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| group msg handling in MB |
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| mqprof |
 Posted: Thu Dec 14, 2006 10:56 am Post subject: group msg handling in MB |
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Newbie
Joined: 14 Dec 2006
Posts: 4
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Hi,
For handling group messages in WMB, MQ V 6.0, MQinput node properties are set to Logical Order, Commit by Msg Group, Transaction Mode Yes. MQOutput node has transaction mode set to Automatic.
If I send a non grp message i.e a regular message, O/P queue depth goes up but the messages cannot be browsed meaning it is not yet commited. If I follow this with other group message including the last msg in group, all messages get commited and can be browsed including the regular one. I can't explain the behavior for regular msg.Why should a regular message not be commited right away. I'm using RFHUTIL to set the grp message headers.
Any insight on this behaviour?
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| jsware |
| Posted: Wed Dec 27, 2006 2:40 am Post subject: |
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Chevalier
Joined: 17 May 2001
Posts: 455
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It would appear that when the commit by group option is selected, the broker is waiting for a "last msg in group" flag to be set before committing messages.
A normal message does not have the "Last Msg in Group" flag set, so the commit does not occur.
On face value, it would appear that this is not a reasonable course of action for the broker. I would open a PMR with IBM to get this checked out as it would seem to me to be a defect.
I would argue that commit by group should only happen if the "message is part of a group" flag is also set.
_________________
Regards
John
The pain of low quaility far outlasts the joy of low price. |
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