Implementing the Netflix Media Database

December 14, 2018

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In the previous blog posts in this series, we introduced the Netflix Media DataBase (NMDB) and its salient “Media Document” data model. In this post we will provide details of the NMDB system architecture beginning with the system requirements — these will serve as the necessary motivation for the architectural choices we made. A fundamental requirement for any lasting data system is that it should scale along with the growth of the business applications it wishes to serve. NMDB is built to be a highly scalable, multi-tenant, media metadata system that can serve a high volume of write/read throughput as well as support near real-time queries. At any given time there could be several applications that are trying to persist data about a media asset (e.g., image, video, audio, subtitles) and/or trying to harness that data to solve a business problem.

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