Attached patch to ganglia-3.0.5 causes the network graphs to be rendered as
bits/sec instead of bytes/sec.
Seeing as network capacties are usually measured in bits/sec, this seems
like a sensible default.
--
Caleb Epstein
diff -ur ganglia-3.0.5/web/graph.php /pub/www/monitor/ganglia/graph.php
--- ganglia-3.0.5/web/graph.php 2007-10-03 00:48:43.000000000 -0400
+++ /pub/www/monitor/ganglia/graph.php 2007-11-02 16:26:50.880590000 -0400
@@ -217,12 +217,14 @@
$lower_limit = "--lower-limit 0 --rigid";
$extras = "--base 1024";
- $vertical_label = "--vertical-label 'Bytes/sec'";
+ $vertical_label = "--vertical-label 'bits/sec'";
$series = "DEF:'bytes_in'='${rrd_dir}/bytes_in.rrd':'sum':AVERAGE "
."DEF:'bytes_out'='${rrd_dir}/bytes_out.rrd':'sum':AVERAGE "
- ."LINE2:'bytes_in'#$mem_cached_color:'In' "
- ."LINE2:'bytes_out'#$mem_used_color:'Out' ";
+ ."CDEF:'bits_in'='bytes_in',8,* "
+ ."CDEF:'bits_out'='bytes_out',8,* "
+ ."LINE2:'bits_in'#$mem_cached_color:'In' "
+ ."LINE2:'bits_out'#$mem_used_color:'Out' ";
}
else if ($graph == "packet_report")
{
@@ -285,6 +287,18 @@
$rrd_file = "$rrd_dir/$metricname.rrd";
$series = "DEF:'sum'='$rrd_file':'sum':AVERAGE "
."AREA:'sum'#$default_metric_color:'$subtitle' ";
+
+ // Make network graphs bits/sec
+ if ($metricname == "bytes_in" or $metricname == "bytes_out")
+ {
+ $series = "DEF:'sum'='$rrd_file':'sum':AVERAGE "
+ ."CDEF:'bits'='sum',8,* "
+ ."AREA:'bits'#$default_metric_color:'$subtitle' ";
+
+ $metricname = "network" . substr ($metricname, 5);
+ $vertical_label = "--vertical-label 'bits/sec'";
+ }
+
if ($jobstart)
$series .= "VRULE:$jobstart#$jobstart_color ";
}
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