X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=doc%2Frrdgraph.pod;h=2c57dbb156b7e1687e8f04916273bf2cb05e3de2;hb=5bf8f29cfab14076fab38ac26a98fc4993a23b7e;hp=c2e9b3da212bb33e40818a1da0858dbbd0f1355c;hpb=8049b1873ee4661cd0eddb7d9b289fa1aab3e401;p=rrdtool.git diff --git a/doc/rrdgraph.pod b/doc/rrdgraph.pod index c2e9b3d..2c57dbb 100644 --- a/doc/rrdgraph.pod +++ b/doc/rrdgraph.pod @@ -248,7 +248,7 @@ to the more robust B<--alt-y-grid> mode. How many digits should rrdtool assume the y-axis labels to be? You may have to use this option to make enough space once you start -fideling with the y-axis labeling. +fiddling with the y-axis labeling. [B<--units=si>] @@ -267,6 +267,17 @@ Note, that only the image size will be returned, if you run with lazy even when using graphv and even when using PRINT. +[B<--daemon> I
] + +Address of the L daemon. If specified, a C command is sent +to the server before reading the RRD files. This allows the graph to contain +fresh data even if the daemon is configured to cache values for a long time. To +specify a UNIX domain socket use the prefix C, see example below. Other +addresses are interpreted as normal network addresses, i.Ee. IPv4 or IPv6 +addresses in most cases. + + rrdtool graph [...] --daemon unix:/var/run/rrdcached.sock [...] + [B<-f>|B<--imginfo> I] After the image has been created, the graph function uses printf @@ -469,6 +480,21 @@ There is more information returned than in the standard interface. Especially the 'graph_*' keys are new. They help applications that want to know what is where on the graph. +=head1 ENVIRONMENT VARIABLES + +The following environment variables may be used to change the behavior of +Cgraph>: + +=over 4 + +=item B + +If this environment variable is set it will have the same effect as specifying +the C<--daemon> option on the command line. If both are present, the command +line argument takes precedence. + +=back + =head1 SEE ALSO L gives an overview of how B works.