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| max message length |
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| mqwbiwf |
 Posted: Mon Oct 01, 2007 2:19 pm Post subject: max message length |
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Centurion
Joined: 21 Jul 2006
Posts: 126
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I'm sorry, but it might be a basic question that I could not get answer to:
The MQ Document says that a message of upto 100MB can be transeferred using MQ.
But when looked the MAXMSGLEN attribute of a queue, it's 10MB and also the same for the channel. I know that segmentation can be used to break message into chunks of 10MB or less. When they have a max message size of 100MB, does it mean even if we segment the messages , the total size of these small messages with same GroupID should not exceed 100MBytes?
We currently have a situation where we are getting a file of size 150MB. How can we use MQ in such cases then? It would be greatly appreciated if an MQ expert can answer my question. |
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| jefflowrey |
| Posted: Mon Oct 01, 2007 2:21 pm Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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No individual physical message can be larger than 100MBs.
Logical messages, either grouped or segmented, can be larger than 100MBs - but no physical message in the group or physical segment can be larger than 100MB.
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I am *not* the model of the modern major general. |
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| mqwbiwf |
| Posted: Mon Oct 01, 2007 3:32 pm Post subject: |
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Centurion
Joined: 21 Jul 2006
Posts: 126
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Thanks for the reply Jeff.
That's exactly my question. I just don't understand how could a message of size up to 100MB can be transferred across MQ when the queue and channel allows only 10MB. Am I missing something here?? |
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| jefflowrey |
| Posted: Mon Oct 01, 2007 3:49 pm Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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It can't be.
If you want to ship a 100Mb message, you have to adjust the MaxMsgLn everywhere in order to move it.
Unless you segment or group it into physical messages that are smaller than the current maxmsgln.
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I am *not* the model of the modern major general. |
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