Effect of configuration on memory utilization

The combination of operating-system and Informix® configuration parameters can affect memory utilization.

You can change the settings of the Informix configuration parameters that directly affect memory utilization, and you can adjust the settings for different types of workloads.

Consider the amount of physical memory that is available on your host when you allocate shared memory for the database server by setting operating-system configuration parameters. In general, if you increase space for database server shared memory, you can enhance the performance of your database server. You must balance the amount of shared memory that is dedicated to the database server against the memory requirements for VPs and other processes.

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