Scalability options
Scaling EXM – Sitecore Hacker
Sitecore 9.3 Scalability - Oshyn
Processing and aggregation
Sitecore 9 Infrastructure Roles – The Runtime Report
Sitecore Information: My Experience with Sitecore processing/aggregation
Production deployments
Troubleshooting Sitecore content tests
Architecture overview
Sitecore 9.1 Hardware Requirements – Notes | Sitecore with Skowronski
Configuring EXM in a scaled environment
Sitecore Information: Sitecore Solution Production Deployment
Databases - Sitecore Spark
Querying your Sitecore SQL container – Neil Killen
Fast edge-side personalization | Sitecore | Uniform DXCP
Learning lessons for Sitecore, C#, .NET, SQL Server: Sitecore database lesson 8 - Cleanup Sitecore Database Tables
Sitecore Cortex Processing Engine
Reporting architecture
xconnect - How to configure multiple processing servers - Sitecore Stack Exchange
Applying a Hotfix to Correct xConnect Bugs Doesn't Always Mean You're Finished | Sitecore Fundamentals
