X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=doc%2Frrdlastupdate.txt;h=4228a0ca51bd3b0aca3b1ca02646e3ae0b0b6b91;hb=6e58e96d05b3300ff189d192d490da081d5fdffa;hp=54d0d72985c95d5c8a1e7af210e5dbf16f68ec6e;hpb=3a03e55068747637db4480d4f3a8ab8ef26c50b1;p=pkg-rrdtool.git diff --git a/doc/rrdlastupdate.txt b/doc/rrdlastupdate.txt index 54d0d72..4228a0c 100644 --- a/doc/rrdlastupdate.txt +++ b/doc/rrdlastupdate.txt @@ -6,7 +6,7 @@ NNAAMMEE rrdlastupdate - Return the most recent update to an RRD SSYYNNOOPPSSIISS - rrrrddttooooll llaassttuuppddaattee _f_i_l_e_n_a_m_e + rrrrddttooooll llaassttuuppddaattee _f_i_l_e_n_a_m_e [----ddaaeemmoonn _a_d_d_r_e_s_s] DDEESSCCRRIIPPTTIIOONN The llaassttuuppddaattee function returns the UNIX timestamp and the value stored @@ -15,9 +15,27 @@ DDEESSCCRRIIPPTTIIOONN _f_i_l_e_n_a_m_e The name of the RRRRDD that contains the data. + ----ddaaeemmoonn _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 -1.3.0 2008-03-15 RRDLASTUPDATE(1) +1.4.8 2013-05-23 RRDLASTUPDATE(1)