92 lines
7.2 KiB
HTML
92 lines
7.2 KiB
HTML
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<meta name="DC.Title" content="Maximum capacities" />
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<meta name="abstract" content="If you exceed system limitations you can experience an application outage or a system outage. Avoid these types of outages by being aware of the maximum capacities and system limitations in advance." />
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<title>Maximum capacities</title>
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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">Maximum capacities</h1>
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<div><p>If you exceed system limitations you can experience an application
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outage or a system outage. Avoid these types of outages by being aware of
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the maximum capacities and system limitations in advance. </p>
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<div class="p"><img src="./delta.gif" alt="Start of change" /> Even though system limitations can be difficult to predict,
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this topic can help you understand your system's maximum capacity. The tables
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in this topic itemize some of the capacity limitations and restrictions that
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can affect the availability of large systems and their applications. For example,
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an online application halts when the size of a file or the number of its
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members reaches the size limitation. These tables list the limits or maximum
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values for V5R4. Some of these maximum values are different (lower) on prior
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releases. Also, there are environments or configurations where the actual
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limit may be less than the stated maximum. For example, certain high-level
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languages can have more restrictive limits. These limits can range from a
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certain number of objects to memory limitations. Memory limitations are measured
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in megabytes, gigabytes, and terabytes.<div class="note"><span class="notetitle">Note:</span> The values listed in this topic
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represent theoretical limits, not thresholds or recommendations. Approaching
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some of these limits may be unreasonable and can degrade performance. Therefore,
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practical limits may be lower, depending on system size, configuration, and
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application environment.</div>
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<img src="./deltaend.gif" alt="End of change" /></div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzampwhatnew.htm">What's new for V5R4</a></strong><br />
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This topic highlights the changes made to this topic collection for V5R4.</li>
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<li class="ulchildlink"><strong><a href="rzampprint.htm">Printable PDF</a></strong><br />
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Use this to view and print a PDF of this information.</li>
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<li class="ulchildlink"><strong><a href="rzampcluster.htm">Cluster limits</a></strong><br />
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This topic provides system limits for clusters which include cluster software limits, OptiConnect limits, HSL OptiConnect loop limits, and SPD OptiConnect limits.</li>
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<li class="ulchildlink"><strong><a href="rzampcomm.htm">Communications limits</a></strong><br />
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This topic provides system limits for general communications configuration limits, SNA limits, TCP/IP limits, and communications trace service tool limits.</li>
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<li class="ulchildlink"><strong><a href="rzampdbsql.htm">Database and SQL Limits</a></strong><br />
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This topic provides links to system limit values that are related to database and SQL.</li>
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<li class="ulchildlink"><strong><a href="rzampfilesys.htm">File system limits</a></strong><br />
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This topic contains the values for the system limits that are related to file systems.</li>
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<li class="ulchildlink"><strong><a href="rzampjournal.htm">Journal limits</a></strong><br />
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This topic provides system limits for journals, such as the size of a journal receiver, the length of a single journal entry, and the maximum sequence number for journal entries.</li>
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<li class="ulchildlink"><strong><a href="rzampsaverst.htm">Save and restore limits</a></strong><br />
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This topic contains the values for the system limits that are related to save and restore, such as limits for the size of a save file and the size of an object that can be saved.</li>
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<li class="ulchildlink"><strong><a href="rzampsecurity.htm">Security limits</a></strong><br />
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This topic contains the values for the system limits that are related to security, such as limits on the length of passwords and the number of user profiles on a system.</li>
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<li class="ulchildlink"><strong><a href="rzampwrkmgmt.htm">Work management limits</a></strong><br />
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This topic contains the values for the system limits that are related to work management, such as limits on the number of jobs on a system, the number of active subsystems, and the number of jobs in a subsystem.</li>
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<li class="ulchildlink"><strong><a href="rzampother.htm">Miscellaneous limits</a></strong><br />
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This topic provides values for other system limits, such as the number of basic disk pools, the size of a user space, and the size of a message queue.</li>
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<li class="ulchildlink"><strong><a href="rzampprev.htm">Related information for Maximum capacities</a></strong><br />
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This topic provides links to other information related to Maximum capacities.</li>
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</ul>
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</div>
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</body>
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