51 lines
3.1 KiB
HTML
51 lines
3.1 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="copyright" content="(C) Copyright IBM Corporation 2005" />
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<meta name="DC.Type" content="task" />
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<meta name="DC.Title" content="Tips to improve the performance of the CPYFRMIMPF command" />
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<meta name="DC.Relation" scheme="URI" content="rbal3usingcpyfrm.htm" />
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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>Tips to improve the performance of the CPYFRMIMPF command</title>
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</head>
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<body id="rbal3cpyfrmtips"><a name="rbal3cpyfrmtips"><!-- --></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">Tips to improve the performance of the CPYFRMIMPF command</h1>
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<div><div class="section"> <p>Follow these steps to improve the performance of the <a href="../cl/cpyfrmimpf.htm">CPYFRMIMPF </a>command:</p>
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</div>
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<ol><li class="stepexpand"><span>Delete any logical keyed files based on the TOFILE.</span></li>
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<li class="stepexpand"><span>Remove all constraints and triggers of the TOFILE.</span></li>
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<li class="stepexpand"><span>Ensure the FROMFILE records will be copied correctly by attempting
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to copy a few of the records. Copy a few of the records using the FROMRCD
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and number of records option.</span></li>
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<li class="stepexpand"><span>Use the ERRLVL(*NOMAX) parameter after you know you can copy the
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data correctly.</span></li>
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<li class="stepexpand"><span>When the ERRLVL(*NOMAX) parameter is used, record blocking increases
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performance.</span> If an error in writing a record occurs during record
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blocking, the number of records listed as being copied in the completion message,
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CPC2955, might not be accurate.</li>
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</ol>
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<div class="section"></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="rbal3usingcpyfrm.htm" title="The Copy From Import File (CPYFRMIMPF) command maps or parses the data from ("import") an import file to the to-file.">Use the Copy From Import File (CPYFRMIMPF) command to copy between different servers</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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