UCloud is a leading neutral cloud provider in China, developing its own IaaS, PaaS, AI service platform, and big data exchange platform, and delivering comprehensive industry solutions for public, private, hybrid, and dedicated clouds.
This article explains how UCloud's internal‑VIP based high‑availability solution provides second‑level failover for cloud and physical hosts, detailing the evolution from simulated broadcast to a GARP‑sniffing broadcast cluster and showcasing real‑world e‑commerce and database use cases.
This lesson introduces cloud hosts, explaining their core concept, key features such as security, stability, elasticity and high performance, the underlying virtualization and migration technologies, product architecture, disk and image options, and common application scenarios for enterprises and developers.
This article introduces the U创营 cloud computing series, covering the technology's evolution, key benefits, essential concepts like regions and availability zones, core product categories, and a step‑by‑step guide for beginners to start learning and applying cloud services effectively.
BigBrother is a large‑scale internal network connectivity detection system that uses TCP packet coloring to separate probe traffic from user traffic, supports physical and hybrid cloud scenarios, provides a complete detection framework for rapid fault localization, and has been proven in thousands of host migrations with near‑real‑time alerts.
This article demonstrates how to build a real‑time education analytics system by streaming answer data through Kafka into Flink or Spark, performing per‑question, per‑grade, and per‑subject aggregations, and optionally accelerating development with UFlink SQL.
This article details Lagou's migration of production workloads from traditional VMs to UK8S, covering business architecture, stateful container deployment, sidecar log collection, dual monitoring stacks, service exposure strategies, configuration management, CI/CD pipelines, and future plans for autoscaling.
The article explains how the WeiChe app leverages AI to instantly recognize car dashboard warning lights, describes the underlying deep‑learning infrastructure on UCloud’s UAI‑Inference platform, and shows how the Hot‑Standby feature dramatically cuts GPU costs while maintaining real‑time performance.
This article explains how UCloud’s KUN platform leverages Kubernetes Operators to simplify deployment and management of stateful distributed services like Redis, covering Operator fundamentals, design choices, Redis Operator features, scope handling, persistence, monitoring, and the overall benefits for DevOps efficiency.
This article explains the evolution of DDoS protection from early router‑based defenses to modern cloud‑native solutions, detailing UCloud's three‑module architecture, the role of Anycast in traffic dilution, and practical features that enable scalable, cost‑effective mitigation of large‑scale attacks.
This article explains how UCloud's performance‑oriented UFS leverages NVMe SSDs, upgrades to NFSv4, redesigns business indexing, and introduces a novel append‑only storage engine with stream/extent architecture to achieve sub‑10 ms latency and high IOPS for demanding AI and analytics workloads.
