While trying to port amavis, the virusscanner for mail,
http://aachalon.de/AMaViS/amavis-0.2.0-pre4.tar.gz ) I noticed it used the
file(1) several times for each file, and it took rather long time, causing
bb to report red for high CPU-load each time I collected a batch of mail.
So I compared it with a Linux box:
My 60MHz Pentium, FreeBSD
time file /usr/home/leif/vnc-3.3.2r
/usr/home/leif/vnc-3.3.2r3_unixsrc.tgz: gzip compressed data, deflated,
original filename, last modified: Thu Jan 21 19:23:21 1999
real 0m1.237s
user 0m0.758s
sys 0m0.394s
133MHz Pentium II, Linux
time file vnc-3.3.2r3_unixsrc.tgz
vnc-3.3.2r3_unixsrc.tgz: gzip compressed data, deflated, original filename,
last modified: Thu Jan 21 19:23:21 1999, os: Unix
real 0m0.036s
user 0m0.010s
sys 0m0.030s
While I realise 60MHz is less than 133MHz, a factor 34 in difference of real
time seems suspect.
The magic file is different, but almost the same size.
Why is FreeBSD's file so much slower?
Leif
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