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MQSeries.net Forum Index » General IBM MQ Support » Clustering for workload distribution

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Deeko
PostPosted: Wed Apr 03, 2002 1:22 am    Post subject: Reply with quote

Acolyte

Joined: 16 May 2001
Posts: 72
Location: Edinburgh, UK
Anyone using the above? If so can you maybe answer a few questions (I'm primarily interested in MQ5.2) ?

Are there any gotchas?
Did you modify the default workload exit?
Are you happy with what you implemented?

Thanks in advance,

Derek.
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khoban
PostPosted: Wed Apr 03, 2002 3:46 am    Post subject: Reply with quote

Novice

Joined: 25 Mar 2002
Posts: 10
Did some work using it for another company in Edinburgh.

It is a reasonable solution but you should consider whether it is absolutely necessary. You will need to consider the overall environment to determine the benefits, i.e. if you have loads of QM->QM comms and have to setup channels and transmission queues for those, then clustering will ease this as well as providing workload balancing.

The customer I did work for also performed some rigorous testing to ensure that the behaviour of clustering was as defined and expected. These tests completed successfully (after one or two PMRs ) and showed that the workload balancing was working and that messages were still passed through the infrastructure if queue managers or queues were disabled.

It would be worth validating the environment in this manner in order to ensure that you will get the benefits and behaviour you anticipate.

Don't forget to consider clustering at the hardware level as well, as the use of MQ with both software and hardware clustering does require some extra configuration considerations.

Hope this helps. If you want some more information, mail me.

Cheers,

Kieran
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