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Article:
 Amazon's Simple Queue Service
Subject: RACEfullness
Date: 2005-03-15 10:01:52
From: jgregorio
Response to: RACEfullness

"If two consumers each request messages at approximately the same time, they will both receive links to the same message..."


That is a function of how 'Read' is implemented on the server. Two different Read operations that come in, no matter how close together, should return two different "Queue Subsets", each one representing a different subset of the queue.



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