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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>
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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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