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Re: 8192 BLCKSZ ?

From: Tom Samplonius <tom(at)sdf(dot)com>
To: mlw <markw(at)mohawksoft(dot)com>
Cc: Hackers List <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: 8192 BLCKSZ ?
Date: 2000-11-28 06:38:35
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Mon, 27 Nov 2000, mlw wrote:

> This is just a curiosity.
> Why is the default postgres block size 8192? These days, with caching
> file systems, high speed DMA disks, hundreds of megabytes of RAM, maybe
> even gigabytes. Surely, 8K is inefficient.

  I think it is a pretty wild assumption to say that 32k is more efficient
than 8k.  Considering how blocks are used, 32k may be in fact quite a bit
slower than 8k blocks.


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