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Status Not under consideration
Workspace IMS System Services
Categories General System
Created by Guest
Created on Jun 3, 2021

RELATED IDEAS

Allow user to provide output area for DFSGVRM call

The DFSGVRM macro gives us a way to get the real IMS level. We are having issues with the FUNC=REL (addressability; our code and way it's written) using MVS STORAGE macro and having inline DC statements.

DFSGVRM FUNC=CALL requires caller to allocate working storage for the PARM list to be passed. However, the output area (DFSGVRMO) storage is obtained by DFSGVRM code. This requires FUNC=REL call after this.

Since we are required to provide storage for the PARM list: GVRM_PARMS DS CL(GVRMP_LN), we would like to know if we can also provide storage for the OUTPUT area – already in the DFSGVRMO MAC:
GVRMO_LN EQU *-DFSGVRMO Length, dw boundary

This would eliminate the allocation (saves CPU) as well as the RELEASE (saves CPU) allowing us to use the MAC with minimal code changes ? Possibly a new keyword, USERAREA (instead of AREA=). This would be a huge benefit in that calling would be much more streamlined and resolve a host of addressability options.

To get the FUNC=CALL to work in our code, we had to use IEABRCX DEFINE, ENABLE and DISABLE to generate relative branch instructions. We can't get FUNC=REL to assemble.

Note, we have code that obtains the installable IMS level millions of times/day at one of our customer sites. Having to make multiple calls to get data and then release storage adversely affects performance.

Alternatives would be:
1) expand DFSVC000 to include installable IMS level (currently only includes

Idea priority Urgent
  • Guest
    Reply
    |     Jul 8, 2021

    Hi,

    Thank you for your interest in keeping IMS a vital and successful product. Software development has continuously evolved during IMS's lifetime, and so has IMS itself. We have kept pace with, adopted, and implemented many industry standard best practices within our organization, including Continuous Delivery, Design Thinking, and Agile.

    When choosing new features to add from the list of requirements in our backlog, we assess which will bring the most value to as many clients as possible and prioritize those.

    At this time, after reviewing this request for enhancement and assessing its potential value, we have decided to reject it. The reason we are rejecting this item is we have not had many clients ask for this enhancement. There doesn’t seem to be much interest from other clients. We would rather invest in high priority items that bring the most value to many clients.

    We appreciate your input to IMS, and we hope that you will continue to submit ideas for improvements as customer feedback is a key component to shaping the future direction of IMS.

    Thank you.

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