de>
To: Matthew <matthew@flymine.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: Making the most of memory?
Date: Thu, 24 Jan 2008 15:26:46 +0100
Message-ID: <82tzl39u55.fsf@mid.bfk.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0801241405020.4642@aragorn.flymine.org>
References: <4796BE84.9030803@centriccrm.com>
	<dcc563d10801222120q78e390dbj2b884eca729c2975@mail.gmail.com>
	<B30794E6-CD2A-43C1-B431-E24B56FBFB1D@concursive.com>
	<dcc563d10801231044p1dba892r9b8bf1269395f068@mail.gmail.com>
	<47979C15.3040406@burntmail.com>
	<4797A8B3.5040605@janestcapital.com>
	<Pine.LNX.4.64.0801241405020.4642@aragorn.flymine.org>

> So, that web site seems to list products starting at about 32GB in a
> separate rack-mounted box with redundant everything. I'd be more
> interested in just putting the WAL on an SSD device, so 500MB or 1GB
> would be quite sufficient. Can anyone point me towards such a device?

A dedicated RAID controller with battery-backed cache of ssuficient
size and two mirrored disks should not perform that bad, and has the
advantage of easy availability.

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99



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