DevOps Patterns and Antipatterns for Continuous Software Updates

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" summary

Explains why updates must be tiny, frequent and safe with concrete failures: Java moves to six‑month releases but 75% of users stay on Java 8; a router OTA update reset configs and cut home internet; Knight Capital forgets to update one of eight servers and loses about $400M; Cloudflare misconfigured regexes twice (2019 and 2020) and knocks large regions offline. Recommends automation, progressive delivery, observability (tracing/logging/monitoring), feature flags when rollbacks are impossible, and local rollback and automated deployments to shrink blast radius.

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" chapters (13)

1. 0:00Intro
2. 0:12Why do we need software updates?
3. 3:38Most Important Slide (Shownotes)
4. 4:17Updating Faster
5. 6:00Why do we update?
6. 8:00Why is quality assurance hard?
7. 11:43Tips to build trust
8. 16:14Continuous over-the-air updates
9. 19:00Updating servers
10. 22:38Do Progressive Delivery
11. 25:21Lessons: Don't do like Cloudflare
12. 27:00Liquid Vision
13. 27:56Corner Cases

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