Performance management
This topic provides application programmers, customer engineers, system engineers, system administrators, experienced end users, and system programmers with complete information about how to perform such tasks as assessing and tuning the performance of processors, file systems, memory, disk I/O, NFS, Java, and communications I/O. The topic collection also address efficient system and application design, including their implementation. This topic is also available on the documentation CD that is shipped with the operating system.
Note: The metrics reported by any statistics tool
such as lparstat, vmstat, iostat,
and mpstat, including the applications based on
Perfstat application program interface (API) or system performance
measurement interface (SPMI) API varies to a certain extent when run
in parallel with the same sampling interval at any given instance
of time.