64 lines
4.2 KiB
HTML
64 lines
4.2 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE 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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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Subsystem descriptions and prestart job entries with DDM" />
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<meta name="abstract" content="A subsystem description defines how, where, and how much work enters a subsystem, and which resources the subsystem uses to perform the work. The following describes how the prestart job entries in the QUSRWRK (or QSYSWRK prior to OS/400 V5R2) subsystem description affect the DDM server." />
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<meta name="description" content="A subsystem description defines how, where, and how much work enters a subsystem, and which resources the subsystem uses to perform the work. The following describes how the prestart job entries in the QUSRWRK (or QSYSWRK prior to OS/400 V5R2) subsystem description affect the DDM server." />
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<meta name="DC.subject" content="subsystem, descriptions" />
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<meta name="keywords" content="subsystem, descriptions" />
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<meta name="DC.Relation" scheme="URI" content="rbal1subsyss.htm" />
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<meta name="DC.Relation" scheme="URI" content="../cl/endpj.htm" />
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<meta name="DC.Relation" scheme="URI" content="../cl/strpj.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rbal1prestart" />
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<meta name="DC.Language" content="en-us" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Subsystem descriptions and prestart job entries with DDM</title>
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</head>
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<body id="rbal1prestart"><a name="rbal1prestart"><!-- --></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">Subsystem descriptions and prestart job entries with DDM</h1>
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<div><p>A subsystem description defines how, where, and how much work enters
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a subsystem, and which resources the subsystem uses to perform the work. The
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following describes how the prestart job entries in the QUSRWRK (or QSYSWRK
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prior to OS/400<sup>®</sup> V5R2)
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subsystem description affect the DDM server.</p>
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<div class="section"><p>A prestart job is a batch job that starts running before an application
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requester (AR) initiates communications with the server. Prestart jobs use
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prestart job entries in the subsystem description to determine which program,
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class, and storage pool to use when the jobs are started. Within a prestart
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job entry, you must specify attributes that the subsystem uses to create and
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manage a pool of prestart jobs.</p>
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</div>
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<div class="section"><p>Prestart jobs provide increased performance when initiating a
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connection to a server. Prestart job entries are defined within a subsystem.
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Prestart jobs become active when that subsystem is started, or they can be
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controlled with the <span class="cmdname">Start Prestart Jobs (STRPJ)</span> and <span class="cmdname">End
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Prestart Jobs (ENDPJ)</span> commands.</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="rbal1subsyss.htm" title="These topics discuss DRDA/DDM server jobs.">DRDA/DDM server jobs</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="../cl/endpj.htm">End Prestart Jobs (ENDPJ) command</a></div>
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<div><a href="../cl/strpj.htm">Start Prestart Jobs (STRPJ) command</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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