Date: Sat, 25 Sep 1999 16:58:28 -0700 From: john <jbarbee@singular.com> To: Alfred Perlstein <bright@wintelcom.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: performance increase with MSF? Message-ID: <4.2.0.58.19990925164835.00c607c0@server0.singular.com> In-Reply-To: <Pine.BSF.4.05.9909251515430.6368-100000@fw.wintelcom.net> References: <4.2.0.58.19990925130141.00d75370@server0.singular.com>
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>Yes, basically when you create the file it's in the buffercache
>
>You need to purge the cache by reading a lot of data from
>unrelated files.
>
>-Alfred
the cache indeed. here is the difference.
server# /usr/bin/time grep blah testfile
...grep output...
1.53 real 0.06 user 0.09 sys
server# /usr/bin/time grep blah /usr/local/www/global/tmp/testfile
...grep output...
0.30 real 0.09 user 0.10 sys
> > server# /usr/bin/time grep blah testfile
> > ...grep output...
> > 0.11 real 0.06 user 0.05 sys
> > server# /usr/bin/time grep blah /usr/local/www/global/tmp/testfile
> > ...grep output...
> > 0.11 real 0.06 user 0.05 sys
thanx.
john.
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