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consistency

Read-After-Write Consistency in Amazon S3

December 10, 2009

S3 has an “eventual consistency” model, which presents certain limitations on how S3 can be used. Today, Amazon released an improvement called “read-after-write-consistency” in the EU and US-west regions (it’s there, hidden at the bottom of the blog post). Here’s an explanation of what this is, and why it’s cool. What is Eventual Consistency? Consistency [...]

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