RRDFIRST(1)                         rrdtool                        RRDFIRST(1)



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

SSYYNNOOPPSSIISS
       rrrrddttooooll ffiirrsstt _f_i_l_e_n_a_m_e [----rrrraaiinnddeexx _n_u_m_b_e_r] [----ddaaeemmoonn|--dd _a_d_d_r_e_s_s]

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

       _f_i_l_e_n_a_m_e
               The name of the RRRRDD that contains the data.

       ----rrrraaiinnddeexx _n_u_m_b_e_r
               The index number of the RRRRAA that is to be examined. If not
               specified, the index defaults to zero. RRRRAA index numbers can be
               determined through rrrrddttooooll iinnffoo.

       ----ddaaeemmoonn|--dd _a_d_d_r_e_s_s
               Address of the rrdcached daemon.  For a list of accepted
               formats, see the --ll option in the rrdcached manual.

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

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



1.8.0                             2022-03-14                       RRDFIRST(1)
