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dspam_clean(1)                       DSPAM                      dspam_clean(1)


NAME

       dspam_clean - perform periodic maintenance of metadata


SYNOPSIS

       dspam_clean [--profile=PROFILE] [-s[signature_life]]
       [-p[probability_life]] [-u[sl,hcl,shl,ihl]] [user1 user2 ... userN]


DESCRIPTION

       dspam_clean is used to perform periodic housecleaning on DSPAM's
       metadata dictionary by deleting old or useless data.

       dspam_clean has no effect if you use the "hash" storage driver. In that
       case, you should use the tools cssclean and csscompress (which do not
       currently have manual pages).


OPTIONS

        --profile=PROFILESpecify a storage profile from dspam.conf. The
       storage profile selected will be used
              for all database connectivity. See dspam.conf for more
              information.

       -sPerforms stale signature purging. If a value is specified, the
       default value of
              14 days will be overridden. Specifying an age of 0 will delete
              all signatures from the user(s) processed.

       -pDeletes all tokens from the target user(s) database whose probability
       is     between 0.35 and 0.65 (fairly neutral, useless data). If a value
              is specified, the default life of 30 days will be overridden.
              It's a good idea to use this flag once with a life of 0 days for
              users after a significant amount of corpus training.

       -uDeletes all unused tokens from a user's dataset. Four different life
       values are used:

              sl Stale tokens which have not been used for a long period of
              time

              hcl Tokens with a total hit count below 5 (which will be
              assigned a hapaxial value by DSPAM)

              shl Tokens witha single spam hit

              ihl Tokens with a single innocent hit

              Ages may be overridden by specifying a format string, such as
              -u30,15,10,10 where each number represents the respective life.
              Specifying a life of zero will delete all unused tokens in the
              category.

        user1 user2 ... userNSpecify the username(s) to perform the selected
       maintenance operations on. If
              no username is specified, all users are processed.


EXIT VALUE

       0      Operation was successful.
       other  Operation resulted in an error.


COPYRIGHT

       Copyright (C) 2002-2012 DSPAM Project
       All rights reserved.

       For more information, see http://dspam.sourceforge.net.


SEE ALSO

       dspam(1), dspam_admin(1), dspam_crc(1), dspam_dump(1),
       dspam_logrotate(1), dspam_merge(1), dspam_stats(1), dspam_train(1)

DSPAM                           April 17, 2010                  dspam_clean(1)

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