On Tue, May 02, 2006 at 08:09:52PM -0600, Brendan Duddridge wrote:
-------Sequential Output-------- ---Sequential Input-- --Random--
-Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec % CPU /sec %CPU
0 40365 99.4 211625 61.4 212425 57.0 50740 99.9 730515 100.0
45897.9 190.1
[snip]
Do these numbers seem decent enough for a Postgres database?
These numbers seem completely bogus, probably because bonnie is using a
file size smaller than memory and is reporting caching effects. (730MB/s
isn't possible for a single external RAID unit with a pair of 2Gb/s
interfaces.) bonnie in general isn't particularly useful on modern
large-ram systems, in my experience.
Mike Stone
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