What You Need To Know About Amazon SimpleDB. Amazon have finally launched the database component of their web service suite. It fits a bunch of current trends: key/value pairs, schemaless, built on top of Erlang. “Eventual consistency” is an interesting characteristic.
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After reading through a fantastic document on Werner Vogels site on their Dynamo storage engine^ - it doesn't surprise me in the least that their public offering has the same characteristics.
Consider for a moment that the performance, throughput and scalability requirements for the current Amazon services have driven Amazon to build the Dynamo engine. Now consider what a storage engine might require if 'everyone' could potentially use it; seems more than plausible that it'd have even higher throughput and harder to reach scalability requirements.
^ http://www.allthingsdistributed.com/2007/10/amazon s_dynamo.html
Al - 14th December 2007 14:58 - #