Caché Installation Guide - InterSystems Documentation

A.1.2 How OpenVMS Measures Process Memory ............................................... 53
A.2 OpenVMS Page Organization ............................................................................... 53
A.3 OpenVMS Physical Memory Allocation .............................................................. 54
A.3.1 Default Memory Allocation ......................................................................... 55
A.3.2 Process Control of Memory Allocation ....................................................... 56
A.3.3 Keeping Memory Free for New Processes .................................................. 56
A.3.4 Allocation for Shared Sections .................................................................... 57
A.4 How Caché Uses OpenVMS Memory .................................................................. 57
A.4.1 Balance Memory Locking and Paging ........................................................ 57
A.4.2 Use Process-Private Space to Reduce Paging .............................................. 58
A.5 Calculating OpenVMS Parameters ....................................................................... 58
A.5.1 Determine Parameter Calculator Input Values ............................................. 58
A.5.2 Record Current OpenVMS Parameter Values ............................................. 60
A.5.3 Use the Caché OpenVMS Parameter Calculator ......................................... 61
A.6 Analyze the Calculation Results ........................................................................... 62
A.6.1 Update Caché Parameters ............................................................................ 62
A.6.2 Update OpenVMS System Parameters ........................................................ 63
A.6.3 Update Special OpenVMS Parameters ........................................................ 63
A.6.4 Update OpenVMS Process Parameters ....................................................... 64
A.6.5 Resident Memory Section ........................................................................... 65
Appendix B: Calculating System Parameters for UNIX and Linux ............................ 69
B.1 Determine Memory and Disk Requirements ......................................................... 70
B.1.1 Calculate Memory Requirements ................................................................ 70
B.1.2 Calculate Swap Space .................................................................................. 71
B.1.3 Calculate Disk Requirements ...................................................................... 72
B.1.4 Determine the Number of Global Buffers ................................................... 73
B.1.5 Determine the Number of Routine Buffers .................................................. 74
B.1.6 Determine the Maximum Number of Users ................................................ 74
B.1.7 Determine the Maximum Database Size ..................................................... 74
B.2 Configure UNIX Kernel Parameters ..................................................................... 74
B.2.1 Set Values for Tunable UNIX Parameters .................................................... 74
B.2.2 Platform Configuration Issues ..................................................................... 76
Appendix C: Preparing for Caché Advanced Security ................................................. 87
C.1 Preparing the Security Environment ..................................................................... 88
C.1.1 Create Service Accounts for Windows Caché Servers with a Windows Domain
Controller ............................................................................................................... 89
Caché Installation Guide
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