In previous posts of our “Become a MongoDB DBA” series, we covered Deployment, Configuration, Monitoring (part 1), Monitoring (part 2), backup and restore. From this blog post onwards, we shift our focus to the scaling...

Edited on Sep 12, 2016 to correct the description of how ProxySQL handles session variables. Many thanks to Francisco Miguel for pointing this out. ProxySQL is becoming more and more popular as SQL-aware load balancer...