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From: JG <jarek@adeon.lublin.pl>
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Cc: freebsd-performance@freebsd.org
Subject: Re[2]: slow tar performance on fbsd5
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>> Do you mean http://www.freebsd.org/cgi/query-pr.cgi?pr=84903 or sth
>> else?
> yes, this

I patched my kernel as described but It has no any effect on untarring performance.
Anyway thank you for your hint, I belive this can help in tuning other things.

# time gtar -xf mysql-m.tgz
1.207u 16.371s 7:01.06 4.1%     164+278k 8030+7176io 4pf+0w


JG