index 9360e0667050c549c2b8e4c69b7718e681c30574..f09ce847fe9a055fc872a48f2b1cc10faf4a9341 100644 (file)
COMMENT:" "
-Note: three times size == 11 chars, "###.## xBps"
+Note: the column titles have to be as wide as the columns
COMMENT:"Maximum "
COMMENT:"Average "
COMMENT:"Minimum "
-Note: last line contains new-line character
+Note: some lines contains the new-line character "\n"
COMMENT:"95th percentile\n"
AREA:ds0bits#00C000:"Inbound "
DEF:mydata=my.rrd:ds:AVERAGE
-Note: this will also influence anything that uses "data"
+Note: this will also influence any other command that uses "data"
CDEF:data=mydata,100,+
LINE1:data#FF0000:"Data with offset"
=head2 Time ranges
Last four weeks: --start end-4w --end 00:00
- Januari 2001: --start 200101010000 --end start+31d
- Januari 2001: --start 200101010000 --end 200102010000
+ January 2001: --start 200101010000 --end start+31d
+ January 2001: --start 200101010000 --end 200102010000
Last hour: --start end-1h
Last 24 hours: <nothing at all>
Yesterday: --end 00:00
-=head2 Viewing This week and last week together
+=head2 Viewing the current and previous week together
--end now --start end-1w
DEF:thisweek=router.rrd:ds0:AVERAGE
DEF:lastweek=router.rrd:ds0:AVERAGE:end=now-1w:start=end-1w
-shift the data forward by one week (604800 seconds)
+Shift the data forward by one week (604800 seconds)
SHIFT:lastweek:604800
[ more of the usual VDEF and CDEF stuff if you like ]
=head1 SEE ALSO
L<rrdgraph> gives an overview of how B<rrdtool graph> works.
-L<rrdgraph_data> describes B<DEF>,B<CDEF> and B<VDEF> in detail,
-L<rrdgraph_rpn> describes the B<RPN> language used in the B<?DEF> statements,
-L<rrdgraph_graph> page describes all of the graph and print functions.
+L<rrdgraph_data> describes B<DEF>,B<CDEF> and B<VDEF> in detail.
+L<rrdgraph_rpn> describes the B<RPN> language used in the B<?DEF> statements.
+L<rrdgraph_graph> page describes all the graph and print functions.
Make sure to read L<rrdgraph_examples> for tipsE<amp>tricks.