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From: Scott Marlowe <scott.marlowe@gmail.com>
To: Guy Rouillier <guyr-ml1@burntmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Making the most of memory?
Date: Wed, 23 Jan 2008 19:45:07 -0600
Message-ID: <dcc563d10801231745j449fd840kd2d822d358e59d96@mail.gmail.com> (raw)
In-Reply-To: <47979C15.3040406@burntmail.com>
References: <4796BE84.9030803@centriccrm.com>
	<dcc563d10801222120q78e390dbj2b884eca729c2975@mail.gmail.com>
	<B30794E6-CD2A-43C1-B431-E24B56FBFB1D@concursive.com>
	<dcc563d10801231044p1dba892r9b8bf1269395f068@mail.gmail.com>
	<47979C15.3040406@burntmail.com>

On Jan 23, 2008 1:57 PM, Guy Rouillier <guyr-ml1@burntmail.com> wrote:
> Scott Marlowe wrote:
> > I assume you're talking about solid state drives?  They have their
> > uses, but for most use cases, having plenty of RAM in your server will
> > be a better way to spend your money.  For certain high throughput,
> > relatively small databases (i.e. transactional work) the SSD can be
> > quite useful.
>
> Unless somebody has changes some physics recently, I'm not understanding
> the recent discussions of SSD in the general press.  Flash has a limited
> number of writes before it becomes unreliable.  On good quality consumer

Actually, I was referring to all SSD systems, some of which are based
on flash memory, some on DRAM, sometimes backed by hard drives.

There's always a use case for a given piece of tech.



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