Wednesday, December 7, 2011

MQ: What is SYNCPOINT in MQGET


SYNCPOINT in MQGET

The request is to operate within the normal unit-of-work protocols. The message is marked as being unavailable to other applications, but it is deleted from the queue only when the unit of work is committed. The message is made available again if the unit of work is backed out. MQSYNCPINT says that the “messge” is a recoverable rersource.

MQGMO_NO_SYNCPOINT in MQGET

The request is to operate outside the normal unit-of-work protocols. The message is deleted from the queue immediately (unless this is a browse request). The message cannot be made available again by backing out the unit of work.

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