Re: O_DIRECT setting

On Mon, Sep 20, 2004 at 07:57:34PM +1200, Guy Thornley wrote:
[snip]
>
> Incidentally, postgres heap files suffer really, really bad fragmentation,
> which affects sequential scan operations (VACUUM, ANALYZE, REINDEX ...)
> quite drastically. We have in-house patches that somewhat alleiviate this,
> but they are not release quality. Has anybody else suffered this?
>

Any chance I could give those patches a try?  I'm interested in seeing
how they may affect our DBT-3 workload, which execute DSS type queries.

Thanks,
Mark