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| Big Clusters / Windows GUI / long refresh? |
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| PeterPotkay |
 Posted: Wed Nov 27, 2002 12:05 pm Post subject: Big Clusters / Windows GUI / long refresh? |
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Poobah
Joined: 15 May 2001
Posts: 7722
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If you had 12 queue managers in a cluster with maybe 2,000 total queues, would refreshing the MQExplorer take forever? What if Z/OS queue managers are part of the cluster? How does it handle that? Do they show up?
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Peter Potkay
Keep Calm and MQ On |
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| nimconsult |
| Posted: Wed Nov 27, 2002 11:30 pm Post subject: |
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Master
Joined: 22 May 2002
Posts: 268
Location: NIMCONSULT - Belgium
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Well it depends what you call "refreshing MQExplorer".
If you are talking about displaying the list of queues, I think that it simply depends on the number of queues known by the queue manager and not on the size of the cluster. When you display a queue manager part of a cluster, MQExplorer does not "explore the cluster". Of course the full repositories know the 2000 queues but the other queue managers probably know less queues.
I tried creating 2000 queues on my laptop. A refresh of the queues list takes about 5 seconds. I think it is still acceptable. In general you display the entire list once, then refresh the display for individual queues.
By the way for those who do not know the tip: in MQSeries Explorer, pressing F5 or hitting the refresh button refreshes the "active selection" only. If you refresh while focused on the "queues" folder, it refreshes the entire list of queues. If you refresh while focused on a specific queue, it refreshes only the specific queue. Hence a better response time. That's what you generally do when you follow an application running on a queue.
Regarding zOS, I think that zOS queue managers are not supported with MQ Series explorer. This is why it is recommended to create one non-zOS full repository. You will be able to explore the cluster, and individual non-zOS queue managers only.
May be this changed with 5.3? I do not know.
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Nicolas Maréchal
Senior Architect - Partner
NIMCONSULT Software Architecture Services (Belgium)
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| ramires |
| Posted: Thu Nov 28, 2002 8:12 am Post subject: Re: Big Clusters / Windows GUI / long refresh? |
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Knight
Joined: 24 Jun 2001
Posts: 523
Location: Portugal - Lisboa
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Peter,
from the System Administration Guide:
"The WebSphere MQ Explorer works best with small queue managers. If
you have a large number of objects on a single queue manager, you might
experience delays while the WebSphere MQ Explorer extracts the required
information to present in a view. As a rough guide, if your queue
managers have more than 200 queues or 100 channels, consider using a
third-party enterprise console product instead of the WebSphere MQ
Explorer."
I use it in a 6 qmgr cluster, and sometimes it becomes slow.
joao |
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