115 lines
7.6 KiB
HTML
115 lines
7.6 KiB
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<meta name="DC.Title" content="Gathering performance data with Collection Services" />
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<meta name="abstract" content="If you are not running Collection Services, or your collection objects are not current, start Collection Services in any of the following ways:" />
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<title>Gathering performance data with Collection Services</title>
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<body id="gatheringperformancedatawithcollectionservices"><a name="gatheringperformancedatawithcollectionservices"><!-- --></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">Gathering performance data with Collection Services</h1>
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<div><p>If you are not running Collection Services, or your collection
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objects are not current, start Collection Services in any of the following
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ways:</p>
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<div class="p"></div>
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<div class="section"><ul><li>Use the <a href="../rzahx/rzahxcollectdatacs.htm">Collection
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Services</a> function that is available in <span class="keyword">iSeries™ Navigator</span>. </li>
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<li>Use either the <a href="../apis/qypsstrc.htm">Start
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Collector</a> (QYPSSTRC) API or the Start Performance Collection (STRPFRCOL)
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command. If you do not use the Management Central function in <span class="keyword">iSeries Navigator</span>,
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you can manage your collections with either of the following methodss: <ul><li><a href="../apis/perfmgmt.htm">Performance
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Management APIs</a> .
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These APIs start, end, and cycle collections, and change and retrieve system
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parameters for the data collected.</li>
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<li>Performance collection commands: STRPFRCOL, End Performance Collection
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(ENDPFRCOL), Configure Performance Collection (CFGPFRCOL), and Check Performance
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Collection (CHKPRFCOL). These commands start, end, and cycle collections for
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the data collected.</li>
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</ul>
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</li>
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<li>If you have the Performance Tools licensed program (PT1) installed, use
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Option 2 from the Performance Tools main menu. Refer to <a href="../books/sc415340.pdf" target="_blank">Performance Tools for iSeries</a> <img src="wbpdf.gif" alt="Link to PDF" /> for additional
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information on collecting performance data with this option.</li>
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<li>Activate <a href="../rzahx/rzahxplangrow1pm1.htm">IBM
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Performance Management for eServer <span class="keyword">iSeries</span></a>,
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which automates the start of Collection Services and then creates the database
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files during collection.</li>
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</ul>
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<p>Ensure that Collection Services has been configured to collect the
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data you require, and that it runs long enough to accurately represent your
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operating environment.</p>
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<p>The following example uses the <a href="../apis/perfmgmt_colsvc1.htm">Collector APIs</a>.</p>
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</div>
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<ol><li class="stepexpand"><span>Run Collection Services for at least one or two days, and make
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sure that peak and off-peak workloads are represented. Type this command: </span> <pre>CALL PGM(QYPSSTRC) PARM('*PFR ' '*STANDARDP' X'00000000')</pre>
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<p>This
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command starts Collection Services and uses the <strong>Standard plus protocol</strong> for
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the collection profile. Once you start Collection Services with this command,
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it will collect performance data and store it in the collection object until
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you either explicitly stop it or restart the system. (If collection was run
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for more than one day, more than one collection object will be produced.)
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This profile collects all the data categories typically needed by the tools
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in Performance Tools for iSeries, including communications protocol data.
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The default configuration also starts a batch job CRTPFRDTA, which creates
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the performance database files. </p>
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</li>
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<li class="stepexpand"><span>Collection Services stores the data in an object type of *MGTCOL. </span> <div class="p">You can convert this object into performance database files for
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later analysis. To retain the object for future use, you can save the objects
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to tape or to a save file (SAVF). Collection Services can delete collection
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objects from the server at any time after the retention period has expired.
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The default retention period is 24 hours. If you do not want Collection Services
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to delete your collection objects for you, change your retention period to
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permanent (set a retention period of *PERM) as shown in the example that follows.
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<div class="note"><span class="notetitle">Note:</span> The following command example shows the shipped default values with
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the exception of the retention period value. A retention period of *PERM requires
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a value of 0. Furthermore, you must make this change before or during the
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data collection. The change does not affect any collection objects that are
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already cycled.</div>
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</div>
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<p>To change the retention period by using the Change
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Collection Services Attributes API, type the following command: </p>
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<div class="note"><span class="notetitle">Note:</span> By using the following code example, you agree to the terms of
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the <a href="codedisclaimer.htm">Code license and disclaimer information</a>.</div>
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<pre>CALL PGM(QYPSCSCA) PARM('*PFR ' /* collection */
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X'00000384' /* interval 900 sec */
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'QPFRDATA ' /* library */
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X'00000000' /* retention period is permanent */
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X'00000000' /* cycle time 00:00:00 */
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X'00000018' /* cycle interval 24Hrs */
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X'00000001' /* start CRTPFRDTA */
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'*STANDARDP' /* default profile */
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X'00000000') /* return code */
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</pre>
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</li>
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<li class="stepexpand"><span>If you want to explicitly stop the collector after the desired
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data is obtained, type this command: </span> <pre>CALL PGM(QYPSENDC) PARM('*PFR ' X'00000000')</pre>
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</li>
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</ol>
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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="gatherperfdata.htm" title="Establish system benchmarks before you install a new version of the operating system or make a major system configuration change such as adding a new software application.">Gathering performance data for benchmark</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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