Monday, October 7, 2013

Why Tellybug moved from Cassandra to Amazon DynamoDB

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Tellybug has recently moved our NoSQL database from Cassandra to Amazon Dynamo. In this post, I’ll explain why, how and what the results have been.

At Tellybug, we’d been using Cassandra since early 2011, back in the 0.7 days. Our usage of Cassandra was somewhat atypical, as we didn’t need its ability to store vast quantities of data, but its ability to write fast. The Tellybug platform powers the apps for big shows such as X Factor and Britain’s Got Talent, so when the show is on the system is under incredible loads. We have tens of thousands of writes per second to perform, and Cassandra offered the ability to scale to meet that need.

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