This article explores the layered redundancy of financial data centers, explaining hot and cold backups, multi‑site architectures, power supply safeguards, fire‑suppression systems, and why simply attacking a single component is unlikely to cripple services like Alipay.
The article analyzes the evolution of data protection—from manual copies and scripts to snapshots, Continuous Data Protection (CDP), and Copy Data Management (CDM)—highlighting their technical mechanisms, benefits such as near‑zero RPO, implementation models, vendor landscape, and key considerations for selecting the right solution in modern cloud‑centric environments.
This article provides a comprehensive overview of data backup and replication technologies, covering file‑level and block‑level backup, remote copy methods, snapshot mechanisms, CoFW vs RoFW approaches, backup destinations, data paths, and strategies such as full, incremental, and differential backups.
This article presents a comprehensive knowledge map of MySQL deployment scenarios—including single‑master, master‑slave, master‑multiple‑slaves, horizontal and vertical clustering, and mixed modes—detailing backup methods, performance tuning, scaling strategies, and high‑availability considerations.
The article details how Qihoo 360 adopted MongoDB since 2011, scaling to over 100 applications, 1,500 instances and 20 billion daily queries, and shares their architectural choices, backup strategies, best‑practice recommendations, and advice for teams considering MongoDB in large‑scale, cloud‑native environments.
