Cosmos

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Understanding Cloud Storage Consistency Models

Cloud storage systems utilize various consistency models to balance performance, availability, and data accuracy. This article explores these models, their trade-offs, and examples of systems using them. We’ll also discuss the CAP theorem and its implications. Consistency Models Strong Consistency Definition: Guarantees that any read operation returns the most recent write for a given piece…

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Microsofts Cosmos Service

Cosmos is “Microsoft’s internal data storage/query system for analyzing enormous amounts (as in petabytes) of data”. There is no paper/technical report about Cosmos published yet. I compiled a list of information about Cosmos on the Web as follows. What is Microsoft’s Cosmos service? by Yaron Y. Goland. Microsoft Cosmos: Petabytes perfectly processed perfunctorily by Seth…