Zero-downtime Upgrades
summary
Nelson Dionisi describes techniques to deploy new SaaS application versions without downtime while evolving a relational database schema. He focuses on application-side practices and real-world examples using Java, PostgreSQL, and frameworks like Hibernate and jOOQ, showing concrete migration patterns and tips for zero-downtime schema changes during rolling updates.
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chapters (13)
- 0:00Introduction
- 0:51Before June 2017
- 3:25Migration with downtime
- 5:12Migration without downtime
- 7:22Dropping a column
- 19:41Summary
- 22:13Multiple types of locks
- 24:28Request queue
- 27:37Fast operations vs. slow operations
- 29:16Adding a column
- 30:41Creating an index
- 32:32Other operations
- 41:12Where we stand today
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