Re: [SLUG] Bogofilter and spam/ham files

From: Derek Glidden (dglidden@illusionary.com)
Date: Tue Apr 01 2003 - 18:32:20 EST


On Tue, 2003-04-01 at 18:07, Paul M Foster wrote:
> On Tue, Apr 01, 2003 at 11:07:39AM -0500, Derek Glidden wrote:

> > It's a good thing. The more words in each list, the more accurate it
> > is.
>
> This I know. The problem is that at some point (now), it starts to slow
> down receipt of mail because there is such a large file(s) to read. What
> happens when your files get to be 50M?

Err, you get a beefier server? You upgrade to a newer bogofilter that
doesn't have the problem? You write to the bogofilter list and
complain?

I haven't really had the problem. My mail server is an Athlon 700,
though.

The files are Berkeley DB files in the version I'm running anyway, so
I'm surprised that you would see any sort of slowdown during mail
delivery due to bogofilter. Granted, it'll have to do some
calculations, but that really shouldn't affect it much unless you have
really huge, wordy emails that it has to generate lots of statistics
for. Looking things up in the db files should be quite speedy.

If you're using procmail, maybe you'd want to do 'strace bogofilter'
once just to see what it's doing. Maybe you've got a bad block on your
filesystem right under one of its db files or something... ??

What version of bogofilter are you using?

-- 
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#!/usr/bin/perl -w
$_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255;@t=map
{$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;
$t^=(72,@z=(64,72,$a^=12*($_%16-2?0:$m&17)),$b^=$_%64?12:0,@z)
[$_%8]}(16..271);if((@a=unx"C*",$_)[20]&48){$h=5;$_=unxb24,join
"",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$d=
unxV,xb25,$_;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=$t&($d
>>12^$d>>4^$d^$d/8))<<17,$e=$e>>8^($t&($g=($q=$e>>14&7^$e)^$q*
8^$q<<6))<<9,$_=$t[$_]^(($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}
print+x"C*",@a}';s/x/pack+/g;eval 

usage: qrpff 153 2 8 105 225 < /mnt/dvd/VOB_FILENAME \ | extract_mpeg2 | mpeg2dec -

http://www.cs.cmu.edu/~dst/DeCSS/Gallery/ http://www.eff.org/ http://www.anti-dmca.org/



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