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IBM Data and AI Ideas Portal for Customers


This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Specific links you will want to bookmark for future use

Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

IBM Unified Ideas Portal (https://ideas.ibm.com) - Use this site to view all of your ideas, create new ideas for any IBM product, or search for ideas across all of IBM.

ideasibm@us.ibm.com - Use this email to suggest enhancements to the Ideas process or request help from IBM for submitting your Ideas.

IBM Data & AI Roadmaps (http://ibm.biz/Data-and-AI-Roadmaps) - Use this site to view roadmaps for Data & AI products.

IBM Employees should enter Ideas at https://hybridcloudunit-internal.ideas.aha.io/


Status Delivered
Workspace Db2 for z/OS
Created by Guest
Created on Apr 28, 2015

Performance Optimization for Java IMS

In a Java Cobol Mix Environment:
Reusing connections to databases and using Connection pools has become a quasi standard in all "application server" environments, especially when application servers use connections to databases to ensure transactional behaviour.
Assuming the connection pooling for accessing DB2 is active in IMS, there is the option "KEEPDYNAMIC Yes" in DB2 to keep allocated Database resources (such as cursors, statements and prepared statements) over transaction boundaries (reuse after commit).
As of today KEEPDYNAMIC yes does not work over transaction boundaries in IMS.
For performance and CPU usage reasons, an option to set KEEPDYNAMIC yes (assuming the connection pooling for accessing DB2 is active in IMS) is requested for the IMS TM application server when it uses DB2 on z/OS as the database.
  • Guest
    Jun 17, 2019

    Hi, Janet. This Idea has been delivered by DB2 for z/OS APARs PI61982 and PI61983 for V11, PI74192 and PI74193 for V12.

    Jim Pickel
    Senior Technical Staff Member
    Db2 for z/OS Development
    Security and Connectivity
    Silicon Valley Laboratory

    mobile: 408-497-6320
    email: pickel@us.ibm.com

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