rrdfirst(1) - phpMan

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 AT ntopSupport.com> Daemon support added by Steve Shipway
       <steve AT steveshipway.org>

1.7.2                                       2022-03-17                                RRDFIRST(1)

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