This article details Tongcheng Travel's extensive experience of running over a thousand MySQL instances in Docker, describing the motivations, architecture, resource scheduling, backup, monitoring, high‑availability, migration, and operational benefits of their private cloud database platform.
This article explains Redis Cluster’s distributed architecture, the 16,384 hash slot mechanism, node addition and removal, decentralised request routing, fault‑tolerance through master‑slave replication, slot migration without service interruption, and the internal data structures that enable these features.
This guide details the step‑by‑step process of moving a Windows‑based Oracle 11g RAC cluster to a Linux environment, focusing on building DataGuard between a single‑instance source and a RAC target, adjusting IPs, updating parameter files, handling tnsnames.ora, password files, RMAN backups, and finalizing the standby configuration.
A former .NET developer recounts his transition to Java, detailing language and framework selection, storage and messaging choices, source‑code management, coding standards, testing, deployment, monitoring, logging, and the practical pitfalls he encountered while treating his project like a newborn child.
This article details YOOZOO Network's evolution from physical to virtualized and clustered game server architectures, the automation of operations across three generations, the design of the UJOBS job platform, robust database backup strategies, and a step‑by‑step migration of thousands of servers to Alibaba Cloud.
This article recounts how China Mobile Zhejiang’s IT department evolved from a traditional IOE architecture to a cloud‑native, DevOps‑driven operation, detailing the motivations, challenges, migration steps, new organizational models, and future concerns for telecom operators.
Using big‑data visualizations, this article examines the 2017 Chinese Spring Festival migration, revealing early peak travel, the top twenty outbound cities accounting for over 40 % of movement, net flow patterns, and demographic profiles such as age, education and industry distribution across major urban centers.
This article details the evolution of Taobao’s homepage over two years, covering its migration from PHP to Node, the modular building platform, performance optimizations, stability mechanisms, and agile operational practices that keep billions of daily page views fast and reliable.
The article details the evolution of Taobao's home page over the past year and a half, covering its background, the shift from a PHP‑based rendering system to a Node‑based platform, module construction, dynamic data integration, performance optimizations, stability measures, monitoring, and agile operational practices.
This article chronicles the evolution of Taobao’s home page—from its early PHP implementation to a modern Node‑based platform—detailing architecture, module building, performance optimizations, stability safeguards, and agile practices that enable it to serve billions of daily page views.
A DBA intern recounts a real‑world Oracle tablespace failure, the challenges of resizing a BIGFILE tablespace, disk‑space shortages, permission errors during data‑file migration, and the key lessons about communication, analysis, and preparation for future production incidents.
This guide explains step‑by‑step how to offline Oracle datafiles or tablespaces, copy them to a new directory, rename them, recover if needed, bring them back online, and safely shut down and restart the database to complete the migration.
Badoo migrated its massive PHP codebase to PHP 7 across hundreds of servers, overcoming engine bugs, HHVM limitations, and extension incompatibilities, while revamping testing infrastructure and deployment processes, ultimately achieving up to 40% faster response times, eight‑fold memory reduction, and roughly one million dollars in cost savings.
This article consolidates Oracle ACS architect Zhou Guohong's comprehensive guide on selecting upgrade paths, outlining phase‑by‑phase tasks, highlighting key success factors, and answering common questions about migration tools such as Transportable Tablespaces, Data Pump, and GoldenGate.
This article explains why many teams still use TFVC, compares its centralized features with Git's distributed advantages, and provides a step‑by‑step TFVC‑to‑Git migration procedure that retains full commit history and offers guidance on choosing the right repository strategy.
This article recounts a series of July Redis incidents—including network‑card saturation, connection‑limit exhaustion, suspected split‑brain, Bgsave‑induced OOM, and master‑restart data loss—detailing the migration to Redis Cluster with a Smart Proxy, the challenges faced, and actionable remediation strategies.
Oracle stopped publishing public security patches and updates for Java 7 in April 2015, urging users to migrate to Java 8 or obtain long‑term commercial support, which has caused compatibility challenges for tools still relying on deprecated Java 7 features and prompted consideration of alternative JVMs.
