Host Rubert Blumen is joined by Salesforce architect Ian Varley to discuss multi-tenancy. Their conversation covers how multi-tenancy differs from multi-user, popular architectures for multi-tenancy, why Salesforce uses a shared resource architecture, how Salesforce scales horizontally, the economics of a mix of small and large users, the importance of scaling down, scheduling, rate limiting and fairness, the threat model of a multi-tenant system, ensuring isolation between users, and technical challenges of migrating users between shards while maintaining availability and consistency.
Links from this episode118. Why Writing Matters for Engineers
117. Open Source with Jim Jagielski
116. Success From Anywhere
115. Demystifying the User Experience with Performance Monitoring
114. Beyond Root Cause Analysis in Complex Systems
113. Principles of Pragmatic Engineering
112. Managing Public Key Infrastructure within an Enterprise
111. Gift Cards for Small Businesses
110. Scaling a Bernie Meme
109. Meditation for the Curious Skeptic
108. Building Community with the Wicked CoolKit
I Was There: Stories of Production Incidents II
107. How to Write Seriously Good Software
106. Growing a Self-Funded Company
105. Event Sourcing and CQRS
104. The Evolution of Service Meshes
103. Chaos Engineering
102. Whether or Not to Repeat Yourself: DRY, DAMP, or WET
101. Cloud Native Applications
100. Math for Programmers
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