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CICS Interdependency Analyzer for z/OS, 6.3
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  2. Welcome
  3. CICS® IA space considerations
  • Preface

    This information describes the IBM® CICS® Interdependency Analyzer for z/OS®. It explains what the program does and how to set up and run its various components.

  • What's new in CICS® IA Version 6.3

    CICS® IA Version 6.3 maintains broad functionality and provides full support for the new CICS Transaction Server 6.3. Building on previous releases, it includes updates for commands whose threadsafe status has been enhanced in CICS Transaction Server 6.3, enabling more applications to run without switching to QR TCB mode

  • Overview of the CICS® Interdependency Analyzer

    This section gives an overview of the CICS® Interdependency Analyzer (CICS IA), and describes its components.

  • Getting Started with the CICS® IA plug-in for CICS Explorer®

    The CICS® Interdependency Analyzer plug-in for CICS Explorer® provides an Eclipse-based interface to analyze your CICS IA data. It also provides cheat sheets that guide you through the steps required to configure and install CICS IA. It is recommended that you download the CICS IA plug-in and follow the steps in the cheat sheets.

  • Configuring CICS® IA

    This section describes what you need to do before you can use CICS® IA.

  • Running the Collector

    You run the CICS® IA Collector to look for instances of program commands that might cause resource dependencies or transaction affinities.

  • Updating the Dependency and Affinity database objects

    The Dependency database objects contain accumulated data about your applications and the resources that they use. Update the database objects regularly to add new information recorded by the Collector in the VSAM dependency files.

  • Managing your CICS® IA data

    With each new release CICS® IA captures more data. In volatile development environments this data can soon become out of date. If you have out of date data, the CICS IA plug-in might retrieve more data than you need. The presence of unwanted data might impede your analysis and provide confusing results.

  • The CICS® IA UDB database

    CICS® IA provides jobs to unload CICS IA data into CSV files. These files can be used to populate the IBM® supported UDB databases.

  • Running the Reporter
  • Running the Program Threadsafe report

    The threadsafe report can be run from the CICS IA Explorer plug-in or as a batch job using the sample CIUJTSQ2 that can be found in SCIUSAMP.CICS. The report runs the Db2® stored procedure CIUSPTSR.

  • Running the Load Module Scanner

    The Load Module Scanner scans load modules for instances of program commands that could cause resource dependencies or transaction affinities.

  • Running the CSECT Scanner

    The CICS® IA CSECT Scanner scans load modules for information that can be used to identify the version of each CSECT.

  • Running the Builder

    The CICS® IA Builder runs as a batch job to build affinity-transaction-group definitions suitable for input to the CICS system management product, CICSPlex SM.

  • Running the sample Db2® query

    This section describes how to run the sample CICS® IA batch query job CIUJSAMP.

  • Solving problems

    This section helps you to isolate and determine the cause of CICS® IA problems.

  • Details of dependencies and affinities collected
  • Correlating Load Module Scanner and Dependency Reporter output to source
  • The structure of the CICS® IA database
  • Messages and codes

    This section describes the messages that the Collector, Query interface, Dependency Reporter, Affinities Reporter, Load Module Scanner, CSECT Scanner, and Builder can issue, and the transaction abend codes that the Collector can produce.

  • CICS® IA space considerations
    • Required data

      To calculate the space allocation requirements, estimate some values for the environment in which you want to run CICS® IA.

    • Data space allocation

      The data space consists of a number of tables, both permanent and temporary. The number and size of the tables varies depending on whether you are collecting Interdependency data or Affinities data.

    • VSAM data set allocation

      There are ten VSAM files associated with CICS® IA.

    • Db2® space allocation

      Calculate the Db2® space allocations using these assumptions and guidance.

  • CICS® IA security
  • CICS® IA External Interfaces

    The Appendix describes available Stored Procedures and Command Flow user exit.

  • Collecting dynamic COBOL calls

    CICS® IA detects dynamic COBOL calls, which are collected by the Dependency and Command Flow Data collectors.

  • Accessibility

    Accessibility features help a user who has a physical disability, such as restricted mobility or limited vision, to use software products successfully

  • Download PDF

    Download the PDF format documentation for CICS Interdependency Analyzer for z/OS 6.3

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CICS® IA space considerations

This appendix contains information on how to calculate the space requirements for the following:
  • Data space allocation
  • VSAM data set allocation
  • Db2 space allocation
  • Required data
    To calculate the space allocation requirements, estimate some values for the environment in which you want to run CICS® IA.
  • Data space allocation
    The data space consists of a number of tables, both permanent and temporary. The number and size of the tables varies depending on whether you are collecting Interdependency data or Affinities data.
  • VSAM data set allocation
    There are ten VSAM files associated with CICS® IA.
  • Db2 space allocation
    Calculate the Db2® space allocations using these assumptions and guidance.
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