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The article describes ShopeePay’s cloud‑native, high‑availability Naming Center built on sRPC, which replaces etcd with an in‑memory, peer‑to‑peer service registry that uses gossip heartbeats, self‑protection, and a coordinator for eventual consistency, rapid recovery, and seamless upgrades.
This article provides a comprehensive introduction to ZooKeeper, covering its definition, ZNode hierarchy, listener mechanisms, and practical applications such as unified configuration management, naming services, distributed locks, and cluster state monitoring, illustrating how these features enable robust coordination in distributed systems.
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The article shares the author’s experience transitioning from private to public and hybrid clouds at Lianjia, introduces a “third kind” of operations that blends traditional and internet‑based practices, and discusses containers, DNS‑based naming, and automation tools to build adaptable, cost‑effective infrastructure.
The article examines the inevitability of service coupling in large‑scale web applications and proposes a two‑dimensional architecture that separates business and logic layers, uses internal data stores, introduces a naming‑and‑location service, selects appropriate transport and RPC protocols, and automates operations with health checks, load balancing, and failover to achieve continuous reliability.