Azure Cosmos DB is Microsoft’s new database for globally-distributed applications

Today at Microsoft’s Build Conference in Seattle, the company launched Azure Cosmos DB – a brand new schemaless database system designed for large, globally-distributed, data-intensive applications. Azure Cosmos DB is a superset of the existing DocumentDB service, and Microsoft is transitioning all existing DocumentDB customers to Azure Cosmos DB, free of charge. The system is designed to scale horizontally, whilst maintaining impressive performance and reliability. This is backed by a confident and generous service-level agreement. Microsoft says that it can deliver single-digit millisecond latency at the 99th percentile, which is huge. It also says that 99.99 percent of all requests will “complete…

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