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MQSeries.net Forum Index » IBM MQ Java / JMS » Using GROUPID

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Mark Rosen
PostPosted: Mon Mar 31, 2008 11:49 am    Post subject: Using GROUPID Reply with quote

Newbie

Joined: 08 Mar 2008
Posts: 4

We have a Windows MQ client application running on 5 Windows systems. We want these clients to get (MQGET) messages from one queue, call it Q1, on a server with MQ Queue Manager.

The messages they will be retrieving have been put on Q1 in groups,
using GROUPID, (using MQPMO_LOGICAL_ORDER put message option).

We have been told that concurrent MQGET requests for message GROUPS from the same queue will be serialized. If one client is getting a GROUP
another one can't begin the MQGET of another group until the client
getting the current group is completed

Is this true? I hope not. We would like to have multiple clients getting
groups of messages off the same queue concurrently.
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jefflowrey
PostPosted: Mon Mar 31, 2008 11:59 am    Post subject: Reply with quote

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Joined: 16 Oct 2002
Posts: 19981

No, that's not true.
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I am *not* the model of the modern major general.
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