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| Large Message Transfer via MQSeries |
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| jeasterl |
 Posted: Thu Jan 23, 2003 10:56 am Post subject: Large Message Transfer via MQSeries |
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Acolyte
Joined: 24 Jun 2001
Posts: 65
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I am trying to find some information on best practices on transfering large amounts of data via MQSeries. I understand the concept of segmentation, however, I would like some additional information not available in the manuals for the product
For example, I have a customer that is trying to transfer 4 GB files via MQ.
Any suggestions are welcome!
Thanks! |
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| yaakovd |
| Posted: Mon Jan 27, 2003 2:22 pm Post subject: |
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Partisan
Joined: 20 Jan 2003
Posts: 319
Location: Israel
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It so big 
I have expirience of transfer 70 MB without problems.
Any way, QMgr limit is 100 MB.
I think transferring compressed file will be usefull for you.
If you have 4 GB in text format - Zip will compress it to 25 MB, Rar - to 9 MB !!!
_________________
Best regards.
Yaakov
SWG, IBM Commerce, Israel |
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| Troilus |
| Posted: Mon Jan 27, 2003 10:56 pm Post subject: |
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Apprentice
Joined: 12 Jul 2002
Posts: 28
Location: Belgium
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| Segmentation might be a good idea. But also consider using reference messages. |
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| mrlinux |
| Posted: Tue Jan 28, 2003 8:08 am Post subject: |
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Grand Master
Joined: 14 Feb 2002
Posts: 1261
Location: Detroit,MI USA
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Transferring 4gb files will require segmenting the message due to the single 100mb message limit however there is another limit to consider,
for distrubuted systems the Queue Data is stored in a regular file which
prior to version 5.3 was set a 2GB, v5.3 will allow > 2gb Queue File size
if the OS/FileSystem support it. If you are going to use version v5.2 or older you will not be able to use a single unit of work, so you will need to provide some form of checksum to insure the complete file is sent.
_________________
Jeff
IBM Certified Developer MQSeries
IBM Certified Specialist MQSeries
IBM Certified Solutions Expert MQSeries |
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| EddieA |
| Posted: Fri Jan 31, 2003 10:15 am Post subject: |
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Jedi
Joined: 28 Jun 2001
Posts: 2453
Location: Los Angeles
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There's a RedBook, SG24-5849, MQSeries 5.1 Administration and Programming Examples that contains a pair of working programs that will take a file of any size, slice it up, ship it via MQ, and then rebuild it.
But, beware, there's NO error checking. So you would have to do some work to make it robust.
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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