96 lines
7.4 KiB
HTML
96 lines
7.4 KiB
HTML
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<title>Track performance</title>
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<body id="rzahxtrack"><a name="rzahxtrack"><!-- --></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">Track performance</h1>
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<div><p>Tracking your system performance over time allows you to plan for
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your system's growth and ensures that you have data to help isolate and identify
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the cause of performance problems. Learn which applications to use and how
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to routinely collect performance data.</p>
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<p>Tracking system performance for the <span class="keyword">iSeries™</span> server
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helps you identify trends that can help you tune your system configuration
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and make the best choices about when and how to upgrade your system. Moreover,
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when problems occur, it is essential to have performance data from before
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and after the incident to narrow down the cause of the performance problem,
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and to find an appropriate resolution.</p>
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<p>The<span class="keyword">iSeries</span> server includes
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several applications for tracking performance trends and maintaining a historical
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record of <span class="keyword">iSeries</span> performance
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data. Most of these applications use the data collected by Collection Services.
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You can use Collection Services to watch for trends in the following areas:</p>
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<ul><li>Trends in system resource utilization. You can use this information to
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plan and specifically tailor system configuration changes and upgrades.</li>
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<li>Identification of stress on physical components of the configuration.</li>
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<li>Balance between the use of system resource by interactive jobs and batch
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jobs during peak and normal usage.</li>
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<li>Configuration changes. You can use Collection Services data to accurately
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predict the effect of changes like adding user groups, increased interactive
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jobs, and other changes.</li>
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<li>Identification of jobs which may be causing problems with other activity
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on the system</li>
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<li> Utilization level and trends for available communication lines. </li>
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</ul>
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<p>The following tools will help you monitor your system performance over
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time:</p>
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<dl><dt class="dlterm">Collection services</dt>
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<dd>Collection services gathers performance data at user-defined time intervals
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and then stores this information in collection objects on your system. Many
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of the other tools, including monitors, Graph history, PM <span class="keyword">iSeries</span>,
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and many functions in the Performance Tools licensed program, rely on these
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collection objects for their data.</dd>
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<dt class="dlterm">Graph history</dt>
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<dd>Graph history displays performance data collected with Collection Services
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over a specified period of time through a graphical user interface (GUI).
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The length of time available for display depends on how long you are retaining
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the collection objects, and whether you are using PM <span class="keyword">iSeries</span>.</dd>
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<dt class="dlterm">PM <span class="keyword">iSeries</span></dt>
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<dd>PM <span class="keyword">iSeries</span> automates the
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collection, archival, and analysis of system performance data and returns
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clear reports to help you manage system resources and capacity.</dd>
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</dl>
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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="rzahxmngparent.htm" title="Performance management is necessary to optimize utilization of your computer system by measuring current capabilities, recognizing trends, and making appropriate adjustments to satisfy end user and management requirements such as response time or job throughput. It is needed to maintain business efficiency and avoid prolonged suspension of normal business activities. Therefore, managing performance is part of your daily operations.">Manage iSeries performance</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><a href="rzahxplangrow1pm1.htm" title="PM iSeries automates the collection, archival, and analysis of system performance data and returns reports to help you manage system resources and capacity. PM iSeries uses the performance data collected by Collection Services.">IBM Performance Management for eServer iSeries</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rzahxebusnet.htm" title="The network design, hardware resources and traffic pressure often have a significant effect on the performance of e-business applications. You can use this topic for information on how to optimize network performance, and tune server communication resources.">Network performance</a></div>
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</div>
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