| From: | "Magnus Hagander" <mha(at)sollentuna(dot)net> |
|---|---|
| To: | "Neil Conway" <neilc(at)samurai(dot)com> |
| Cc: | "Vig, Sandor (G/FI-2)" <Sandor(dot)Vig(at)audi(dot)hu>, <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: PostgreSQL is extremely slow on Windows |
| Date: | 2005-02-23 14:50:47 |
| Message-ID: | 6BCB9D8A16AC4241919521715F4D8BCE476978@algol.sollentuna.se |
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| Thread: | |
| Lists: | pgsql-performance |
> > You can *never* get above 80 without using write cache,
> regardless of
> > your OS, if you have a single disk.
>
> Why? Even with, say, a 15K RPM disk? Or the ability to
> fsync() multiple concurrently-committing transactions at once?
Uh. What I meant was a single *IDE* disk. Sorry. Been too deep into
helping ppl with IDE disks lately to remember that SCSI can be a lot
faster :-) And we're talking about restore of a dump, so it's a single
session.
(Strictly, that shuld be a 7200rpm IDE disk. I don't know if any others
are common, though)
//mha
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