X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=doc%2Frrdlastupdate.txt;h=4228a0ca51bd3b0aca3b1ca02646e3ae0b0b6b91;hb=d9822df7ed5e8122cf3a62e4e99678e94007f504;hp=fb7bdf269140373388bbc602509080ded3099332;hpb=17d11091c4df387ec01f0fce611cca5e3117a5d7;p=pkg-rrdtool.git diff --git a/doc/rrdlastupdate.txt b/doc/rrdlastupdate.txt index fb7bdf2..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 -1.3.1 2008-03-15 RRDLASTUPDATE(1) +1.4.8 2013-05-23 RRDLASTUPDATE(1)