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 details how the KUN platform enhances Istio’s Service Mesh by extending EnvoyFilter with namespace-level isolation, custom traffic management strategies, fault injection examples, and validation mechanisms, illustrating code implementations and architectural insights for robust, scalable microservice networking.
The article recaps a Shanghai UCan afternoon tea tech salon where six seasoned experts shared practical Kubernetes and cloud‑native experiences, covering UCloud’s UK8S platform, network and storage integrations, tenant isolation, deployment automation, real‑world case studies from healthcare, workflow engines, service mesh, and small‑team adoption strategies.
This article explains how UCloud’s Packer builder automates the creation of consistent, versioned machine images across multiple cloud platforms, compares it with manual console methods, outlines the full lifecycle, provides practical JSON examples, and demonstrates integration with Terraform for seamless DevOps workflows.
UCloud integrated GitLab with its custom Kubernetes‑based container service platform KUN to achieve daily automated deployments, detailing CI/CD goals, branch strategy, pipeline design, Kaniko image building, runner execution, and a specialized YAML editor for seamless cloud‑native development.
This article explains how incorporating hosted‑cloud physical servers into UCloud's UK8S cluster enables seamless hybrid‑cloud operation by improving resource utilization during low‑traffic periods, simplifying network, storage, and load‑balancing configurations, and reducing the operational overhead of managing separate Kubernetes clusters.
This article explains how using the Storage Performance Development Kit (SPDK) optimizes virtualized I/O paths for cloud disks, covering its architecture, virtio vring basics, hot‑upgrade solutions, online migration techniques, and io_uring enhancements that together achieve up to 1.2 million IOPS with dramatically reduced latency.
The UAI-Train distributed GPU platform cut a 7‑million‑image face‑recognition training cycle from a week to a day, slashed GPU costs by up to 90%, and boosted algorithm optimization efficiency by 85.7% for the fintech company Paipaidai.
UK8S’s custom CNI plugin integrates VPC networking to give containers native cloud performance, but a bug caused kubelet to create a second sandbox container, leading to missing NETNS parameters and VPC IP leaks; the article details the investigation, root‑cause analysis, and the patch fixing the issue.
This article explains how UCloud integrates Ansible with GlobalSSH to streamline overseas multi‑data‑center deployments, presents step‑by‑step Playbook examples, and shows performance tests that demonstrate up to a 57% speed boost for both Playbook and Ad‑hoc operations.
This article examines the common causes of MySQL master‑slave replication delay, explains how to monitor the issue with SHOW SLAVE STATUS, and provides practical solutions for six typical scenarios ranging from heavy write traffic to hardware mismatches.
