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MQSeries.net Forum Index » Clustering » Cluster Advantages and Disadvantages

Cluster Advantages and Disadvantages

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solomon_13000

Posted: Fri Jul 18, 2008 7:10 am Post subject: Cluster Advantages and Disadvantages

Master

Joined: 13 Jun 2008
Posts: 284

Advantages:

1. You can add a new QM on the cluster without having to disrupt the network.
2. Load balancing. Messages can pass through a Point of Presence which does round robin and routes the messages to any full repository.

Disadvantages:

1. Need to define many channels. This is resource consuming.
2. If the full repository is down, can't locate the queue.

Are there any other advantages and disadvantages?.

fjb_saper

Posted: Fri Jul 18, 2008 7:18 am Post subject:

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY

Read

the clustering manual

The whole point in using a cluster is to avoid defining a gazillion of channels.
And autodefined channel did not require manual definition!
You define the cluster receiver once on all the cluster members.
Cluster senders are then autodefined using your cluster receiver as a template.

Enjoy

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MQ & Broker admin

bbburson

Posted: Fri Jul 18, 2008 11:34 am Post subject: Re: Cluster Advantages and Disadvantages

Partisan

Joined: 06 Jan 2004
Posts: 378
Location: Nowhere near a queue manager

solomon_13000 wrote:

2. Load balancing. Messages can pass through a Point of Presence which does round robin and routes the messages to any full repository.

Incorrect; the destination queue can be on any queue manager in the cluster whether that queue manager is a full repository or not.

sami.stormrage

Posted: Sat Jul 19, 2008 2:51 am Post subject: FR

Disciple

Joined: 25 Jun 2008
Posts: 186
Location: Bangalore/Singapore

Quote:

2. If the full repository is down, can't locate the queue.

Wrong again.. The partial repository needs to talk to the FR only once in a while to know about a Q.
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