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Date:      Tue, 8 Jul 2003 21:55:45 +1000 (EST)
From:      Andy Farkas <andyf@speednet.com.au>
To:        Terry Lambert <tlambert2@mindspring.com>
Cc:        freebsd-smp@freebsd.org
Subject:   Re: whats going on with the scheduler?
Message-ID:  <20030708214151.R8850-100000@hewey.af.speednet.com.au>
In-Reply-To: <3F0AA2DE.13035C1@mindspring.com>

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On Tue, 8 Jul 2003, Terry Lambert wrote:

> It's not clear what your link speed is, but it's possible that
> what's happening is that the setiathome processes are stalling
> waiting for work units because you are using up your available
> network bandwidth.

setiathome is a cpu intensive process. It touches the network maybe once
in a 24 hour period when it downloads a ~400k work unit which takes less
than 10 seconds over my 512k/128k dsl link and then proceeds to number
crunch. Stalling on work units is not whats happening.

> If this is what's ahppening, you might want to try bandwidth
> limiting the scp and/or running with Alt-Q and/or begging Julian

I *did* limit scp:

>  scp -c blowfish -p -l 100 remote.host:filename .

--

 :{ andyf@speednet.com.au

        Andy Farkas
    System Administrator
   Speednet Communications
 http://www.speednet.com.au/






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