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MQSeries.net Forum Index » General IBM MQ Support » 1 QueueManager, N queues - MQCOMIT/MQBACK

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Rabbit
PostPosted: Fri Feb 20, 2004 1:56 am    Post subject: 1 QueueManager, N queues - MQCOMIT/MQBACK Reply with quote

Newbie

Joined: 09 Feb 2004
Posts: 8

We have a VB.NET app (MQCLIENT 5.3) that uses one Queue Manager and 5 queues. It is a multithreaded application i.e. will read multiple messages at once. to improve performance.

Every message is a single unit of work and should be commited or backedout once MQGETed or MQPUTed.

The question is, since the MQCOMIT and MQBACK are on the QueueManager (handle), does this mean that ALL 5 queues are commited/backedout?

What we want is to be able to isolate each queue so transaction management can be done separately.

The only alternative I can see is to open multiple QueueManager connection handles which should force distinct transaction handling.

Am I barking up the wrong tree here?

Cheers,

ChrisO.
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JasonE
PostPosted: Fri Feb 20, 2004 5:01 am    Post subject: Reply with quote

Grand Master

Joined: 03 Nov 2003
Posts: 1220
Location: Hursley

Units of work are on a per-hconn basis, so give each thread its own hconn and they can do their own units of work independently.
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