Re: Read/Write block sizes

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Jeffrey W(dot) Baker" <jwbaker(at)acm(dot)org>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-performance(at)postgresql(dot)org, Steve Poe <spoe(at)sfnet(dot)cc>, Chris Browne <cbbrowne(at)acm(dot)org>
Subject: Re: Read/Write block sizes
Date: 2005-08-24 05:10:20
Message-ID: 21415.1124860220@sss.pgh.pa.us
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"Jeffrey W. Baker" <jwbaker(at)acm(dot)org> writes:
> To get decent I/O you need 1MB fundamental units all the way down the
> stack.

It would also be a good idea to have an application that isn't likely
to change a single bit in a 1MB range and then expect you to record
that change. This pretty much lets Postgres out of the picture.

regards, tom lane

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