Efficient Ops

Oct 12, 2015 · Operations

Redis Cluster Migration Lessons: Real‑World Failures and Practical Solutions

This article recounts a series of July Redis incidents—including network‑card saturation, connection‑limit exhaustion, suspected split‑brain, Bgsave‑induced OOM, and master‑restart data loss—detailing the migration to Redis Cluster with a Smart Proxy, the challenges faced, and actionable remediation strategies.