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MQSeries.net Forum Index » IBM MQ Java / JMS » MQGETs to a clustered queue by MQ Clients

MQGETs to a clustered queue by MQ Clients

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Mark Rosen

Posted: Mon Mar 31, 2008 11:56 am Post subject: MQGETs to a clustered queue by MQ Clients

Newbie

Joined: 08 Mar 2008
Posts: 4

We are trying decide on appropriate configuration of our MQ
environment. This configuration will include MQ clients as well as a
cluster of MQ queue managers.

We want to have a clustered queue that has instances on 4 different
queue managers. We want 10 MQ clients to be able to do MQGETS to these clustered queues. Is an MQ client capable of participating in the
workload balancing capabilities of a cluster so that each client is
directed by the cluster to a particular instance of the clustered queue.

jefflowrey

Posted: Mon Mar 31, 2008 12:22 pm Post subject:

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

You can only issue MQGET against QLOCALs on the queue manager you are connected to.

MQ clustering doesn't affect client connections.

Network level clustering and client connection tables can.
_________________
I am *not* the model of the modern major general.

Mark Rosen

Posted: Wed Apr 02, 2008 12:27 pm Post subject:

Newbie

Joined: 08 Mar 2008
Posts: 4

I open this question to IBM and they concurred about the MQGETS required client connect to a specific queue manager.

However, they did say an MQ client application can MQPUT messages to a cluster queue that has multiple instances on clustered queue managers. They said the messages are load balanced across these qmgrs using workload balancing features.

I didn't think the mq client participates in clustering this way.

Do you concur with the response from IBM about MQPUTs?

jefflowrey

Posted: Wed Apr 02, 2008 12:42 pm Post subject:

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

Yes, that's what MQ Clusters do - workload balance PUTs.

NOT Gets, and NOT connections. Just *PUTS*.
_________________
I am *not* the model of the modern major general.

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