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Re: most bang for buck with ~ $20,000
- From: "Thomas F. O'Connell" <tfo(at)sitening(dot)com>
- To: Kenji Morishige <kenjim(at)juniper(dot)net>
- Cc: pgsql-performance(at)postgresql(dot)org
- Subject: Re: most bang for buck with ~ $20,000
- Date: Tue, 8 Aug 2006 16:59:09 -0500
- Message-id: <9EE66C7F-0B04-4472-9EBD-CD567AC9EA1D(at)sitening(dot)com>
On Aug 8, 2006, at 4:49 PM, Joshua D. Drake wrote:
I am considering a setup such as this: - At least dual cpu (possibly with 2 cores each) - 4GB of RAM - 2 disk RAID 1 array for root disk - 4 disk RAID 1+0 array for PGDATA - 2 disk RAID 1 array for pg_xlog Does anyone know a vendor that might be able provide such setup?
Wouldn't it be preferable to put WAL on a multi-disk RAID 10 if you had the opportunity? This gives you the redundancy of RAID 1 but approaches the performance of RAID 0, especially as you add disks to the array. In benchmarking, I've seen consistent success with this approach.
-- Thomas F. O'Connell Sitening, LLC http://www.sitening.com/ 3004B Poston Avenue Nashville, TN 37203-1314 615-469-5150 x802 615-469-5151 (fax)
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