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| Limitations of clustering |
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| AllanJenkins |
 Posted: Thu Jun 06, 2002 3:05 am Post subject: Limitations of clustering |
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Newbie
Joined: 06 Jun 2002
Posts: 2
Location: London
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Does anyone know of, or has anyone encountered, any limitations wrt the number of clusters an MQ Server can be a Repository for? e.g. Is there a limit on the length of a namelist?
What would the limiting factors be? Presumably hardware platform is going to influence - planning a deployment on Sun quad processor ULTRA IIs with a gig or two of memory.
Aim is to support in excess of 100 clusters on two central repository machines. Is this feasible?
Any thoughts gratefully received...  |
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| TorpedoSTu |
| Posted: Fri Jun 07, 2002 2:16 am Post subject: |
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Acolyte
Joined: 14 Nov 2001
Posts: 73
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Allan,
Here's an exceprt from the MQSC Command Reference Manual ....
NAMES(name, ...)
List of names.
The names can be of any type, but must conform to the rules for naming MQSeries objects, with a maximum length of 48 characters.
An empty list is valid: specify NAMES(). The maximum number of names in the list is 256.
Therefore your aim is technically feasible, though the jury's out on whether your design is reasonable !.
Regs
Stu |
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| AllanJenkins |
| Posted: Mon Jun 10, 2002 12:20 am Post subject: |
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Newbie
Joined: 06 Jun 2002
Posts: 2
Location: London
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I was reading the clustering manuals but didn't think to try the MQSC command ref - thank you. I will download and read it right now! 
I am assuming that message volumes will actually prevent me from reaching the "target" 100 clusters in the two centralised servers. The architecture is such that it horizontally scalable so we will end up with a number of parallel, smaller sets of QManagers. |
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