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Status Not under consideration
Workspace CICS Performance Analyzer for z/OS
Categories Explorer
Created by Guest
Created on Oct 31, 2014

RELATED IDEAS

CICS PA and ODM Metrics within CICS

Within CICS Performance Analyzer is the capability to view the components that make up the response time of a transaction. As an example, I can determine how much time was spent in DB2, in MQ and other subsystems that CICS uses to complete a unit of work within a transaction. This same requirement exists for Operational Decision Management artifacts that are being consumed within a CICS Transaction. In order to make CICS more relevant, and in following IBM's direction we are looking to replace COBOL rules with a Decision Management Tool, ODM. We need the ability to determine how this is impacting the resposne time within a transaction, and the amount of time that ODM is taking to return control to CICS.

Idea priority High
  • Guest
    Reply
    |     Oct 5, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Enterprise Tooling
    Product - CICS Performance Analyzer

    For recording keeping, the previous attributes were:
    Brand - WebSphere
    Product family - Enterprise Tooling
    Product - CICS Performance Analyzer

  • Guest
    Reply
    |     Nov 5, 2014

    ODM writes execution data to SMF 120 Subtype 100 records. Looking at the fields written by ODM in this record, they are all related to execution
    data. The execution data contains details such as the number of decisions that are executed at run time. Each record contains the count of the
    rulesets that are executed in an interval by an execution unit (XU). Subsystems such as DB2, MQ and CICS TG write metrics in their SMF records
    that enable reporting of CPU, Response time etc attributed to processing within those address spaces. ODM does not provide such metrics to enable
    co-relation of a CICS UOW work with an ODM XU. Your Request for Enhancement (RFE) needs to be directed to ODM to provide the granular metrics that
    would be required before any such reporting can be done at the CICS transaction level.

    From the little I know about ODM, it seems you can invoke ODM rules from a CICS Java program. Unless ODM provides metrics for each rule or ruleset
    that is executed then how would CICS associate a TASK under which the Java program executed with the ODM rules or rulesets. As I mentioned above,
    currently ODM seems to record the count of the rulesets that are executed in each interval by an XU.

    In summary, the current data in the ODM SMF record would not allow us to correlate them with the CMF records, and also CICS PA is unlikely to report
    on ODM records independently. On that basis, we have to reject this RFE.

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