_R_R_D_L_A_S_T_U_P_D_A_T_E(1)                    rrdtool                   _R_R_D_L_A_S_T_U_P_D_A_T_E(1)

NNAAMMEE
       rrdlastupdate - Return the most recent update to an RRD

SSYYNNOOPPSSIISS
       rrrrddttooooll llaassttuuppddaattee _f_i_l_e_n_a_m_e [----ddaaeemmoonn|--dd _a_d_d_r_e_s_s]

DDEESSCCRRIIPPTTIIOONN
       The llaassttuuppddaattee function returns the UNIX timestamp and the value stored
       for each datum in the most recent update of an RRD.

       _f_i_l_e_n_a_m_e
               The name of the RRRRDD that contains the data.

       ----ddaaeemmoonn|--dd _a_d_d_r_e_s_s
               Address  of  the  rrdcached  daemon.  If  specified,  a "flush"
               command is sent to the server before  reading  the  RRD  files.
               This  allows rrrrddttooooll 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 --ll option in the rrdcached manual.

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

EENNVVIIRROONNMMEENNTT VVAARRIIAABBLLEESS
       The  following environment variables may be used to change the behavior
       of "rrdtool lastupdate":

       RRRRDDCCAACCHHEEDD__AADDDDRREESSSS
           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.

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

1.10.3                            2026-05-25                  _R_R_D_L_A_S_T_U_P_D_A_T_E(1)
