Grega,
> Well, as I said, that's why I was asking - I'm willing to give it a go
> if nobody can prove me wrong. :)
Why not? If you have time?
> I thought you knew - OCFS, OCFS-Tools and OCFSv2 have not only been open-
> source for quite a while now - they're released under the GPL.
Keen! Wo
...and on Wed, Apr 07, 2004 at 09:09:16AM -0700, Josh Berkus used the keyboard:
>
> Does it work, though? Without Oracle admin tools?
Hello, Josh. :)
Well, as I said, that's why I was asking - I'm willing to give it a go
if nobody can prove me wrong. :)
> > Now, if both goals can be achieved
On Wednesday, April 07, 2004 1:26 AM Tom Lane wrote:
>
> But to get back to the point of this discussion: to allow PG
> to use raw devices instead of filesystems, we'd first have to do a ton of
> portability work
...
[The following is said in a low, tentative voice :) ]
I wonder if writing th
On Wed, Apr 07, 2004 at 09:09:16AM -0700, Josh Berkus wrote:
> If your intention in this test is to show the superiority of raw devices, let
> me give you a reality check: barring some major corporate backing getting
> involved, we can't possibly implement our own PG-FS for database support. We
Grega,
> Furthermore, this filesystem would be a blazing one stop solution for
> all replication issues PostgreSQL currently suffers from, as its main
> design goal was to present "a consistent file system image across the
> servers in a cluster".
Does it work, though? Without Oracle admin tool
...and on Wed, Apr 07, 2004 at 01:26:02AM -0400, Tom Lane used the keyboard:
>
> After that, we get to implement our own filesystem-equivalent management
> of disk space allocation, disk I/O scheduling, etc. Are we really
> smarter than all those kernel hackers doing this for a living? I doubt i
Chris Browne <[EMAIL PROTECTED]> writes:
> That claim seems really rather remarkable.
> It implies an entirely stunning degree of inefficiency in the
> implementation of filesystems on Solaris.
Solaris has a reputation for having stunning degrees of inefficiency
in a number of places :-(. On the
> [EMAIL PROTECTED] ("Gregory S. Williamson") writes:
>>No point to beating a dead horse (other than the sheer joy of the
>>thing) since postgres does not have raw device support, but ... raw
>>devices, at least on solaris, are about 10 times as fast as cooked
>>file systems for Informix. This mig
gt; From: Chris Browne [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, April 06, 2004 1:57 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [ADMIN] Raw devices vs. Filesystems
>
>
> [EMAIL PROTECTED] ("Gregory S. Williamson") writes:
> > No point to beating a dead horse (ot
Remarkable, perhaps, to you. Not in the Informix world. But irrelevant to postgres, no
?
-Original Message-
From: Chris Browne [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 06, 2004 1:57 PM
To: [EMAIL PROTECTED]
Subject: Re: [ADMIN] Raw devices vs. Filesystems
[EMAIL PROTECTED
[EMAIL PROTECTED] ("Gregory S. Williamson") writes:
> No point to beating a dead horse (other than the sheer joy of the
> thing) since postgres does not have raw device support, but ... raw
> devices, at least on solaris, are about 10 times as fast as cooked
> file systems for Informix. This might
riginal Message-
From: Christopher Browne [mailto:[EMAIL PROTECTED]
Sent: Mon 3/29/2004 10:28 AM
To: [EMAIL PROTECTED]
Cc:
Subject: Re: [ADMIN] Raw devices vs. Filesystems
After takin a swig o' Arrakan spice grog, [EMAIL PROTECTED] ("Jaime Casanova") belched
out:
After takin a swig o' Arrakan spice grog, [EMAIL PROTECTED] ("Jaime Casanova") belched
out:
> Can you tell me (or at least guide me to a palce where i can find the
> answer) what are the benefits of filesystems over raw devices?
For PostgreSQL, filesystems have the merit that you can actually use
Hello Jaime,
I think you're on the right track but have gotten some
concepts possibly confused.
As I remember, the original email asked if Postgres
could be run in a "raw" mode. Another submitter
told us that it can not. ( Did I read that
Can you tell me (or at least guide me to a palce where i can find the
answer) what are the benefits of filesystems over raw devices?
And what filesystem is the best for postgresql performance?
_
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