Since Kubernetes 1.25 the default container image registry moved from k8s.gcr.io to the multi‑provider CDN‑backed registry.k8s.io, improving download speed and resilience, but requiring clusters to update image references or mirror images for restricted environments.
This article details Qunar’s migration from a traditional Prometheus‑based monitoring stack to VictoriaMetrics, describing the challenges of large‑scale container metrics collection, the architectural redesign using VM‑Cluster, vmagent, and vmalert, and the performance improvements achieved after full replacement.
This article explains how upgrading a Kubernetes node's CPU while using the static CPU manager policy can cause kubelet startup failures, details the underlying CPU manager architecture and topology handling, and provides a simple two‑step recovery method.
This article analyzes the evolution of network functions from hardware to virtual machines and finally to cloud‑native containers, explains CNF deployment in 5G core and access networks, details SDEWAN architecture and gray‑release processes, and outlines future trends and design principles.
This article recounts AirQo's transition from a traditional CI/CD workflow to a GitOps model using ArgoCD, detailing the operational pain points they faced, the benefits gained such as automated sync, self‑service for developers, and easier rollbacks, and offering practical insights for similar cloud‑native teams.
HeLian Health’s journey from a fast‑iteration monolith to a stable, cloud‑native microservice architecture illustrates how modular design, Dubbo‑Nacos integration, Kubernetes, and Alibaba Cloud MSE can overcome low‑fault tolerance challenges in the medical check‑up domain while boosting release efficiency and reducing operational costs.
This article details the architecture, evolution, and technical solutions of the Berserker big‑data platform—including component design, state‑management problems, release strategies, two‑phase commit, RPC handling, routing, message queuing, containerized execution, dependency model redesign, and future roadmap—demonstrating how the system achieved high availability, low latency, and scalable operations.
The article details a Tencent‑led, end‑to‑end cost‑optimization project for large‑scale Kubernetes/TKE clusters that collected extensive workload metrics, applied VPA/HPA enhancements, custom scheduling and node‑downscaling via the open‑source Crane platform, ultimately delivering up to 70% CPU and 50% memory savings with zero‑fault deployments.
This article explains how to achieve end‑to‑end gray (canary) traffic routing for microservice chains on Kubernetes by using MSE's lane features and configuring Ingress controllers, covering the required concepts, configuration steps, and verification methods.
Monitoring Kubernetes clusters is essential for visibility and scalability, but selecting the right tools can be complex; this article outlines best‑practice approaches and compares popular open‑source solutions such as Prometheus, Grafana, Thanos, Elasticsearch, Logstash, and Kibana, helping you build an effective monitoring stack.
This article walks through a real‑world Kubernetes incident where a node ran out of space due to Ceph storage inconsistencies and cgroup leaks, detailing step‑by‑step diagnostics, Ceph repair commands, pod eviction, node reboot, and post‑mortem recommendations for cluster operations.
This article analyzes a Kubernetes‑Docker environment where Java pods encounter “fork: Resource temporarily unavailable” errors, tracing the issue through kernel event logs, ulimit settings, PID limits, and related sysctl parameters, and provides detailed recommendations for kernel and user‑level configuration to prevent such failures.
The Open Cluster Management (OCM) project releases v0.9.0 with enhanced security, service exposure, plugin configurability, API updates, and outlines upcoming features like independent control‑plane deployment, ArgoCD pull‑mode integration, placement strategies, and edge‑scenario support.
The article details how Tencent Cloud’s Crane predictive autoscaling leverages a digital signal processing pipeline—transforming Prometheus time‑series data via Fourier analysis, using DFT/FFT to identify periodic patterns, predict load with IFFT, and configure margins, thresholds, and spectrum parameters to overcome HPA’s reactive limits.
This article provides a comprehensive overview of Kubernetes networking by explaining the concepts of underlay and overlay network models, describing their implementations such as flannel host‑gw, Calico BGP, IPVLAN/MACVLAN, and tunneling technologies like VxLAN and IPIP, and offering practical references for each approach.
