Date: Thu, 09 Sep 2004 21:28:44 -0400 From: jason <jason@ec.rr.com> To: Daniel Eriksson <daniel_k_eriksson@telia.com> Cc: current@freebsd.org Subject: Re: FreeBSD 5.3 Bridge performance take II Message-ID: <4141034C.1080700@ec.rr.com> In-Reply-To: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAgcC6P5K6r0GGsZ6hnDUsHgEAAAAA@telia.com> References: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAgcC6P5K6r0GGsZ6hnDUsHgEAAAAA@telia.com>
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Daniel Eriksson wrote: >Robert Watson wrote: > > > >>If you're not already disabling harvesting of entropy on interrupts and >>in network processing, you really want to for performance purposes. >> >> > >How do I disable this without causing entropy starvation for "typical" use >cases (ssl? ssh?)? I googled a bit and found nothing at all about how to >disable excessive harvesting. > ># sysctl -a | grep harvest >kern.random.sys.harvest.ethernet: 1 >kern.random.sys.harvest.point_to_point: 1 >kern.random.sys.harvest.interrupt: 1 >kern.random.sys.harvest.swi: 0 > >These are the knobs I know about. Is it enough to turn >kern.random.sys.harvest.ethernet and kern.random.sys.harvest.interrupt to 0, >or are there other things I need to do too? > >/Daniel Eriksson > > That is what I did. I have not bench marked, but I did allot of searching on the web and reading man pages. I just can't make the changes permanent. When I put them in loader.conf they seem to be ignored. Any suggestions to make it stick? Jason
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