https://www.pistack.xyz/tags/fault-tolerance/ Recent content in Fault-Tolerance on Pi Stack Hugo en-us Fri, 01 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-01-self-hosted-circuit-breaker-envoy-haproxy-linkerd-fault-tolerance-guide/ Fri, 01 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-01-self-hosted-circuit-breaker-envoy-haproxy-linkerd-fault-tolerance-guide/ <p>When a downstream service starts failing, your entire application can cascade into failure. Circuit breakers prevent this by detecting unhealthy backends and short-circuiting requests before they pile up. Rather than waiting for connections to time out, a circuit breaker trips open, fails fast, and gives the failing service time to recover.</p>