IBM Informix Dynamic Server Performance Guide
Introduction
Performance Basics
Performance Monitoring and the Tools You Use
In This Chapter
Evaluating the Current Configuration
Creating a Performance History
Monitoring Database Server Resources
Monitoring Transactions
Monitoring Sessions and Queries
Effect of Configuration on CPU Utilization
Effect of Configuration on Memory Utilization
Effect of Configuration on I/O Activity
Table Performance Considerations
Index Performance Considerations
Locking
Fragmentation Guidelines
Queries and the Query Optimizer
Optimizer Directives
Parallel Database Query
Improving Individual Query Performance
The onperf Utility on UNIX
Appendix A. Case Studies and Examples
Appendix B. Accessibility
Notices
Index
Introduction
