[{"data":1,"prerenderedAt":16},["ShallowReactive",2],{"blog-tag-ja-topology-spread-constraints":3},[4],{"path":5,"title":6,"description":7,"date":8,"tags":9},"\u002Fblog\u002Fja\u002Fbroadcast-redundancy-kubernetes-high-availability-design","FIFAワールドカップの中継は、なぜ絶対に途切れないのか。放送業界の二重伝送に学ぶKubernetesの本当の高可用性設計","Kubernetesの高可用性は「レプリカを増やす」だけでは実現しない。放送業界のSMPTE ST 2022-7二重伝送技術を手がかりに、Topology Spread ConstraintsとマルチAZ設計の本質を解説する。","2026-07-20",[10,11,12,13,14,15],"kubernetes","k3s","high-availability","topology-spread-constraints","sre","managed-kubernetes",1786354659048]