Caché Installation Guide - InterSystems Documentation

5.1.2 Supported Platforms and Web Servers ....................................................................... 60
5.2 Caché Installation ................................................................................................................. 60
5.2.1 System Management Portal ....................................................................................... 63
5.2.2 Uninstall Caché .......................................................................................................... 63
5.3 Caché UNIX-based Installation ........................................................................................... 63
5.3.1 Adjustments for Large Number of Concurrent Processes ......................................... 64
5.3.2 Using FileVault .......................................................................................................... 64
Appendix A: Calculating System Parameters for OpenVMS ..................................................... 67
A.1 OpenVMS Process Memory Organization .......................................................................... 68
A.1.1 Shared Memory and Caché ....................................................................................... 68
A.1.2 How OpenVMS Measures Process Memory ............................................................ 68
A.2 OpenVMS Page Organization ............................................................................................. 69
A.3 OpenVMS Physical Memory Allocation ............................................................................ 69
A.3.1 Default Memory Allocation ...................................................................................... 71
A.3.2 Process Control of Memory Allocation .................................................................... 71
A.3.3 Keeping Memory Free for New Processes ............................................................... 72
A.3.4 Allocation for Shared Sections ................................................................................. 72
A.4 How Caché Uses OpenVMS Memory ................................................................................ 73
A.4.1 Balancing Memory Locking and Paging .................................................................. 73
A.4.2 Using Process-Private Space to Reduce Paging ........................................................ 73
A.4.3 Using Resident Memory ........................................................................................... 73
A.5 Calculating OpenVMS Parameters ..................................................................................... 74
A.5.1 Determine Parameter Calculator Input Values .......................................................... 75
A.5.2 Record Current OpenVMS Parameter Values ........................................................... 76
A.5.3 Use the Caché OpenVMS Parameter Calculator ...................................................... 77
A.6 Analyzing the Calculation Results ...................................................................................... 78
A.6.1 Update Caché Parameters ......................................................................................... 78
A.6.2 Update OpenVMS System Parameters ..................................................................... 78
A.6.3 Update Resident Memory ......................................................................................... 79
A.6.4 Update OpenVMS Process Parameters ..................................................................... 81
Appendix B: Calculating System Parameters for UNIX and Linux ........................................... 83
B.1 Determine Memory and Disk Requirements ....................................................................... 84
B.1.1 Calculate Memory Requirements .............................................................................. 84
B.1.2 Calculate Swap Space ............................................................................................... 86
B.1.3 Calculate Disk Requirements .................................................................................... 88
B.1.4 Determine Number of Global Buffers ....................................................................... 88
B.1.5 Determine Number of Routine Buffers ..................................................................... 89
B.1.6 Determine Maximum Number of Users .................................................................... 89
B.1.7 Determine Maximum Database Size ......................................................................... 89
B.2 Configure UNIX Kernel Parameters ................................................................................... 89
Caché Installation Guide
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