Re: Summaries on SSD usage?

From: Jesper Krogh <jesper(at)krogh(dot)cc>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Summaries on SSD usage?
Date: 2011-09-02 04:14:50
Message-ID: 4E60583A.4040302@krogh.cc
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On 2011-09-01 23:28, Jim Nasby wrote:
> On Aug 30, 2011, at 12:23 PM, Stefan Keller wrote:
>> I'm looking for summaries (or best practices) on SSD usage with PostgreSQL.
>> My use case is mainly a "read-only" database.
>> Are there any around?
> I'm not sure, but for read-only why not just put more memory in the server? It'll be a lot cheaper than SSDs
It is "really expensive" to go over 512GB memory and the performance
regression for
just hitting disk in a system where you assume everything is in memory is
really huge. SSD makes the "edge" be a bit smoother than rotating drives
do.

Jesper

--
Jesper

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