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rrdlastupdate

Name
     rrdlastupdate - 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.

Author
     Andy Riebs <andy.riebs@hp.com>
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