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
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 -d option.
-v Be verbose and print statistics. This option is mutually exclu-
sive 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
-n Be nice. This causes slower processing in favour of other pro-
cesses. 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 direc-
Apache HTTP Server 2008-05-06 HTCACHECLEAN(8)
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