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| MaxMsgLenght parameter in a Queue Manager - Pb with MQSI |
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| opmind |
 Posted: Tue Jun 24, 2003 7:32 am Post subject: MaxMsgLenght parameter in a Queue Manager - Pb with MQSI |
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Acolyte
Joined: 04 Dec 2001
Posts: 68
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Hello there ...
After patched my MQSI 2.1. with CSD04, I still have an "MSG TOO LONG FOR CHANNEL" ... And of course I'm in MQSeries 5.2.
I thought that MQSeries 5.3 can accept MSGLENGHT superior to 100 Mo... And it appears not !!!
Any idea on how can I let a VERY VERY big MQSI deployment ( full ) accepted by MQSERIES ?
Cyril |
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| bower5932 |
| Posted: Tue Jun 24, 2003 7:34 am Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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| Even though MQ can take larger messages, I believe the default is still 4MB. If you want a larger message, you probably need to change the MAXMSGL parameter on your queue manager, queue and channel. When you change it on the queue, remember the "other" queues like the dead letter queue, transmit queue. |
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| opmind |
| Posted: Tue Jun 24, 2003 8:38 am Post subject: |
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Acolyte
Joined: 04 Dec 2001
Posts: 68
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I really did all of these points ... But it still doesn't run at all !!! I wonder WHY MQSI creates a message greater than 100 mo ?
And do you know how to obtain the real message lenght generated by MQSI ?
Cyril |
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| jefflowrey |
| Posted: Tue Jun 24, 2003 8:52 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| Quote: |
| MQSeries 5.3 can accept MSGLENGHT superior to 100 Mo |
No. It can hold more messages on a queue, but the size of each message is still limited to 100 mb.
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| But it still doesn't run at all |
Try doing individual deploys to each execution group instead of a full deploy. Try doing incremental assignments and delta deploys of message flows to each execution group.
| Quote: |
| I wonder WHY MQSI creates a message greater than 100 mo |
It can't create a message larger than 100mb. You would get an error in the ControlCenter that was specific to trying to create a message that was bigger than 100MBs.
And if you're getting errors at the CHANNEL, then it's not. It's merely creating messages larger than your channels can handle.
| Quote: |
| And do you know how to obtain the real message lenght generated by MQSI |
If you're getting channel errors, it means that your configmgr is on one queue manager and your broker is on another. So, stop your channel, do a deploy, and look for the message that's waiting to get transfered. |
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| opmind |
| Posted: Wed Jun 25, 2003 3:44 am Post subject: |
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Acolyte
Joined: 04 Dec 2001
Posts: 68
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Ok... After this morning of test, here are the results :
1. Upgrade my channel capacities to 100 MO( sender and receiver ), No more 2218.
2. Delta deploy, no warning...
3. Complete deploy, no warning...
BUT three problems appears...
- Never have the log result of theses deploy,
- When I refresh the operation list ( after put or retrieve a message set ), nothing changed !!!
- When i refresh sometimes my log result, I have a time out and messages are blocked in SYSTEM.BROKER.CONFIG.REPLY .
I known that MQSI was really bugged... but like that !!!
Anyone had similars problems?
Cyril |
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| jefflowrey |
| Posted: Wed Jun 25, 2003 5:16 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| messages are blocked in SYSTEM.BROKER.CONFIG.REPLY |
This is why you don't see anything in your log. While they are blocked there, you can see how big they are.
It sounds like you didn't fix all the channels, and the reply messages coming back can't get delivered because they're too big. Either that, or you forgot to start a channel.
Look for error messages on your broker machine. |
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