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| 4 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> |
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| 6 | <link rel="stylesheet" href="style.css" type="text/css" /> |
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| 7 | <meta http-equiv="refresh" content="300" /> |
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| 8 | <title>Munin :: definitions</title> |
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| 9 | <meta http-equiv="content-type" content="application/xhtml+xml; charset=iso-8859-1" /> |
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| 10 | <meta name="author" content="Jimmy Olsen" /> |
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| 11 | </head> |
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| 12 | <body> |
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| 13 | <table cellpadding="3" border="0"> |
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| 14 | <tr> |
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| 15 | <td><div class="logo"> </div></td> |
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| 16 | <td valign="top"><h1>Definition of terms used in Munin</h1></td> |
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| 17 | </tr> |
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| 18 | </table> |
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| 19 | <div class="box"> |
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| 20 | <table cellpadding="2" cellspacing="4" border="0"> |
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| 21 | <tr> |
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| 22 | <td valign="top" align="left"><a id="data_types">Data types:</a></td> |
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| 23 | </tr> |
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| 24 | <tr> |
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| 25 | <td colspan="2"><hr class="ruler" /></td> |
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| 26 | </tr> |
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| 27 | <tr> |
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| 28 | <td valign="top" align="left">– <a id="gauge">Gauge</a></td> |
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| 29 | <td valign="top" align="left">A data source of type gauge shows the state of the data source at the |
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| 30 | exact moment that Munin is run (every 5 minutes). Any peaks in-between data gatherings, will not be in |
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| 31 | the graph.</td> |
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| 32 | </tr> |
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| 33 | <tr> |
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| 34 | <td valign="top" align="left">– <a id="counter">Counter</a></td> |
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| 35 | <td valign="top" align="left">A data source of type counter shows the state of the data source as an |
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| 36 | average between two plots (i.e. 5 minutes). Short peaks will therefore be hard to spot, but long peaks |
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| 37 | will be spottable, even though it occurs between plots.</td> |
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| 38 | </tr> |
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| 39 | <tr> |
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| 40 | <td valign="top" align="left">– <a id="derive">Derive</a></td> |
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| 41 | <td valign="top" align="left">For the purposes of viewing data, the derive type works the same way as a |
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| 42 | counter</td> |
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| 43 | </tr> |
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| 44 | <tr> |
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| 45 | <td valign="top" align="left">– <a id="absolute">Absolute</a></td> |
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| 46 | <td valign="top" align="left">Absolute works much as a counter, with the exception that it is assumed |
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| 47 | that the counter value is set to 0 upon each read of it. It's not a good idea to run these plugins by |
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| 48 | hand in-between Munin runs, since Munin won't receive all the data it expects.</td> |
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| 49 | </tr> |
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| 50 | <tr> |
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| 51 | <td colspan="2"><hr class="ruler2" /></td> |
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| 52 | </tr> |
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| 54 | <td valign="top" align="left"></td> |
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| 55 | </tr> |
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| 56 | </table> |
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| 57 | </div> |
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| 58 | <table cellpadding="2" cellspacing="4" border="0"> |
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| 59 | <tr> |
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| 60 | <td><i class="small"><a href="http://www.linpro.no/projects/munin/">Munin</a></i></td> |
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| 61 | </tr> |
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| 62 | </table> |
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| 63 | </body> |
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| 64 | </html> |
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