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MQSeries.net Forum IndexIBM MQ Installation/Configuration SupportMaxMsgL

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bearsonli
PostPosted: Tue Jun 15, 2004 6:00 am Post subject: MaxMsgL Reply with quote

Novice

Joined: 02 Mar 2004
Posts: 16

Hi,

Just wanna confirm that in WMQ5.3 on Solaris, the MaxMsgL for a qmgr is defaulted to be 4MB, and can be increased up to 100MB.

Also, the MaxMsgL attribute of a queue and the qmgr can be changed dynamically, meaning that the change will take effect right away, without the need to restart the qmgr.

Thanks!
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tallison
PostPosted: Tue Jun 15, 2004 6:32 am Post subject: Reply with quote

Apprentice

Joined: 18 Jun 2002
Posts: 39
Location: Round Rock, Texas

Good morning,

You are correct on the default message size, It defaults to 4MB on the queue & queue manager.

However, I believe the max can be increased well over 100MB for MQ 5.1 and above

The changes to the queue manager / queues are dynamic and you should not have to restart the QM.
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jefflowrey
PostPosted: Tue Jun 15, 2004 6:38 am Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

tallison wrote:
However, I believe the max can be increased well over 100MB for MQ 5.1 and above


No.

The maximum size of an individual message is still 100MB in 5.3.

The maximum size of the data on a QUEUE is much larger, and much larger in 5.3 vs 5.1.
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bearsonli
PostPosted: Tue Jun 15, 2004 7:07 am Post subject: Reply with quote

Novice

Joined: 02 Mar 2004
Posts: 16

Thanks folks!

In WMQ5.3, I think the max size of data that a queue can hold is 2 GB, and the max size of an individual msg is 100 MB.
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Albator
PostPosted: Tue Jun 15, 2004 7:40 am Post subject: Reply with quote

Voyager

Joined: 04 Mar 2004
Posts: 75
Location: Toronto, Canada

From "Websphere System Administration Guide" second edition (October 2002) version 5.3

-"WebSphere MQ Version 5.3 supports queues over 2 GB in size; “Enabling large queues” on page 48 discusses |""

-"The default maximum message length is 4 MB, although you can increase this to a maximum length of 100 MB (where 1 MB equals 1 048 576 bytes). In practice, the message length might be limited by:
The maximum message length defined for the receiving queue
The maximum message length defined for the queue manager
The maximum message length defined by the queue
The maximum message length defined by either the sending or receiving
application"


Sas
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