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The Pulse #156: Beware of global configuration changes in large systems

Deep Dives

Explore related topics with these Wikipedia articles, rewritten for enjoyable reading:

  • Therac-25 17 min read

    A classic case study in software engineering of how configuration and software changes without proper safeguards led to catastrophic failures - directly relevant to understanding why global configuration changes are dangerous

  • Northeast blackout of 2003 12 min read

    Demonstrates how cascading failures in large distributed systems can propagate globally from a single point of failure, paralleling how global config changes can cascade through infrastructure

  • Chaos engineering 13 min read

    The discipline specifically developed to prevent outages like Cloudflare's by deliberately introducing failures to test system resilience - educational context for understanding modern approaches to preventing such incidents

The Pulse is a series covering events, insights, and trends within Big Tech and startups. Notice an interesting event or trend? Hit reply and share it with me.

Today, we cover:

  1. Cloudflare’s latest outage proves dangers of global configuration changes (again) Deja vu: a large Cloudflare outage caused by an instantly rolled-out global config change – two we…

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