Date: Thu, 28 Oct 2010 05:27:37 +1100 From: Peter Jeremy <peterjeremy@acm.org> To: Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?= <des@des.no> Cc: Jean-Francois Dockes <jf@dockes.org>, freebsd-hackers@freebsd.org Subject: Re: dump cache performance Message-ID: <20101027182737.GB78665@server.vk2pj.dyndns.org> In-Reply-To: <86y69jxzz1.fsf@ds4.des.no> References: <AANLkTikzZvZn=vNNRtcSViWq8ty7b8qOooQ4NbHiJH5q@mail.gmail.com> <4CC44E5B.9040902@infracaninophile.co.uk> <20101024152835.GA62748@muon.cran.org.uk> <19652.22833.731361.647776@y.dockes.com> <20101025093149.GA67314@server.vk2pj.dyndns.org> <86y69jxzz1.fsf@ds4.des.no>
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On 2010-Oct-27 20:17:06 +0200, Dag-Erling Sm=F8rgrav <des@des.no> wrote:
>Peter Jeremy <peterjeremy@acm.org> writes:
>> I've mostly convered to ZFS but still have UFS root (which is basically
>> a full base install without /var but including /usr/src - 94k inodes
>> and 1.7GB). I've run both the 8-stable ("stable") and patched ("jfd") d=
ump=20
>> alternately 4 times with 50/250MB cache with the following results:
>>
>> x stable
>> + jfd
>> +------------------------------------------------------------+
>> | +|
>> | +|
>> | x +|
>> |x xx +|
>> ||AM A|
>> +------------------------------------------------------------+
>> N Min Max Median Avg Std=
dev
>> x 4 9413 9673 9568 9555.5 107.12=
143
>> + 4 15359 15359 15359 15359 =
0
>
>9413 what? Puppies?
Ooops, sorry - KB/sec as reported in the dump summary.
--=20
Peter Jeremy
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