3.3 IBM Db2 Query Monitor for z/OS User's Guide IBM SC27-8803 Note: Before using this information and the product it supports, read the "Notices" topic at the end of this information. 2021-04-21 edition This edition applies to Version 3 Release 3 of DB2® Query Monitor (product number 5655-V42) and to all subsequent releases and modifications until otherwise indicated in new editions. © Copyright International Business Machines Corporation 1999, 2020. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. © Rocket Software Inc. 1999, 2020. Contents About this information.......................................................................................... ix Chapter 1. Overview.............................................................................................. 1 What's new in Db2 Query Monitor............................................................................................................... 1 New and changed functions...................................................................................................................1 Db2 12 function level support................................................................................................................3 Db2 12 function level support for Db2 Data Access Common Collector..............................................4 Features and benefits.................................................................................................................................. 5 Collect critical performance metrics......................................................................................................6 Use SQL workloads to tailor application monitoring............................................................................. 6 Summarize and monitor your data for exceptions and alerts............................................................... 6 Use OPTKEYS to tailor data summary levels......................................................................................... 7 Fine tune SQLCODE data collection....................................................................................................... 8 Use anomaly detection for exception and alert thresholds.................................................................. 8 Ensure High-Availability Fault-Tolerance...............................................................................................9 Monitor queries in a data sharing environment...................................................................................10 Components...............................................................................................................................................10 Db2 Data Access Common Collector................................................................................................... 11 Support Service Address Space...........................................................................................................11 Monitoring Agent.................................................................................................................................. 11 Query Monitor subsystem.................................................................................................................... 12 Integrated Storage Manager................................................................................................................ 13 Performance History Files....................................................................................................................14 ISPF Client............................................................................................................................................15 Consolidation and Analysis Engine...................................................................................................... 15 Terminology............................................................................................................................................... 16 Service updates and support information.................................................................................................18 Product documentation and updates........................................................................................................18 Accessibility features.................................................................................................................................19 Online help................................................................................................................................................. 19 Chapter 2. Installation and maintenance..............................................................21 Prerequisites.............................................................................................................................................. 21 Operating system and environment.....................................................................................................21 Other prerequisites.............................................................................................................................. 23 Compatibility, maintenance, and upgrading............................................................................................. 32 Compatibility........................................................................................................................................ 32 Maintenance - APARs and PTFs...........................................................................................................35 Upgrading............................................................................................................................................. 37 Reverting the Query Monitor Subsystem to a previous version.......................................................... 40 Removing PTFs..................................................................................................................................... 41 Removing CAE components.................................................................................................................41 Removing Backup CAE Servers............................................................................................................41 Preparing to customize Db2 Query Monitor..............................................................................................42 Tools Customizer special considerations and limitations................................................................... 43 Set up your environment prior to customization.................................................................................45 Preparing to customize collector and ISPF components....................................................................46 Reviewing and setting proper authorizations...................................................................................... 46 Configuring AT-TLS security................................................................................................................. 50 Preparing to customize CAE components........................................................................................... 56 iii Worksheets: Gathering required data set names................................................................................58 APF authorizing load libraries.............................................................................................................. 61 Worksheets: Gathering parameter values for Db2 Query Monitor..................................................... 62 Starting and preparing Tools Customizer for use......................................................................................83 Starting Tools Customizer.................................................................................................................... 83 Modifying Tools Customizer user settings........................................................................................... 84 Customizing Db2 Query Monitor................................................................................................................87 Roadmap: Customizing Db2 Query Monitor for the first time.............................................................88 Roadmap: Customizing a new version of Db2 Query Monitor from a previous customization.......... 89 Roadmap: Recustomizing Db2 Query Monitor.................................................................................... 90 Specifying the metadata library for the product to customize........................................................... 91 Discovering Db2 Query Monitor information automatically................................................................92 Creating and associating Db2 entries.................................................................................................. 94 Defining parameters.............................................................................................................................95 Generating customization jobs............................................................................................................ 99 Submitting customization jobs.......................................................................................................... 100 Browsing parameters.........................................................................................................................101 Copying Db2 entries...........................................................................................................................102