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Oct 4, 2026 · Backend Development

From Hours to Minutes: Pre-Positioning Decisions to Slash Recovery Time at 10M QPS

This article decomposes recovery time into detection, decision, execution, and verification phases, showing how 10M QPS systems reduce recovery from hours to minutes by pre-positioning decisions at design time, bounding data loss via semi-sync replication, automating failover loops with fencing and quorum, and validating RTO through disciplined drills.