Re: PostgreSQL win32 fragmentation issue

On 12/3/06, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Mark Kirkwood <markir(at)paradise(dot)net(dot)nz> writes:
> > A related point comes to mind, consider the single "tablespace" file for
> > example: It may have no fragmentation from a *file* perspective, but
> > supposing you have several busy relations being inserted or updated then
> > pages (or groups of pages) for these could be "fragmented" throughout
> > the tablespace file.
>
> +1 ... what was said upthread sounds to me like those other databases
> are just hiding the fragmentation issue within their
> huge-files-you-can't-see-into. I would very much like to see some proof
> of performance problems before we worry about this.
>
>
Does this raise the need for an in-postgres de-fragmenter?

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