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Date:      Wed, 14 Apr 2004 14:55:52 -0500
From:      Dan Nelson <dnelson@allantgroup.com>
To:        Holger Kipp <Holger.Kipp@alogis.com>
Cc:        current@freebsd.org
Subject:   Re: Question: Planned Performance improvements? GIANT free ciss, bge,...?
Message-ID:  <20040414195552.GE28745@dan.emsphone.com>
In-Reply-To: <200404140913.i3E9Dpb74482@alogis.com>
References:  <200404140913.i3E9Dpb74482@alogis.com>

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In the last episode (Apr 14), Holger Kipp said:
> - Other improvements regarding HTT and scheduling?
> 
>   currently, we have 11.3 web pages per second with SCHED_4BSD
>                      11.5 web pages per second with SCHED_ULE
>   with 0% idle under SCHED_4BSD, 5-7% idle under SCHED_ULE.
>   (this is without witness or invariants, of course)
>   (under 4.9-STABLE numbers are slightly below 11)

What's the %User and %System?  No amount of kernel improvements are
going to help you if your webserver does (1/11.5) sec of user CPU work
per page.

-- 
	Dan Nelson
	dnelson@allantgroup.com



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