72 lines
5.7 KiB
HTML
72 lines
5.7 KiB
HTML
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Monitor concepts" />
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<meta name="abstract" content="Monitors can display real-time performance data. Additionally, they can continually monitor your system in order to run a selected command when a specified threshold is reached. Learn how monitors work, what they can monitor, and how they can respond to a given performance situation." />
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<meta name="description" content="Monitors can display real-time performance data. Additionally, they can continually monitor your system in order to run a selected command when a specified threshold is reached. Learn how monitors work, what they can monitor, and how they can respond to a given performance situation." />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<title>Monitor concepts</title>
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</head>
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<body id="rzahxmoncon"><a name="rzahxmoncon"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Monitor concepts</h1>
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<div><p>Monitors can display real-time performance data. Additionally,
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they can continually monitor your system in order to run a selected command
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when a specified threshold is reached. Learn how monitors work, what they
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can monitor, and how they can respond to a given performance situation.</p>
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<p>The system monitors display the data stored in the collection objects that
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are generated and maintained by Collection Services. The system monitors display
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data as it is collected, for up to one hour. To view longer periods of data,
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you should use Graph history. You can change the frequency of the data collection
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in the monitor properties, which overrides the settings in Collection Services.</p>
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<p>You can use monitors to track and research many different elements of system
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performance and can have many different monitors running simultaneously. When
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used together, the monitors provide a sophisticated tool for observing and
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managing system performance. For example, when implementing a new interactive
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application, you might use a system monitor to prioritize a job's resource
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utilization, a job monitor to watch for and handle any problematic jobs, and
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a message monitor to alert you if a specified message occurs on any of your
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systems.</p>
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<div class="section"><h4 class="sectiontitle">Setting thresholds and actions</h4><p>When you create a
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new monitor, you can specify actions you want to occur when the system metric
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reaches a specified threshold level, or an event occurs. When threshold levels
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or events occur, you can choose to run an <span class="keyword">i5/OS™</span> command
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on the endpoint systems, such as sending a message or holding a job queue.
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Additionally, you may choose to have the monitor carry out several predefined
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actions such as updating the event log and alerting you by either sounding
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an alarm on your PC or launching the monitor. Finally, you can automatically
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reset the monitor by specifying a second threshold level which causes the
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monitor to resume normal activity when it is reached.</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzahxmonparent.htm" title="Monitors display current information about the performance of your systems. Additionally, you can use them to carry out predefined actions when a specific event occurs. You can use the system, message, job, file, and B2B transaction monitors to display and monitor information about your systems. The system and job monitors use the performance data collected by Collection Services.">iSeries Navigator monitors</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzahxcollectdatacs.htm" title="Use Collection Services to collect performance data for later analysis by the Performance Tools for iSeries licensed program or other performance report applications, iSeries Navigator monitors, and the graph history function. (If you prefer viewing real-time performance data, system monitors provide an easy-to-use graphical interface for monitoring system performance.)">Collection Services</a></div>
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<div><a href="rzahxgrphparent.htm" title="Graph history provides a graphical display of performance data collected by Collection Services over a specified period of time.">Graph history</a></div>
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</div>
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</div>
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</body>
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</html>
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