Firefox startup impacted by distributed.net client

[George Mitchell]

On 03/23/11 17:57, Matthias Gamsjager wrote:
> Have you tried 8 stable?

The box I tried SCHED_4BSD on was running 8.2_PRERELEASE, which still
had the problem described.  Has the scheduler changed significantly
between 8.2_PRERELEASE and stable?                  -- George Mitchell

> On 23 Mar 2011 22:12, "George Mitchell"<george+freebsd at m5p.com>  wrote:
>> Original message, from ten months ago:
>>
>> http://lists.freebsd.org/pipermail/freebsd-hackers/2010-May/031915.html
>>
>> Briefly, running the distributed.net client on my FreeBSD 8.0 box
>> made Firefox take forever to start up (90 seconds vs. 2 seconds).
>> The distributed.net client is essentially 100% CPU bound, with
>> occasional file I/O and even more occasional socket I/O, running
>> at nice 20. The problem has persisted since then.
>>
>> So I finally compiled up a kernel using SCHED_4BSD instead of
>> SCHED_ULE. Problem fixed.
>>
>> It still doesn't give me a warm, fuzzy feeling about FreeBSD 8.0,
>> since I still have the awful NFS client performance problem (though
>> not as bad as before the Rick Macklem patch). -- George Mitchell
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