78 lines
5.9 KiB
HTML
78 lines
5.9 KiB
HTML
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Find wait statistics for a job, task, or thread" />
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<meta name="abstract" content="During the running of a job, task, or thread, conditions arise that cause that process to wait (for example, while the system resolves a lock or hold on a required object)." />
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<title>Find wait statistics for a job, task, or thread</title>
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<body id="rzahxcollservwait"><a name="rzahxcollservwait"><!-- --></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">Find wait statistics for a job, task, or thread</h1>
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<div><p>During the running of a job, task, or thread, conditions arise
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that cause that process to wait (for example, while the system resolves a
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lock or hold on a required object).</p>
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<p><img src="./delta.gif" alt="Start of change" />Collection Services can collect data on the cause and duration
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of the time a process spends waiting. This data is reported in the Collection
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Services database files QAPMJOBWT and QAPMJOBWTD. <img src="./deltaend.gif" alt="End of change" /></p>
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<p><img src="./delta.gif" alt="Start of change" />Another tool that shows job wait statistics is Job Watcher.
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Job Watcher is a component of the iDoctor for <span class="keyword">iSeries™</span> software
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product. Job Watcher returns realtime information about a selected set of
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jobs, threads and licensed internal program (LIC) tasks. At specified time
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intervals, Job Watcher samples anywhere from one thread/job to all threads/job.
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Job Watcher gathers a variety of performance data, including detailed wait
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statistics for jobs, tasks, and threads.<img src="./deltaend.gif" alt="End of change" /></p>
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<div class="p"><img src="./delta.gif" alt="Start of change" />Two types of wait buckets accumulate wait state data:<dl><dt class="dlterm">Static wait buckets</dt>
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<dd>A set of 16 statistical buckets which accumulate wait state data. Static
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wait buckets, used by Collection Services, provide a stable view of the wait
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state data. Data from the static buckets is reported in the QAPMJOBWT file.</dd>
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<dt class="dlterm">Dynamic wait buckets</dt>
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<dd>A set of up to 32 statistical buckets which accumulate wait state data.
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Initially, dynamic wait buckets are mapped to contain the same data as the
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static wait buckets. However, you can remap dynamic wait buckets.</dd>
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</dl>
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<img src="./deltaend.gif" alt="End of change" /></div>
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<div class="note"><span class="notetitle">Note:</span> <img src="./delta.gif" alt="Start of change" />To query the QAPMJOBWTD file, the CCSID of your job must
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be set to the CCSID of the primary language installed on the system (not to
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65 535-binary data.<img src="./deltaend.gif" alt="End of change" /></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="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>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzahxidoctor.htm" title="The iDoctor for iSeries plugin consists of a variety of software tools for managing performance, for example, PEX Analyzer for detailed trace data analysis and Job Watcher for trace-level information about a job's behavior.">iDoctor for iSeries</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="rzahxqapmjobwt.htm">Performance data files: QAPMJOBWT</a></div>
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<div><a href="rzahxqapmjobwtd.htm">Performance data files: QAPMJOBWTD</a></div>
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<div><a href="../rzaks/rzaksjoblife.htm">A jobs life</a></div>
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<div><a href="../experience/jobattabstract53.htm">Work management job attributes</a></div>
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</div>
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</div>
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</body>
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