Re: Anyone for SSDs? - Mailing list pgsql-hackers

From Joshua D. Drake
Subject Re: Anyone for SSDs?
Date
Msg-id 1292022803.3319.59.camel@jd-desktop
Whole thread Raw
In response to Re: Anyone for SSDs?  (Josh Berkus <josh@agliodbs.com>)
Responses Re: Anyone for SSDs?  (Jeff Janes <jeff.janes@gmail.com>)
List pgsql-hackers
On Fri, 2010-12-10 at 15:08 -0800, Josh Berkus wrote:
> > I believe that PostgreSQL was been developed and optimized for
> > sequential access. To get full advantage of SSDs its necessary to
> > rewrite almost the whole project - there are so much code written with
> > the sequential mechanism in mind.
> 
> You can believe whatever you want, that doesn't make it true.

Or more productively.

Actually, the only (that I know of) optimized for sequential access code
we have would be for the xlogs. All of the page writing within the
cluster would be random, as would all logging outside of the WAL itself.

Sincerely,

Joshua D. Drake

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