132 IBM IMS Version 12 Technical Overview
4.4 Other Transaction Manager enhancements
The following additional enhancements have been set:
In OTMA, to boost OTMA performance
To let the DFSMSCE0 exit support the new shared queues enhancement with XCF
To allow the DFSLUEE0 exit to dequeue an undeliverable asynchronous message
To expand the transaction expiration function to WebSphere MQ
4.4.1 OTMA performance
The path length for OTMA transaction processing has been reduced by simplifying the logic
when validating a tpipe name. Before this performance enhancement, OTMA experiences
unnecessary CPU overhead because it always validates a tpipe name against keyword
names when each message is received.
With the enhancement, OTMA performs tpipe ...