X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=doc%2Frrdgraph.pod;h=99b2e6bd593547c22335ef2d4d5d5cf1db572112;hb=9fd92a932867262d4f3eb239f05473252f1e98b2;hp=592cb9b76ceff102d59f60017638ce48776622ad;hpb=6d19d9d651c2b710f26ba98417f280d1b6cd9cf4;p=rrdtool.git
diff --git a/doc/rrdgraph.pod b/doc/rrdgraph.pod
index 592cb9b..99b2e6b 100644
--- a/doc/rrdgraph.pod
+++ b/doc/rrdgraph.pod
@@ -262,8 +262,10 @@ Note that for linear graphs, SI notation is used by default.
[B<-z>|B<--lazy>]
-Only generate the graph if the current graph is out of date or not
-existent.
+Only generate the graph if the current graph is out of date or not existent.
+Note, that only the image size will be returned, if you run with lazy even
+when using graphv.
+
[B<--daemon> I
]
@@ -274,7 +276,7 @@ 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 fetch --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd AVERAGE
+ rrdtool graph [...] --daemon unix:/var/run/rrdcached.sock [...]
[B<-f>|B<--imginfo> I]
@@ -450,8 +452,6 @@ at least one print statement to generate a report.
See L for the exact format.
-=back
-
=head2 graphv
Calling rrdtool with the graphv option will return information in the
@@ -480,6 +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.