Configuring and monitoring Informix

Database configuration parameters
The Informix database server uses a configuration file, which is called the onconfig file, during initialization. This file contains default configuration parameter values. You can modify the parameter values to improve performance and other characteristics of the instance or database.
The sysmaster database
These topics describe the sysmaster database and provide reference information for the system-monitoring interface (SMI).
The sysadmin Database
The sysadmin database contains the tables that contain and organize the Scheduler tasks and sensors, store data collected by sensors, and record the results of Scheduler jobs and SQL administration API functions.
Disk Structures and Storage
Interpreting Logical-Log Records

Parent topic: Administrator's Reference