Linux 2.6 - man page for htcacheclean (linux section 8)
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HTCACHECLEAN(8) htcacheclean HTCACHECLEAN(8)
htcacheclean - Clean up the disk cache
htcacheclean [ -D ] [ -v ] [ -t ] [ -r ] [ -n ] -ppath -llimit
htcacheclean [ -n ] [ -t ] [ -i ] -dinterval -ppath -llimit
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.
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 SIGINT.
-D Do a dry run and don't delete anything. This option is mutually exclusive with the
-v Be verbose and print statistics. This option is mutually exclusive with the -d
-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 configurations the large number of directories created may require attention.
If your configuration 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 specified with the CacheRoot directive.
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.
htcacheclean returns a zero status ("true") if all operations were successful, 1 other-
Apache HTTP Server 2008-05-06 HTCACHECLEAN(8)
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