Caché Installation Guide - InterSystems Documentation

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Calculating System Parameters for OpenVMS If your current value for any of these parameters is less than the recommended minimum value, you should adjust the values during installation using the SET command of the OpenVMS SYSGEN utility or the OpenVMS AUTHORIZE utility for each user account. 82 Caché Installation Guide
B Calculating System Parameters for UNIX and Linux This document is part of the Caché Installation Guide for UNIX and Linux. This document explains how you can calculate the best parameters for your system. It is divided into two sections: • Determine Memory and Disk Requirements—calculate memory requirements, swap space, disk requirements, maximum buffers, maximum users, and maximum database size. • Configure UNIX Kernel Parameters—set values for tunable UNIX parameters and other platformspecific memory management issues. For optimal Caché performance, you need to calculate proper values for certain Caché system parameters. These values allow you to determine whether you need to adjust certain system level parameters. The values you choose should minimize swapping and paging that require disk accesses, and thus improve system performance. Review this section carefully and calculate the proper values for both your operating system and Caché before proceeding. Use the tables provided here to record the current and calculated values for your system level parameters. You can then refer to these tables when you install Caché. After your system is running, you may need to adjust these values to gain optimal performance. If you are not already familiar with the memory organization at your operating system level, consult the appropriate system documentation. Caché Installation Guide 83
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Caché Installation Guide Version 2
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Table of Contents About This Book .
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5.1.2 Supported Platforms and Web S
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List of Tables Components Installed
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About This Book Default Caché Inst
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Upgrading Caché You may upgrade di
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2 Installing Caché on Microsoft Wi
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If you are installing Caché from a
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2. The DVD should autoload; if it d
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Caché Installation Component Group
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Caché Installation To perform a se
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is part of a Windows cluster, you m
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Caché Installation To perform a Ca
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Post-installation Tasks 7. The Read
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enable a previous Caché instance t
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Special Considerations Locale optio
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3 Installing Caché on OpenVMS This
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Caché Installation 3.2.1 Transfer
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Page 41 and 42: 1. Check if times in Caché and Ope
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Page 45 and 46: 4 Installing Caché on UNIX and Lin
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Page 77 and 78: A.2 OpenVMS Page Organization OpenV
Page 79 and 80: OpenVMS Physical Memory Allocation
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Page 83 and 84: A.5.1 Determine Parameter Calculato
Page 85 and 86: Alternatively, you may run the Open
Page 87 and 88: OpenVMS System Parameter Values Ana
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Page 105 and 106: The following table lists the tunab
Page 107 and 108: ash$ ulimit -a core file size (bloc
Page 109 and 110: The ZFS Intent Log (ZIL) is used du
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Page 114 and 115: Using the Caché Installation Param
Page 120 and 121: Preparing for Caché Advanced Secur
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