Milen,
XFS, EXT3, JFS
For what reason are you planning to use a journaling FS? I think using WAL,
fsyncing every transaction and using a journaling FS is tautologous. And if you
have problems using EXT2 you can just add the journal later without loosing
data.
My tests using EXT2 showed a
* Christian Koth:
For what reason are you planning to use a journaling FS? I think
using WAL, fsyncing every transaction and using a journaling FS is
tautologous.
The journal is absolutely required to preserve the integrity of the
file system's own on-disk data structures after a crash. Even
On Thu, Aug 03, 2006 at 01:10:39AM -0600, Koth, Christian (DWBI) wrote:
For what reason are you planning to use a journaling FS? I think using WAL,
fsyncing every transaction and using a journaling FS is tautologous. And if you
have problems using EXT2 you can just add the journal later
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Richard Rowell [EMAIL PROTECTED] writes:
We are using a BI tool that generates some rather ugly queries. One of
the ugly queries is taking much longer to return thin I think it
should.
(http://www.bowmansystems.com/~richard/full.analyze)
Can anyone shed any light on what is going on here?
I'm at a client who's an ASP; they've written their app such that each
customer gets their own database. Rigth now they're at nearly 200
databases, and were thinking that they must be the largest PostgreSQL
install in the world. :) After taking them down a notch or two, I
started wondering how
On Thu, Aug 03, 2006 at 01:33:35PM -0500, Jim Nasby wrote:
I'm at a client who's an ASP; they've written their app such that each
customer gets their own database. Rigth now they're at nearly 200
databases, and were thinking that they must be the largest PostgreSQL
install in the world. :)
I've got 226 customer databases in one cluster. Works like a champ with 8.1.3. I have 3 additional PostgreSQL servers with our largest customers on them. They have between 10 and 30 databases. The smallest of my servers has 261GB's worth of db's in the cluster, and the largest is 400GB's.
BTW, our
Hi Luke,
That is ~ 50% increase !! Amazing...
How many reader processes did you have to get this results ?
Regards. Milen
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Luke Lonergan
Sent: Thursday, August 03, 2006 6:05 AM
To: Michael Stone;
Title: Nachricht
Hi
Dennis,
I am
just cusrios to try PGwith different block sizes ;) I don't
knowhow much performancethe bigger block size will bring (I mean 32k
or 64k , for example, for DWH applikations).
I am
surprised tohear that OCFS2.0 (or any her FS usind direct I/O) performs
well
Just curious, is this a production server? Also, how large is the total cluster on disk?On 8/3/06, Ian Westmacott
[EMAIL PROTECTED] wrote:is that all? psql -l | grep 'rows)'(2016 rows)
On Thu, 2006-08-03 at 21:15 +0200, Steinar H. Gunderson wrote: On Thu, Aug 03, 2006 at 01:33:35PM -0500, Jim
On 8/3/06, Luke Lonergan [EMAIL PROTECTED] wrote:
Merlin,
moving a gigabyte around/sec on the server, attached or no,
is pretty heavy lifting on x86 hardware.
Maybe so, but we're doing 2GB/s plus on Sun/Thumper with software RAID
and 36 disks and 1GB/s on a HW RAID with 16 disks, all SATA.
No, this is a test server used for regression testing. Relatively
small (hundreds of GB) and quiet (dozen connections) in the Postgres
universe.
On Thu, 2006-08-03 at 16:31 -0400, Chris Hoover wrote:
Just curious, is this a production server? Also, how large is the
total cluster on disk?
[EMAIL PROTECTED] (Denis Lussier) writes:
I have no personal experience with XFS, but, I've seen numerous
internal edb-postgres test results that show that of all file
systems... OCFS 2.0 seems to be quite good for PG update intensive
apps (especially on 64 bit machines).
I have been curious
Milen,
On 8/3/06 12:44 PM, Milen Kulev [EMAIL PROTECTED] wrote:
Hi Luke,
That is ~ 50% increase !! Amazing...
How many reader processes did you have to get this results ?
Just one - I'll refresh the results sometime and post.
- Luke
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