How to plan your Sitecore xDB infrastructure | by Valtech | Valtech — Sitecore experts since 2008 | Medium
Reporting architecture
Databases - Sitecore Spark
Scale out Sitecore Infrastructure - 2017 - Blog - From Sitecore with Love
7 Best Sitecore 9 Features & their capabilities | Altudo Blog
Sitecore 9 xDB Reference and Collection/Share database | by Abhishek Malaviya | Medium
Production deployments
Databases - Sitecore Spark
Configuring servers
Demystifying Sitecore's licensing | Sitecore and such
Sitecore 9 Infrastructure Roles – The Runtime Report
Defining relationship between sitecore databases | Altudo
Developer Guide – Sitecore Hacker
Configuring EXM in a scaled environment
Processing and aggregation
Sitecore 8.2 Processing Server - Performance Tuning
Minimum On-Premise Sitecore 8 Setup | Sitecore Stuff
Querying your Sitecore SQL container – Neil Killen
How to configure multiple processing servers - Sitecore Stack Exchange
Sitecore 8.2 Processing Server - Performance Tuning
Scaling Sitecore Azure Web App - Vinicius Deschamps
Get Started with Sitecore Publishing Service | Hishaam
