IBM Data and AI Ideas Portal for Clients

Shape the future of IBM!

We invite you to shape the future of IBM, including product roadmaps, by submitting ideas that matter to you the most. Here's how it works:

Post your ideas

If you have not registered on this portal please register at . To complete registration you will need to open the email you will receive from Aha to confirm your identity.

Post ideas and requests to enhance a product or service. Take a look at ideas others have posted and upvote them if they matter to you,

  1. Post an idea

  2. Upvote ideas that matter most to you

  3. Get feedback from the IBM team to refine your idea

Help IBM prioritize your ideas and requests

The IBM team may need your help to refine the ideas so they may ask for more information or feedback. The offering manager team will then decide if they can begin working on your idea. If they can start during the next development cycle, they will put the idea on the priority list. Each team at IBM works on a different schedule, where some ideas can be implemented right away, others may be placed on a different schedule.

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Some ideas can be implemented at IBM, while others may not fit within the development plans for the product. In either case, the team will let you know as soon as possible. In some cases, we may be able to find alternatives for ideas which cannot be implemented in a reasonable time.

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IBM Employees:

The correct URL for entering your ideas is:

Shorten the time spent by "onstat -z" when zeroing internal structures

As was diagnosed in ticket TS002495910, in customer's system "onstat -z" processing is causing about 1 second "block" every 5 minutes for all threads, that needed to acquire the global mutex.  This causes problems in customer's system (one of the largest polish banks), which performs servicing card transactions (Visa, Mastercards, POS, etc.), as multiple sessions are blocked. Moreover, when checkpoint request is triggered at the time of such block, then all sessions modifying data are impacted - this is due to the fact, that the global mutex wait occurs within critical section, and that causes long wait time for threads going out of critical sections, while other sessions are prohibited from entering critical sections.


The problem impacts all customer's of the bank and also all institutions Poland wide, which perform card payment transaction validation in this bank's system (an example of such institution is Poland wide petrol station operator). For example the 1 second "block" causes Visa or Mastercard transactions to be rejected at the time of block.


Currently there is no workaround for this behaviour - to eliminate the problem "onstat -z" was disabled for the time being.

  • Guest
  • Sep 26 2019
  • Future consideration
Who would benefit from this IDEA? All people using bank's card payments, as well all people Poland wide paying in institutions, which are being serviced by the bank.
Priority Justification Due to the impact of the problem (all people using bank's card payments, all people Poland wide paying in institutions, which are being serviced by the bank) the solution would be needed quickly.
Client Name Santander Bank
Idea Priority Urgent

IBM's success depends on gathering feedback from customers like yourself. Aha Ideas Portal is the third party tool through which IBM Offering Managers gather feedback from customers such as yourself.
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