rrdlast - Return the date of the last data sample in an RRD
rrdtool last filename [--daemon address]
The last function returns the UNIX timestamp of the most recent update of the RRD.
flush
command is sent
to the server before reading the RRD files. This allows rrdtool to return
fresh data even if the daemon is configured to cache values for a long time.
For a list of accepted formats, see the -l option in the the rrdcached manpage manual.
rrdtool last --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
The following environment variables may be used to change the behavior of
rrdtoollast
:
--daemon
option on the command line. If both are present, the command
line argument takes precedence.
Russ Wright <rwwright@home.com>