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From Artur Siekielski <>
Subject LIFO (not FIFO) queues
Date Thu, 21 Aug 2008 12:52:46 GMT

Is it possible to change JMS queues semantics to Last In, First Out (ie.
stack)? Would it be difficult to patch ActiveMQ sources to achieve this?

Another solution to our problem is using priority queues. But ActiveMQ
doesn't support priorities. Only Oracle's AQs support this...

A bigger picture: we are using JMS for grid computations, task have subtasks
and subtasks have to be computed first. It would be nice to have a general
solution for this using JMS.
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