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D4: Automated Distributed Document DB Designs for MongoDB

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MongoDB users may be interested in D4, an automated tool used to create distributed document database designs (hey, those words all start with the same letter) for applications running on MongoDB. D4 is the product of a collaboration between Brown University researchers and the MongoDB team, and the result looks interesting. According to the D4 team:

Using a sample workload trace from a either a document-oriented or relational database application, D4 will compute the best a database design that optimizes the throughput and latency of a document DBMS. The three design elements that D4 can select for an application are:

  • Sharding Keys
  • Indexes
  • Collection (De)normalization

You can find everything you need to get started with D4 on GitHub, with some supplemental information and examples here.