RRDCacheD 1.11.0
Copyright (C) 2008,2009 Florian octo Forster and Kevin Brintnall

Usage: rrdcached [options]

Valid options are:
  -a <size>     Memory allocation chunk size. Default is 1.
  -B            Restrict file access to paths within -b <dir>
  -b <dir>      Base directory to change to.
  -F            Always flush all updates at shutdown
  -f <seconds>  Interval in which to flush dead data.
  -G <group>    Unprivileged group used when running.
  -g            Do not fork and run in the foreground.
  -j <dir>      Directory in which to create the journal files.
  -L            Open sockets on all INET interfaces using default port.
  -l <address>  Socket address to listen to.
                Default: unix:/tmp/rrdcached.sock
  -m <mode>     File permissions (octal) of all following UNIX sockets
  -O            Do not allow CREATE commands to overwrite existing
                files, even if asked to.
  -o <file>     Log to given file instead of syslog.
  -P <perms>    Sets the permissions to assign to all following sockets
  -p <file>     Location of the PID-file.
  -R            Allow recursive directory creation within -b <dir>
  -s <id|name>  Group owner of all following UNIX sockets
                (the socket will also have read/write permissions for that group)
  -t <threads>  Number of write threads.
  -U <user>     Unprivileged user account used when running.
  -V <LOGLEVEL> Max syslog level to log with, with LOG_DEBUG being
                the maximum and LOG_EMERG minimum; see syslog.h
  -w <seconds>  Interval in which to write data.
  -z <delay>    Delay writes up to <delay> seconds to spread load

For more information and a detailed description of all options please refer
to the rrdcached(1) manual page.