On Tue, Dec 07, 2004 at 09:12:18AM +0000, Simon Riggs wrote:
> Not sure, as yet, what is causing effect 2. It's not related to the
> kernel, but is related to user CPU and I/O waits and effects all tables
> in proportion to their overall I/O usage. Some evidence that it becomes
> more pronounced as CPU utilisation peaks, possibly increasing slightly
> in frequency once this occurs: maybe the cache filling?
I never vacuum during the test. Is it possible that all the updates
and inserts would affect this?
Mark
