SaaS applications are multi-tenant, so whether you are writing the first line of code in a new app or worried about scaling your successful SaaS fast enough - you need to be aware of multi-tenant requirements. Isolation, access control, perfornance, operations, scale and compliance   

In this video, Ram Subramanian, Nile CEO and SaaS Community founder, shares what he learned about building multi-tenant applications, based on 20+ years of experience and 100+ customer conversations. Starting from the first decision about the data model all the way to operating large scale deployments across multiple geographies.   

Blogs we refer to in this video: 

https://www.notion.so/blog/sharding-postgres-at-notion 

https://www.atlassian.com/engineering/scaling-rearchitecting-and-decomposing-confluence-cloud 

https://www.atlassian.com/engineering/april-2022-outage-update https://slack.engineering/scaling-datastores-at-slack-with-vitess/ 

And few other good blogs: 

https://blog.gotenzo.com/tech/database-sharding-solving-performance-in-a-multi-tenant-restaurant-data-analytics-system

https://blog.sentry.io/2015/07/23/transaction-id-wraparound-in-postgres/ 

https://blog.cloudflare.com/performance-isolation-in-a-multi-tenant-database-environment/ 

https://www.lighttag.io/blog/database-multi-tenancy/