This article analyzes the challenges of traditional Kubernetes cluster installation, proposes a fully automated, zero‑touch deployment framework that abstracts and packages all required resources, and explores its architecture, implementation using Go, cloud‑edge collaboration with KubeEdge, and future extensions toward CRD‑based operators.
This tutorial explains the background of the Kubernetes Gateway API, compares it with the traditional Ingress API, and provides a hands‑on walkthrough for installing the Gateway API CRDs, configuring Istio to use a Gateway resource, exposing a sample httpbin service, updating routes, and cleaning up the environment.
This article walks through building, compiling, containerizing, and deploying a simple mock‑response Wasm plugin for Higress on a Kubernetes cluster, explaining the code structure, configuration, plugin lifecycle, and the three revolutionary features of Wasm‑based gateway extensions.
This article introduces JD Daojia's machine learning platform, detailing its architecture, implementation principles, and practical applications in various business scenarios, achieving significant improvements in recommendation and search systems.
This guide walks through ten frequent Kubernetes problems—from service access failures and port‑mapping errors to image pull issues and CrashLoopBackOff—explaining root causes, showing exact error messages, and providing concise command‑line solutions to restore cluster health.
This article provides a comprehensive overview of Kubernetes networking, explaining the concepts of underlay and overlay network models, their implementations with Flannel, Calico, IPVLAN, MACVLAN, Multus, DANM, and common tunneling protocols such as VxLAN, IPIP, and GRE, while highlighting practical configuration notes and architectural differences.
This article reviews the practical applications and experimental explorations of StarRocks at 360, describing the cloud‑native lake‑warehouse product Yunzhou, its three‑tier architecture, performance comparisons with Trino using TPCH 100 GB, challenges of Kubernetes integration, and future directions for storage‑compute separation.
This tutorial walks you through installing Devtron on Kubernetes, creating additional Kind clusters, adding them as managed clusters, configuring environments, adding custom Helm repositories, and deploying a sample Spring Boot application across multiple clusters using Devtron's UI and chart groups.
OpenYurt v1.1.0 introduces two DaemonSet upgrade strategies—Auto, which skips NotReady nodes, and OTA, which lets edge users control upgrade timing—both implemented via custom controllers and annotations, with example YAML configurations and a simple API for manual pod upgrades.
Tencent transformed its popular Happy Dou Dizhu game’s monitoring by migrating to Tencent Cloud Managed Prometheus and Grafana, unifying metric naming, consolidating ServiceMonitors, defining dashboards as code, and avoiding high‑cardinality labels, which cut labor costs by over 30% and greatly improved operational efficiency.
This article explains how Kubernetes forwards packets from the initial web request through container networking, covering the network model, pod creation steps, the role of the pause container, same‑node and cross‑node pod‑to‑pod traffic, service IP translation, and the underlying CNI, iptables, and conntrack mechanisms.
Version 1.3 of SREWorks introduces a modular plugin system with independent plugin packages, visual configuration UI, standardized component definition workflow, upgraded application mechanisms separating enterprise and ops apps, offline app packages, remote UMD component loading, new front‑end widgets, and a Grafana‑based streaming job monitoring dashboard.
Grafana Phlare is an open‑source, horizontally scalable continuous profiling database that integrates with Grafana, offering easy installation, multi‑tenant support, and object‑storage‑backed long‑term storage, with detailed deployment instructions for both monolithic and micro‑service modes on Kubernetes using Helm.
This article introduces common container network scenarios and explains how various Kubernetes CNI plugins—Kube‑OVN, Antrea, Cilium, Calico, Flannel, Submariner, and others—implement these functions, guiding users on selecting and deploying the appropriate plugin with tools like Kubekey for multi‑cluster and policy needs.
This guide walks through deploying Hadoop 3.x on a Kubernetes cluster using Helm, covering repository addition, Docker image creation, Helm chart configuration, service adjustments, installation, verification commands, and clean uninstallation, complete with code snippets and screenshots.
This article details the WeChat engineering team’s practical experience deploying and optimizing Apache Pulsar on Kubernetes for massive real‑time recommendation workloads, covering cloud‑native advantages, non‑persistent topics, load‑balancing tweaks, broker cache improvements, COS offloader development, and future roadmap.
