I'm reading these from the Michigan Open Source Group list... The links
at the bottom have proved a good read.
Goose
-------- Original Message -------- Subject: RE: [Technical] File sharing saturates uplink bandwidth Date: Fri, 27 Oct 2006 09:10:58 -0400 From: adam@xxxxxxxxxxxxxxxx Reply-To: technical@xxxxxxxx To: technical@xxxxxxxx References: <NEBBKGGHGLLDNCHHAMHPMEKGJKAA.rvk@xxxxxxxxx>
Wow, that was an excellent read on the Postgres optimization!!!
I'm glad you shared that before I had the RAID array configured. It sounds like my database performance would be much better if I setup the three disks in the RAID array as a RAID 1 with a hot spare, rather than a RAID 5, and put my transact journal on the SCSI boot disk, along with all the other optimizations you detailed.
Yep; I'd avoid RAID 5 for lots of other reasons as well.
See BAARF - "Battle Against Any Raid F*" http://www.miracleas.com/BAARF/RAID5_versus_RAID10.txt http://www.miracleas.com/BAARF/1.Millsap2000.01.03-RAID5.pdf http://www.miracleas.com/BAARF/Juan_Loaiza_on_raid_V.html http://www.miracleas.com/BAARF/Patterson88.pdf
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