Re: Raw devices (was Re: Berkeley DB license)

From: "Matthias Urlichs" <smurf(at)noris(dot)net>
To: Alex Pilosov <alex(at)pilosoft(dot)com>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: Raw devices (was Re: Berkeley DB license)
Date: 2000-05-20 07:57:38
Message-ID: 20000520095738.F27730@noris.de
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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.

Or so I've been told a year or so ago.

--
Matthias Urlichs | noris network GmbH | smurf(at)noris(dot)de | ICQ: 20193661
The quote was selected randomly. Really. | http://smurf.noris.de/
--
Lawsuit (noun) --
A machine which you go into as a pig and come out as a sausage.
--Ambrose Bierce

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