| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Matthias Urlichs <smurf(at)noris(dot)net> |
| Cc: | Alex Pilosov <alex(at)pilosoft(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | Re: Raw devices (was Re: Berkeley DB license) |
| Date: | 2000-05-20 11:29:39 |
| Message-ID: | 200005201129.HAA15352@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
> Hi,
>
> Alex Pilosov:
> > The only (completely) real solution for this is to use raw devices,
> > uncached by the kernel, without any filesystem overhead...
> >
> ...and with no OS caching _at_all_.
>
> > Are there any plans to support that?
> >
> IMHO it's interesting to note that even Oracle, which used to be one of
> the "you gotta use a raw partition if you want any speed at all" guys,
> has moved into the "use a normal partition or a regular file unless you
> do things like sharing a RAID between two hosts" camp.
Yes, we noticed that. We are glad we didn't waste time going in that
direction.
--
Bruce Momjian | http://www.op.net/~candle
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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