Official account for High Availability Architecture.
Meituan’s security team upgraded core services from JDK 8 to JDK 17 with ZGC, achieving up to 30% performance gains, a 10% reduction in machine cost, and improved stability while addressing compatibility and AI SDK requirements.
The GIAC 12th Global Internet Architecture Conference in Shenzhen gathered experts from Kuaishou, ByteDance, Tencent, iFlytek and Bilibili to discuss large‑model industrialization, generative AI, AI safety, cloud‑native and multimodal technologies, presenting 59 cutting‑edge architectural cases and insightful talks from leading innovators.
Marking ten years of WeChat Reading, this article details the backend's evolution from a monolithic service to a multi‑layered, micro‑service architecture with robust storage, RPC frameworks, book data platforms, account system redesign, and AI‑driven content retrieval, highlighting the technical challenges and solutions behind its scalability.
This article presents a comprehensive design of Bilibili's comment service architecture, detailing the transition from TiDB to a multi‑level storage system based on Taishan KV, the data models, consistency mechanisms, retry and versioning strategies, and a hedging‑based degradation policy to ensure high availability under heavy traffic.
This article provides a systematic overview of high‑availability system design, covering availability metrics, fault prevention, detection, recovery, capacity planning, service tiering, data layer resilience, monitoring, and the responsibilities of architects, SREs, and developers to ensure reliable, scalable services.
The article explains how Apache Dubbo's Triple X protocol now fully supports HTTP/3, detailing its design goals, performance advantages, configuration steps, code examples, and real‑world benchmarks that demonstrate significant latency reduction and reliability improvements in cloud‑native microservice environments.
This article introduces feed streams, explains their evolution from RSS to modern social feeds, classifies them by aggregation logic and display, discusses challenges such as real‑time performance and massive data, and presents a backend architecture with data models, pagination, write/read diffusion, and core publishing/reading workflows.
This article details Ctrip's approach to weak network detection, covering background, data collection, processing, dynamic weighting algorithms, result output, deployment effects, and future plans, and provides practical code examples and threshold settings for improving mobile network performance.
This article details the evolution of Ctrip's vacation product log system—from a simple single‑table DB in 2019, through a platformized ES + HBase architecture with custom RowKey design, to a V3.0 version that adds business and supplier empowerment, scalable storage, advanced search, and flexible data presentation for billions of daily change records.
This article presents a comprehensive backend engineering methodology for building "three‑high" systems that simultaneously achieve high performance, high concurrency, and high availability, covering performance tuning, horizontal and vertical scaling, hot‑key mitigation, fault‑tolerance mechanisms, isolation strategies, and practical DDD‑driven design.
