Bilibili Data Center Migration: Planning, Execution, and Lessons Learned

This article details Bilibili’s 18‑month, multi‑region data‑center migration, covering background, project challenges, comprehensive planning, execution steps, risk management, automation, and post‑migration benefits, offering practical insights for large‑scale infrastructure relocation and operational optimization.

BilibiliData Center MigrationProject Management

0 likes · 21 min read

Bilibili Data Center Migration: Planning, Execution, and Lessons Learned

Bilibili Tech

Oct 25, 2024 · Operations

Bilibili Data Center Migration: Planning, Execution, and Lessons Learned

Bilibili’s 18‑month, multi‑regional data‑center migration moved tens of thousands of servers using a high‑frequency rolling strategy, combining meticulous planning, cross‑team coordination, automated rack placement and rigorous checklists to achieve significant cost savings, higher utilization, improved stability and greener operations.

AutomationData Center MigrationProject Management

0 likes · 21 min read

Top Architecture Tech Stack

Aug 19, 2024 · Operations

Analysis of NetEase Cloud Music Outage: Causes and Data‑Center Migration Challenges

On August 19 the NetEase Cloud Music service suffered a major outage that was traced to a complex migration of its Hangzhou data center to Guizhou, highlighting large‑scale operational risks, technical debt, and strict continuity constraints for high‑traffic internet platforms.

Data Center MigrationNetEase Cloud MusicOperations

0 likes · 6 min read

Analysis of NetEase Cloud Music Outage: Causes and Data‑Center Migration Challenges

NetEase Cloud Music Tech Team

Jul 11, 2024 · Operations

Cloud Music Guizhou Data Center Migration: A Large-Scale Infrastructure Migration Case Study

In 2023 NetEase Cloud Music executed its largest ever data‑center migration, moving over 20,000 applications and more than one million queries per second to a new Guizhou facility while meeting zero‑downtime, strict latency and bandwidth limits through a batch‑wise, cross‑team strategy that incorporated automated upgrade platforms, standardized operations, and extensive risk‑mitigation measures.

Data Center MigrationDistributed SystemsTechnical Debt

0 likes · 27 min read

Cloud Music Guizhou Data Center Migration: A Large-Scale Infrastructure Migration Case Study

dbaplus Community

Sep 28, 2021 · Operations

How to Seamlessly Migrate Zookeeper for ClickHouse Across Data Centers with Zero Downtime

This article details a step‑by‑step, zero‑downtime migration of a Zookeeper cluster supporting ClickHouse from Hong Kong to Singapore, covering background, challenges, dynamic‑config upgrades, expansion, configuration changes, encountered issues, and the final rollout plan.

ClickHouseData Center MigrationDynamic Configuration

0 likes · 15 min read

How to Seamlessly Migrate Zookeeper for ClickHouse Across Data Centers with Zero Downtime

UCloud Tech

Jan 24, 2019 · Operations

How UCloud Executed a Seamless Hot Migration of Its Seoul Data Center

This article details UCloud's five‑month, multi‑department hot migration of its Seoul data center, covering planning, ZooKeeper scaling, udatabase and MySQL migration strategies, deployment platforms, and the final cut‑over steps that ensured zero user impact.

Data Center MigrationHot MigrationOperations

0 likes · 14 min read

How UCloud Executed a Seamless Hot Migration of Its Seoul Data Center