1dspam_clean(1)                       DSPAM                      dspam_clean(1)
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NAME

6       dspam_clean - perform periodic maintenance of metadata
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SYNOPSIS

10       dspam_clean [--profile=PROFILE] [-s[signature_life]] [-p[probabil‐
11       ity_life]] [-u[sl,hcl,shl,ihl]] [user1 user2 ... userN]
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DESCRIPTION

15       dspam_clean is used to perform periodic housecleaning on DSPAM's  meta‐
16       data dictionary by deleting old or useless data.
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OPTIONS

20        --profile=PROFILE
21              Specify  a  storage profile from dspam.conf. The storage profile
22              selected  will  be  used  for  all  database  connectivity.  See
23              dspam.conf for more information.
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26       -s     Performs  stale  signature purging. If a value is specified, the
27              default value of 14 days will be overridden. Specifying  an  age
28              of 0 will delete all signatures from the user(s) processed.
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31       -p     Deletes all tokens from the target user(s) database whose proba‐
32              bility is between 0.35 and 0.65 (fairly neutral, useless  data).
33              If  a  value  is  specified, the default life of 30 days will be
34              overridden. It's a good idea to use this flag once with  a  life
35              of  0 days for users after a significant amount of corpus train‐
36              ing.
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39       -u     Deletes all unused tokens from a user's dataset. Four  different
40              life values are used:
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42              sl  Stale  tokens  which have not been used for a long period of
43              time
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45              hcl Tokens with a  total  hit  count  below  5  (which  will  be
46              assigned a hapaxial value by DSPAM)
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48              shl Tokens witha single spam hit
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50              ihl Tokens with a single innocent hit
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52              Ages  may  be  overridden by specifying a format string, such as
53              -u30,15,10,10 where each number represents the respective  life.
54              Specifying  a  life of zero will delete all unused tokens in the
55              category.
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58        user1 user2 ... userN
59              Specify the username(s)  to  perform  the  selected  maintenance
60              operations  on.  If no username is specified, all users are pro‐
61              cessed.
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EXIT VALUE

65       0      Operation was successful.
66       other  Operation resulted in an error.
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70       Copyright © 2002-2011 DSPAM Project
71       All rights reserved.
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73       For more information, see http://dspam.sourceforge.net.
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SEE ALSO

77       dspam(1),  dspam_admin(1),  dspam_crc(1),  dspam_dump(1),  dspam_logro‐
78       tate(1), dspam_merge(1), dspam_stats(1), dspam_train(1)
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82DSPAM                            Apr 17, 2010                   dspam_clean(1)
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