How to plan your Sitecore xDB infrastructure | by Valtech | Valtech — Sitecore experts since 2008 | Medium
Scaling Sitecore Azure Web App - Vinicius Deschamps
Defining relationship between sitecore databases | Altudo
Databases - Sitecore Spark
Sitecore 8.2 Processing Server - Performance Tuning
7 Best Sitecore 9 Features & their capabilities | Altudo Blog
Using Server Roles for Sitecore 9 CM Server - Sitecore Stack Exchange
Production deployments
Report database Rebuild ridiculously slow - Sitecore Stack Exchange
Sitecore 8.2 Processing Server - Performance Tuning
Demystifying Sitecore's licensing | Sitecore and such
Sitecore xConnect and Pipelines | Altudo
How to configure multiple processing servers - Sitecore Stack Exchange
Databases - Sitecore Spark
Developer Guide – Sitecore Hacker
Processing and aggregation
MongoDB support and deployment options in Sitecore 7.5 | by Valtech | Valtech — Sitecore experts since 2008 | Medium
Scalability options
Sitecore xDB - Architecture and Configuration
