This article details the end‑to‑end design, challenges, and implementation of a cross‑cloud migration of over 200 k Hive tables and nearly 40 PB of data using the self‑developed Kirk service, covering architecture, verification steps, and lessons learned to achieve 100 % data consistency without impacting production services.
Over a year after completing a five‑month, cross‑cloud migration of Huolala’s 40 PB offline big‑data platform—spanning storage, compute, services, and infrastructure—the team details the architecture, verification methods, high‑throughput migration tools, network isolation strategies, and lessons learned to guide similar large‑scale data migrations.
This article provides a comprehensive, step-by-step tutorial on using the open‑source Juicesync tool to migrate and synchronize object storage data across multiple cloud platforms, covering background, installation, configuration, full and incremental sync, and best‑practice notes.
This article explains how to design and implement cross-cloud database disaster recovery, covering background goals, common challenges, step-by-step migration stages, the role of Volcano Engine’s Database Transmission Service, cold-hot separation, HTAP analysis, and practical business value with real-world examples.
