Things might've changed somewhat over the past year, but this is from
_the_ Linux guy at Dell...
-tfo
--
Thomas F. O'Connell
Co-Founder, Information Architect
Sitening, LLC
Strategic Open Source — Open Your i™
http://www.sitening.com/
110 30th Avenue North, Suite 6
Nashville, TN 37203-6320
615-26
On Wed, Apr 06, 2005 at 03:26:33PM +0200, PFC wrote:
> Well, unless you have PCI 64 bits, the "standard" PCI does 133 MB/s
> which is then split exactly in two times 66.5 MB/s for 1) reading from
> the
> PCI network card and 2) writing to the PCI harddisk controller. No wonder
> y
and we get about 65MB/sec sustained when writing to an ext3 filesystem
(actually, when wgetting a file off the gigabit LAN :-) ). I haven't
Well, unless you have PCI 64 bits, the "standard" PCI does 133 MB/s which
is then split exactly in two times 66.5 MB/s for 1) reading from the PCI
networ
On Tue, Apr 05, 2005 at 09:44:56PM -0700, Kevin Brown wrote:
> Now, the performance is pretty bad considering the setup -- a RAID 5
> with five 73.6 gig SCSI disks (10K RPM, I believe). Reads through the
> filesystem come through at about 65 megabytes/sec, writes about 35
> megabytes/sec (at least
Thomas F.O'Connell wrote:
> I'd use two of your drives to create a mirrored partition where pg_xlog
> resides separate from the actual data.
>
> RAID 10 is probably appropriate for the remaining drives.
>
> Fortunately, you're not using Dell, so you don't have to worry about
> the Perc3/Di RAID
Vivek Khera wrote:
On Mar 31, 2005, at 9:01 PM, Steve Poe wrote:
Now, we need to purchase a good U320 RAID card now. Any suggestions
for those which run well under Linux?
Not sure if it works with linux, but under FreeBSD 5, the LSI MegaRAID
cards are well supported. You should be able to pick
On Mar 31, 2005, at 9:01 PM, Steve Poe wrote:
Now, we need to purchase a good U320 RAID card now. Any suggestions
for those which run well under Linux?
Not sure if it works with linux, but under FreeBSD 5, the LSI MegaRAID
cards are well supported. You should be able to pick up a 320-2X with
1
I'd use two of your drives to create a mirrored partition where pg_xlog
resides separate from the actual data.
RAID 10 is probably appropriate for the remaining drives.
Fortunately, you're not using Dell, so you don't have to worry about
the Perc3/Di RAID controller, which is not so compatible w
Thanks for everyone's feedback on to best improve our Postgresql
database for the animal hospital. I re-read the PostgreSQL 8.0
Performance Checklist just to keep focused.
We purchased (2) 4 x 146GB 10,000rpm SCSI U320 SCA drive arrays ($2600)
and (1) Sun W2100z dual AMD64 workstation with 4GB