rrdfirst(1)



RRDFIRST(1)                         rrdtool                        RRDFIRST(1)

NAME
       rrdfirst - Return the date of the first data sample in an RRA within an
       RRD

SYNOPSIS
       rrdtool first filename [--rraindex number] [--daemon|-d address]

DESCRIPTION
       The first function returns the UNIX timestamp of the first data sample
       entered into the specified RRA of the RRD file.

       filename
               The name of the RRD that contains the data.

       --rraindex number
               The index number of the RRA that is to be examined. If not
               specified, the index defaults to zero. RRA index numbers can be
               determined through rrdtool info.

       --daemon|-d address
               Address of the rrdcached daemon.  For a list of accepted
               formats, see the -l option in the rrdcached manual.

                rrdtool first --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd

AUTHOR
       Burton Strauss <Burton@ntopSupport.com> Daemon support added by Steve
       Shipway <steve@steveshipway.org>

1.6.0                             2017-07-22                       RRDFIRST(1)

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