You don't have to lose the audit trail, you can log anything you wan in both the sending and receiving applications. If you use service programs, you can wrap the put and get calls in a sub-procedure to do the logging for you, and call that from your programs.
Mark Murphy
Atlas Data Systems
mmurphy@xxxxxxxxxxxxxxx
-----"Slanina, John" <jslanina@xxxxxxxxxx> wrote: -----
To: "'Midrange Systems Technical Discussion'" <midrange-l@xxxxxxxxxxxx>
From: "Slanina, John" <jslanina@xxxxxxxxxx>
Date: 12/23/2016 11:28AM
Subject: RE: Are data queues reliable?
I have looked into Message Queueing but the cost for IBM MQ was just too. When there was other ways to do it for free.
I find with data queues you lose the auditing trail of the data between systems.
John Slanina
Pencor Service
jslanina@xxxxxxxxxx
-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Slanina, John
Sent: Friday, December 23, 2016 10:46 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: Are data queues reliable?
Richard,
I have an Interactive voice response system that call out to subscribers. I loads thousands of call in a queue and 16+ programs will start to read the file.
It uses record level locking to control which job has what record.
John Slanina
Pencor Service
jslanina@xxxxxxxxxx
-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Richard Schoen
Sent: Friday, December 23, 2016 10:30 AM
To: midrange-l@xxxxxxxxxxxx
Subject: RE: Are data queues reliable?
John,
Do you do queueing apps where multiple client programs may need to read queued data ?
If you do, out of curiosity what mechanism are you using to make sure two clients don't read the same record from the queue at the same time ?
That's what data queues and message queueing apps like MQ, Microsft Message Queueing, RabbitMQ and others do for you typically and they can also be DB backed.
Just curious for the sake of queueing discussion.
Regards,
Richard Schoen
Director of Document Management
e. richard.schoen@xxxxxxxxxxxxxxx
p. 952.486.6802
w. helpsystems.com
------------------------------
message: 5
date: Fri, 23 Dec 2016 13:54:49 +0000
from: "Slanina, John" <jslanina@xxxxxxxxxx>
subject: RE: Are data queues reliable?
I never found a good reason to use data queue. It just add a level of complexity for debugging. In the end I always using a physical file.
John Slanina
Pencor Service
jslanina@xxxxxxxxxx
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