At 07:29 AM 10/26/2010, David Wolfskill wrote:

OK -- but we were using the default scheduler in each case.  The basic
point I'm making here is the apparent performance regression for
similarly-configured systems under 7.1 vs. 8.1.


ULE is the default in 7 as well. Perhaps remove some of the kernel options not in 7, that are in 8 by default? What is the disk subsystem ? just ata ?

They seem innocuous enough, but worth a try

options        HWPMC_HOOKS             # Necessary kernel hooks for hwpmc(4)
options        MAC                     # TrustedBSD MAC Framework
options        FLOWTABLE               # per-cpu routing cache

        ---Mike




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Mike Tancsa,                                      tel +1 519 651 3400
Sentex Communications,                            m...@sentex.net
Providing Internet since 1994                    www.sentex.net
Cambridge, Ontario Canada                         www.sentex.net/mike

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