Resilience
28 bites tagged Resilience — interview questions with model answers, and 60-second explainers.
Circuit Breaker Pattern: Fail Fast, Not Hard
A circuit breaker wraps network calls to prevent cascading failures. It monitors for errors, and if a service seems down, it 'trips' to fail requests instantly without hitting the network. This gives the failing service time to recover.
Object Versioning: A Safety Net for Cloud Files
Object Versioning treats every file change as a new version, not a replacement. It's used in cloud storage to recover from accidental overwrites or deletions. The footgun: you pay for all versions, so costs can multiply without cleanup policies.
Multi-cloud: Spreading Bets Across Cloud Providers
Multi-cloud is a strategy for using services from two or more cloud providers to avoid vendor lock-in. It's used to cherry-pick best-in-class services or improve resilience. The footgun is underestimating the complexity of managing disparate APIs and security.
Chaos Engineering: Break Systems to Build Confidence
Chaos Engineering is like a fire drill for your software: you intentionally break things in a controlled way to find weaknesses. It's used in distributed systems to test resilience against server failures or network latency.
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