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MQSeries.net Forum Index » General IBM MQ Support » Trigger Type = First ... Question?

Trigger Type = First ... Question?

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Joharik

Posted: Mon Apr 15, 2002 7:26 pm Post subject:

Novice

Joined: 13 Feb 2002
Posts: 10
Location: Kuala Lumpur Malaysia

Hi,

We have 3 messages in the queue and when the trigger suppose to start, the application system is down for 10 mins. The 3 messages are still stuck in the queue. How this triggering started again? Assuming that no more incoming messages are expected to be in the queue. We're running on OS390 V2.1.

TIA.

PeterPotkay

Posted: Tue Apr 16, 2002 8:36 am Post subject:

Poobah

Joined: 15 May 2001
Posts: 7722

If no more message are going to arrive? Your sunk. You could manually start triggering yourself by turning triggering off and then back on for this queue.
If another message would arrive, you could take advantage of the Trigger Interval parameter on the QM. If you set it to 300000 (5 minutes), once 5 minutes goes by and another message lands, the trigger will fire (even if the queue depth is not going 0 to 1 but 3 to 4)

Whenever the init queue is reopened, the QM evaluates if there are any queues out there where triggering should have occured. It does this regardless if another message lands on the queue or not. So if you wanna do something funky, have your trigger monitor stop and start on a schedule. It will automatically trigger without the arrival of another message.

_________________
Peter Potkay
Keep Calm and MQ On

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