Linked by Eugenia Loli on Wed 6th Dec 2006 00:40 UTC
Databases PostgreSQL 8.2 is now released (sources, binaries) while you can read the release notes here.
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RE[4]: PostgreSQL 8.2 Benchmarks
by kjn9 on Thu 7th Dec 2006 00:44 UTC in reply to "RE[3]: PostgreSQL 8.2 Benchmarks"
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The TPC-C benchmark spec, and the full report on one of the benchmarks, make interesting reading.

Taking the Dell PowerEdge at position 2 in the list, the most expensive component, at 53% of the total cost, is the SCSI disk subsystem, with 56 SCSI drives, each 36 Gb, in a RAID 0 configuration. The benchmark spec requires 60 days' data to be stored, so storage is always going to be a major part of the expense. The MS software licenses and support are only 18% of the total cost of the system. The requirement for 3 years 24 x 7 support appears to have been interpreted liberally for the MS software, as "one incident" at $245.

The benchmark is designed for a DB running orders, payments and warehousing for a business - quite a large business, if it is processing tens of thousands of transactions per minute.

Many of us will be interested in a different workload, where ACID and RAID are essential, but a pair of disks will suffice, and writes are much less frequent than reads - as the backend of CMS or web hosting facility, for example.

For such a workload, we really need a different benchmark. The price advantage of PostgreSQL will make a much bigger difference to the final performance/price ratio.

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