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Status Not under consideration
Workspace MQ, MQ Advanced & MQ Appliance
Created by Guest
Created on Apr 23, 2023

RELATED IDEAS

Improve the MQGET Performance in a Queue-Sharing environment if IGQ ( Inter-Group Queuing ) is enabled

See this idea on ideas.ibm.com

With the current IGQ implementation, IGQ does not scale well in a QSG ( Queue-Sharing Group ) and Coupling-Facility setup.

MQ Development has mentioned that there is a need to look at splitting up the IGQ (i.e. have one per qmgr, or maybe even one per source/target qmgr combination) so that  the getting task can do gets without match options.
With the current implementation, MQGETS done with 'Match' options severely puts a strain on the CPU and I/O, as it needs to contend with not only a Primary key, but also a Secondary key, thereby causing significant delays.

Idea priority High
  • Admin
    Mark Taylor
    Reply
    |     May 16, 2023

    This is not something that can be done in just MQ - it would require changes in other products or components such as the CF. As such, this is not likely to be achieveable in the next couple of years. Therefore this request is being declined.

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