Re: Are data queues reliable?

In one application where we used data queues we also wrote a database file.
The purpose was to get visibility of the queue depth, number of
transactions per hour and a easily viewable audit of the transactions sent
to the queue. It was all handled by a called program, (S38 did not have
service programs) and that program wrote to the data queue and database
file.

Have used data queues numerous times since with no problems.

Have a few applications where we have an IN queue and an OUT queue where a
completion response is required and this uses keyed data queues.

Sent from my iPhone

On 23 Dec. 2016, at 15:18, Roger Harman <roger.harman@xxxxxxxxxxx> wrote:

Maybe even better than sliced bread. In the way back years of the S/38,

we used message queues but when data queues came out... WOW - a fantastic
solution to the appropriate problem.

If you have DBU, you can use DBUQUE to view them. Pretty sure you can

edit too but I am not at a system now to verify it.

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of

Glenn Gundermann

Sent: Thursday, December 22, 2016 7:37 PM
To: Midrange Systems Technical Discussion
Subject: Re: Are data queues reliable?

I think data queues are the greatest thing since sliced bread. Like

anything else, the best solution for you depends on the requirements.

Yours truly,
Glenn Gundermannglenn.gundermann@xxxxxxxxx Cell: (416) 317-3144Work:

(905) 486-1162 ext. 239

-------- Original message --------From: Dan <dan27649@xxxxxxxxx> Date:

2016-12-22 10:04 PM (GMT-05:00) To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxx> Subject: Are data queues reliable?

I have a project I'm designing that uses data queues. A colleague
remembered from a former job that they seemed to have problems using data
queues, but couldn't remember specifics. Apparently, they were deemed
unreliable there and so they redesigned their processes to avoid using
them. She is following up with a former colleague to refresh her memory,
but it may be awhile since we're in the holiday season.

I personally haven't done a lot of work using data queues, but what I

have

done has proven to be absolutely reliable. I am certain that if there

were

any issues with data queues, given their importance in many applications,
a) we would know about them, and b) IBM would have fixed them pronto a

LONG

time ago.

Still, just doing my due diligence with this.

- Dan
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