On Tue, Dec 16, 2003 at 07:56:35PM -0000, Dom De Vitto wrote: > With GigE NICs you are generally talking quality
that is no longer true. Realtek now makes gigE chips... > , and with quality > NICs you get lots of freebie stuff - checksum generation, decent > buffer sizes, efficient bus use etc. They know that their customers > don't want cheap, they want fast - they don't want the backups to > impact the customer experience for 2 hours, just for a measly extra $50. that has changed. > Recommendations: > - Intel or other 'quality' manu. it boils down to intel, intel or intel at the moment. it is particularily the drivers' faults that all others are worse at the moment, but that's how it is. > CPU speed has little impact, though the little time that the frame > is actually inside OpenBSD will be halved by doubling the clock speed. at gigabit speeds it will have impact. > But this 'problem' (17% PF slowdown) has plenty of possible solutions, > including changing both NICs to Intel, using the device polling patch, > etc. you don't need polling wit reasonable NICs. where reasonable (unfortunately) translates to em(4), em(4) or em(4). yeah, more choice would be nice. -- Henning Brauer, BS Web Services, http://bsws.de [EMAIL PROTECTED] - [EMAIL PROTECTED] Unix is very simple, but it takes a genius to understand the simplicity. (Dennis Ritchie)
