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<p class=MsoPlainText>Hi All<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>I am busy helping with some ASP.NET monitoring. I got the
performance counters to report. Now they want graphs so I got a basic graph up
and running. Basically I want to show a graph with two lines. 1 Line indicates
the current requests(green) the other the queued requests(red). Like I said I
got the graph running and I have the two values reporting. However it appears a
little funny. The graph is moving into the negative range see attached screen
shot.<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText><img width=673 height=241 id="Picture_x0020_1"
src="cid:image001.png@01CB0233.AAE7D9A0"><o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>What I have seen is that the requests queue are
constantly 0. The current request range from 0-20. Also the number on the y
axis reports it in milli and it is a little misleading. As I am not a rrdtool
expert I think it is averaging the two series and getting this value?<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>Here is my graph definition:<o:p></o:p></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>[asphealth]<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> TITLE
ASP Over All Health<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> YAXIS
Number<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> DEF:RequestsQueued=asphealth.rrd:RequestsQueued:AVERAGE<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> DEF:RequestCurrent=asphealth.rrd:RequestCurrent:AVERAGE<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> LINE2:RequestsQueued#FF0000:RequestsQueued<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> LINE2:RequestCurrent#00FF66:RequestCurrent<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> COMMENT:\n<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> GPRINT:RequestsQueued:LAST:RequestsQueued\:
%5.1lf%s (cur)<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> GPRINT:RequestsQueued:MAX:
\: %5.1lf%s (max)<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> GPRINT:RequestsQueued:MIN:
\: %5.1lf%s (min)<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> GPRINT:RequestsQueued:AVERAGE:
\: %5.1lf%s (avg)\n<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> GPRINT:RequestCurrent:LAST:RequestCurrent\:
%5.1lf%s (cur)<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> GPRINT:RequestCurrent:MAX:
\: %5.1lf%s (max)<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'> GPRINT:RequestCurrent:MIN:
\: %5.1lf%s (min)<o:p></o:p></span></p>
<p class=MsoPlainText><span style='font-size:9.0pt;font-family:"Courier New"'> GPRINT:RequestCurrent:AVERAGE:
\: %5.1lf%s (avg)\n</span><o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>A typical data set looks like this:<o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>ASP
Health Check:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><img
width=16 height=16 id="Picture_x0020_2" src="cid:image002.gif@01CB0234.215EFFA0"
alt=green></span><span style='font-size:10.0pt;font-family:"Courier New"'> ApplicationRestarts: 0<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><img
width=16 height=16 id="Picture_x0020_3" src="cid:image002.gif@01CB0234.215EFFA0"
alt=green></span><span style='font-size:10.0pt;font-family:"Courier New"'> ApplicationRunning: 3<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><img
width=16 height=16 id="Picture_x0020_4" src="cid:image002.gif@01CB0234.215EFFA0"
alt=green></span><span style='font-size:10.0pt;font-family:"Courier New"'> RequestsQueued: 0<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><img
width=16 height=16 id="Picture_x0020_5" src="cid:image002.gif@01CB0234.215EFFA0"
alt=green></span><span style='font-size:10.0pt;font-family:"Courier New"'> RequestCurrent: 6<o:p></o:p></span></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>Like I said it is working but the values are misleading. Any
of your bright people got some pointers? I had a read through the rrdtool
documentation and I realised it is a very rich tool. Anyone got some ideas?<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>Regards<o:p></o:p></p>
<p class=MsoPlainText>Neil<o:p></o:p></p>
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