What is the overhead associated with a Subsystem Analyzer extent and volume collection?
Article ID: 188924
Bind Analyzer for DB2 for z/OSSQL-Ease for DB2 for z/OSSYSVIEW Performance Management Option for DB2 for z/OSPlan Analyzer for DB2 for z/OSSubsystem Analyzer for DB2 for z/OSDatabase Management for DB2 for z/OS - Performance SuiteDatabase Management for DB2 for z/OS - SQL Performance SuiteInsight Performance Monitor for DB2 UDB for z/OS
This document gives a rough estimate of the overhead associated with a Subsystem Analyzer extent and volume collection.
Release : 19.0
Component : CA Subsystem Analyzer for Db2 for z/OS
These are rough estimates as exact measurements are difficult to obtain, because of the variability of the state of the overall system when tests are run.
Here, there's around a 5% PSA overhead reduction with the Volume and Extent collection off - meaning, for example, 10% with Volume and Extent collection off, and 10.5% with Volume and Extent collection on.