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| correlationId & messageId configuration? |
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| sp70 |
 Posted: Thu Nov 15, 2001 1:34 pm Post subject: |
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Newbie
Joined: 13 Nov 2001
Posts: 7
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| Hi, I was wondering if there are any configuration options when setting up queues for making the correlationId and/or messageId unique after each get/put? Like an index or something? TIA. |
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| EddieA |
| Posted: Thu Nov 15, 2001 1:59 pm Post subject: |
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Jedi
Joined: 28 Jun 2001
Posts: 2453
Location: Los Angeles
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As I've just posted to your other thread, MQSeries does not modify the CorrelationId when PUTting a message.
The MessageId is only modified when you don't fill in a value, or use MQMI_NONE. If you put a value in there, MQ will not modify or change it.
Cheers,
_________________
Eddie Atherton
IBM Certified Solution Developer - WebSphere Message Broker V6.1
IBM Certified Solution Developer - WebSphere Message Broker V7.0 |
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| StefanSievert |
| Posted: Thu Nov 15, 2001 5:32 pm Post subject: |
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Partisan
Joined: 28 Oct 2001
Posts: 333
Location: San Francisco
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I don't know where you try to get at with your question, but
1) Yes, on OS/390 only(!) there are options you can specify while DEFINING the queue that influence GET performance. The queue attribute is called INDXTYPE and can either be set to MSGID, CORRELID or MSGTOKEN, which results in an index being maintained that contains the values of the respective field. The index DOES NOT guarantee uniqueness of the contents either.
2) The contents of the fields are not influenced by the queue definition, but by the application that PUTs the message (or by the queue manager, for queue manager generated msgs, like event msgs, DLQ, reports etc).
Does that help?
Stefan
[ This Message was edited by: StefanSievert on 2001-11-15 17:33 ] |
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