Tunable parameters

There are many operating system parameters that can affect performance.

The parameters are described in alphabetical order within each section.

Environment variables
There are two types of environmental variables: thread support tunable parameters and miscellaneous tunable parameters.
Kernel tunable parameters
The AIX® kernel tuning parameters are categorized into six groups: scheduler and memory load control tunables, VMM tunables, synchronous I/O tunables, asynchronous I/O tunables, disk and disk adapter tunables, and interprocess communication tunables.
Network tunable parameters
There are two groups of network tunable parameters: network options and NFS options.

Parent topic: Performance management