Re: Replacing a DTAQ with a USRQ

[Jon Paris <jon.paris@xxxxxxxxxxxxxx>]

I'd certainly like to see that code Alan.


Jon Paris

> On Jan 14, 2022, at 1:21 PM, Alan Campin <alan0307d@xxxxxxxxx> wrote:
>
> I have a service program that wraps functions for the user queue object
> written in RPG.
>
> Actually writing to User Queues is a lot simpler in RPG than in C. They are
> tough in C although there are a lot of examples out there using them in C.
>
> Let me know if you are interested.
>
> On Fri, Jan 14, 2022 at 10:06 AM Rich Loeber <rich@xxxxxxxxx> wrote:
>
> > According to IBM documentation, a USRQ will have better performance than a
> > DTAQ.  I have an application that is experiencing performance issues on
> > some customer systems and we now think that this is tied to a lot of data
> > going through a data queue.  Unfortunately, IBM documentation on how to
> > work with user queues is nearly nonexistent.  The only think I can find is
> > an example written in C which is of little use to us.  I see where you have
> > to use MI to read and write to a user queue and that doesn't scare us all
> > that much, but it would be good to know that diving into this project was
> > going to produce tangible results.
> >
> > Does anyone have any experience with user queues and have you done it in a
> > language other than C?  We need to be able to write to one and, in a
> > separate process, read from it all in FIFO sequence.
> >
> > Rich Loeber
> > Kisco Systems
> > http://www.kisco.com
> >
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