rrdlastupdate(1)
Return the most recent update to an RRD
SYNOPSIS
rrdtool lastupdate filename
[--daemon|-d address]
DESCRIPTION
The
lastupdate function returns the
UNIX timestamp and the
value stored for each datum in the most recent update of an
RRD.
- filename
-
The name of the RRD that contains the data.
- --daemon|-d address
-
Address of the rrdcached daemon. If specified, a "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 rrdcached manual.
rrdtool lastupdate --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
ENVIRONMENT VARIABLES
The following environment variables may be used to change the behavior of
"rrdtool lastupdate":
- RRDCACHED_ADDRESS
-
If this environment variable is set it will have the same effect as specifying
the "--daemon" option on the command line. If both are present, the command
line argument takes precedence.
