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HTCACHECLEAN(8)                                 htcacheclean                                 HTCACHECLEAN(8)



NAME
       htcacheclean - Clean up the disk cache


SYNOPSIS
       htcacheclean [ -D ] [ -v ] [ -t ] [ -r ] [ -n ] -ppath -llimit


       htcacheclean [ -n ] [ -t ] [ -i ] -dinterval -ppath -llimit



SUMMARY
       htcacheclean  is  used to keep the size of mod_disk_cache's storage within a certain limit. This tool
       can run either manually or in daemon mode. When running in daemon mode, it sleeps in  the  background
       and  checks the cache directories at regular intervals for cached content to be removed. You can stop
       the daemon cleanly by sending it a TERM or INT signal.



OPTIONS
       -dinterval
              Daemonize and repeat cache cleaning every interval minutes. This option is mutually  exclusive
              with the -D, -v and -r options. To shutdown the daemon cleanly, just send it a SIGTERM or SIG-INT. SIGINT.
              INT.

       -D     Do a dry run and don't delete anything. This option is mutually exclusive with the -d  option.

       -v     Be verbose and print statistics. This option is mutually exclusive with the -d option.

       -r     Clean  thoroughly.  This  assumes that the Apache web server is not running (otherwise you may
              get garbage in the cache). This option is mutually exclusive with the -d  option  and  implies
              the -t option.

       -n     Be  nice.  This causes slower processing in favour of other processes. htcacheclean will sleep
              from time to time so that (a) the disk IO will be delayed and  (b)  the  kernel  can  schedule
              other processes in the meantime.

       -t     Delete  all empty directories. By default only cache files are removed, however with some con-figurations configurations
              figurations the large number of directories created may require attention. If your  configura-tion configuration
              tion  requires  a very large number of directories, to the point that inode or file allocation
              table exhaustion may become an issue, use of this option is advised.

       -ppath Specify path as the root directory of the disk cache. This should be the same value as  speci-fied specified
              fied with the CacheRoot directive.

       -llimit
              Specify  limit  as the total disk cache size limit. The value is expressed in bytes by default
              (or attaching B to the number). Attach K for Kbytes or M for MBytes.

       -i     Be intelligent and run only when there was a modification of the disk cache.  This  option  is
              only possible together with the -d option.


EXIT STATUS
       htcacheclean returns a zero status ("true") if all operations were successful, 1 otherwise.




Apache HTTP Server                               2008-05-06                                  HTCACHECLEAN(8)