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Status Not under consideration
Workspace IBM i
Categories Core OS
Created by Guest
Created on Apr 20, 2021

add repeat every x minutes to OS400/IBMi integrated scheduler

Please add "repeat every x minutes" / "repeat every x seconds" to the native OS scheduler.

Every OS, even free, has this basic capability.

I know that there is an "advanced scheduler" product, but my opinion the Operating System should have such basic option.


Use Case:

I see many programmers work around this, introducing "yet another" CL program, doing DELAY 60 loops, just to have a basic repetition pattern.

my opinion is that this functionality should be provided by the base OS.


Idea priority High
  • Guest
    Aug 30, 2022

    the Advanced Job Scheduler is now a no cost optional software

  • Guest
    Nov 17, 2021

    Thanks for the feedback.
    I'm sincerely not totally convinced by the dev concerns.
    Licensed Product "Advanced Job Scheduler" provides this capability without too much talk.
    The system scheduler can spawn another job dedicated to handle this "high frequency" jobs, with proper safeguards and resource limits, in case.

  • Guest
    Oct 27, 2021

    Thank you for submitting this request. I think your idea has value, and understand your desire to add this function to the base operating system.
    I do have some concerns about adding this to the basic job scheduler, however.

    The job scheduler runs in a system job, and I am afraid that it could be more difficult to track down and stop a "runaway" job that is submitting other jobs, when that job is the job scheduler. In my opinion, it is much better to have a user job submit the jobs when submitting at such a high frequency, since a user job can be more easily stopped - you can hold the job, you can end the job, and the job won't be restarted after an IPL, or when coming out of restricted state, like the job scheduler would.
    Even if the jobs are not being submitted at a super high rate, they still may have an impact on system limits (such as QMAXJOBS) and a scheduled entry that is inadvertently left active could go undetected for quite some time, since it is normal to see a high number of submitted job (ie. JBSBMJOBS in QAPMJOBOS) for a long running job such as QJOBSCD.

    For these reasons, I am declining at this time.

  • Guest
    Sep 21, 2021

    I know that there is an "Advanced Job Scheduler", I even wrote that in the RFE already.
    Please add value if you comment.

    If it wasn't obvious, the point of the RFE is to bring such basic capability in the base OS (AJS can be used for more sophisticated things, like steps, multi workflows etc.).

    I don't think a "repeat every" function should be in the only scope of an "advanced" scheduler (!!!).

    I also know that there is a cron in PASE. And it - obviously - has a repeat-every function. And you can obviously call an ILE program via cron. But cron is best suited for PASE programs in my opinion from a design standpoint.

    The point is not to scatter information around for "native" PGM schedules (i.e. WRKJOBSCDE should be able to see all such basic schedules).

  • Guest
    Aug 2, 2021

    We have received your request and will evaluate it further.

  • Guest
    Jul 12, 2021

    The CEAC has reviewed this requirement and recommends that IBM view this as a MEDIUM priority requirement that should be addressed.
    Whilst we can see the benefit of the RFE, the functionality requested is available today in the Advanced Job Scheduler.

    Background: The COMMON Europe Advisory Council (CEAC) members have a broad range of experience in working with small and medium-sized IBM i customers. CEAC has a crucial role in working with IBM i development to help assess the value and impact of individual RFEs on the broader IBM i community and has therefore reviewed your RFE.

    To find out how CEAC help to shape the future of IBM i, see CEAC @ ibm.biz/BdYSYj and the article "The Five Hottest IBM i RFEs Of The Quarter" at ibm.biz/BdYSZT

    Therese Eaton – CEAC Program Manager, IBM

  • Guest
    Jun 15, 2021

    The CAAC has reviewed this requirement and recommends that IBM not implement this request. The Advanced Job Scheduler is not that expensive, so it's an acceptable work-around and gives you a lot of additional flexibility.

    Background: The COMMON Americas Advisory Council (CAAC) members have a broad range of experience in working with small and medium-sized IBM i customers. CAAC has a key role in working with IBM i development to help assess the value and impact of individual RFEs on the broader IBM i community, and has therefore reviewed your RFE.

    For more information about CAAC, see www.common.org/caac

    Nancy Uthke-Schmucki - CAAC Program Manager