Assurance of expiry

Explains how to ensure message expiry

The expiry time can be calculated to the millisecond. For correct operation the clocks of the machines running the queue managers must be accurately aligned. Failure to do this within accuracy determined by your choice of expiry times causes messages to appear active on one queue manager, while they have expired on others. Ensure that you use the correct field type for the expiry value. An int (32 bit) field is used for relative expiry times, and a long (64 bit) field is used for absolute times. The field name is the same in both cases.


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