VMS
®
Tuning - Rules of Thumb
Table of Contents
Chapter 1
SQUEEZING THE MOST FROM YOUR VAX
1.1
WHAT IS TUNING? WHY DO IT?
Chapter 2
SHOW MEMORY AND YOUR SYSTEM'S HEALTH
2.1
SHOW MEMORY
2.2
UNDERSTANDING VMS'S WORRIES
2.3
PROCESS ENTRY SLOTS AND BALANCE SET SLOTS.
2.4
REQUEST PACKET LISTS.
2.5
PAGED AND NON-PAGED DYNAMIC MEMORY
2.6
PAGE FILES
2.7
FREE AND MODIFIED PAGE LISTS
2.7.1
MPW_HILIMIT
2.7.2
MPW_LOWAITLIMIT
2.7.3
MPW_THRESH
Chapter 3
SYSGEN PARAMETERS THAT HELP RESPONSE TIME
3.1
QUANTUM
3.2
WORKING SET ADJUSTMENT
3.3
AUTOMATIC WORKING SET SIZE ADJUSTMENT
Chapter 4
MANUAL VERSUS DYNAMIC TUNING
4.1
MANUAL TUNING
4.1.1
MANUAL TUNING PROBLEMS
4.2
DYNAMIC TUNING
4.2.1
DYNAMIC TUNING ADVANTAGES
Appendix A
AN EXAMPLE OF CHANGING SYSGEN PARAMETERS
A.1
CHANGING SYSGEN PARAMETERS
A.2
CHANGING PAGE AND SWAP FILE SIZE
Index
Examples
Example A-1
Changing Sysgen Parameters
Example A-2
Changing PAGE and SWAP File Size
Tables
Table 2-1
Request Packet List---Free Levels
Table 2-2
Dynamic Memory---Free Levels
Table 3-1
Working Set List Adjustment Parameters
Table 3-2
Recommended AWS Parameter Values