This article outlines the Kubernetes pod lifecycle, describes the five pod phases, enumerates 13 typical failure scenarios—including scheduling, image pull, dependency, init container, probe, and OOM issues—provides error states, root causes, and step‑by‑step kubectl commands for diagnosis and remediation.
The article explains why traditional load testing struggles with modern, scalable infrastructures and shows how integrating sidecar containers into Kubernetes can simplify traffic capture, enrich replay data, reduce operational overhead, and enable more realistic, automated load‑testing pipelines.
Grafana Phlare is an open‑source, horizontally scalable continuous profiling database that integrates with Grafana, offering easy installation, multi‑tenant support, cheap object‑storage persistence, and both monolithic and microservice deployment modes, with detailed Helm‑based Kubernetes setup and usage instructions.
The article introduces the F5 Cloud Egress Services (CES) solution, detailing its architecture, component composition, policy scopes, tenant isolation, and the extensive capabilities it provides for dynamic egress traffic control, security, and observability within Kubernetes clusters using Kube‑OVN.
This article explains the current state of cloud‑native alerting, introduces Grafana Mimir as a horizontally scalable, multi‑tenant storage for Prometheus, details its architecture and components, and provides step‑by‑step guidance for installing, configuring, and operating Mimir in Kubernetes environments.
This article explores how edge computing, combined with cloud-native technologies, 5G, and GPU acceleration, enables real‑time data processing, intelligent inspection, digital twins, and autonomous driving in the automotive industry, outlining practical architectures, hardware choices, and deployment patterns.
This article explains how Kubernetes can be configured for multi‑tenant isolation using control‑plane mechanisms like namespaces, RBAC, and quotas, data‑plane techniques such as container runtimes, storage policies, and network policies, and compares namespace‑based tenancy with virtual control‑plane and multi‑cluster approaches.
This comprehensive guide walks you through installing Docker and containerd, configuring yum repositories, setting up kubeadm/kubelet/kubectl, initializing a multi‑master Kubernetes cluster, enabling Flannel CNI and IPVS, building a Nginx‑Keepalived HA load balancer, deploying the Kubernetes dashboard, configuring NFS storage with a dynamic provisioner, and installing a secure Harbor image registry for private images.
This guide walks you through the essential steps, commands, and precautions for safely draining nodes, backing up applications, CRDs, and etcd, then shutting down and later restarting a Kubernetes cluster while avoiding common pitfalls.
Koordinator, an open‑source cloud‑native scheduler launched in April 2022, unifies heterogeneous workloads on Kubernetes through zero‑intrusion plugins, fine‑grained resource oversubscription, QoS‑aware scheduling, and a flexible descheduler framework, dramatically improving resource utilization and latency‑sensitive service performance.
This article examines why traffic loss occurs during Kubernetes application releases, breaks down the three main traffic paths—LoadBalancer Service, Nginx Ingress, and microservice registry—and offers concrete, cloud‑native configurations and lifecycle hooks to achieve loss‑free deployments.
This comprehensive tutorial walks through preparing hosts, installing Docker and containerd, setting up Kubernetes components, initializing a HA master cluster, configuring networking, deploying the Kubernetes dashboard, NFS storage, Harbor registry, and an Nginx/Keepalived load balancer, all with detailed commands and configuration files.
This article recounts Ximalaya’s evolution from early Docker adoption to a mature cloud‑native deployment platform, detailing principles, custom tools such as barge and k8s‑sync, health‑check strategies, multi‑process management, and integration with existing middleware to achieve reliable, zero‑downtime service releases.
This article traces the evolution of local debugging from simple Tomcat setups to Kubernetes, compares proxy tools like port‑forwarding, VPN, Telepresence and kt‑connect, and explains kt‑connect's four operation modes with practical command examples for developers.
This comprehensive tutorial walks through preparing multiple Linux nodes, installing Docker and containerd, setting up kubeadm, kubelet and kubectl, initializing a HA Kubernetes control plane, configuring Flannel networking, deploying the Kubernetes dashboard, installing Nginx + Keepalived for load balancing, setting up NFS with rsync, provisioning storage via Helm, and finally installing a secure Harbor image registry, all with detailed commands and configuration snippets.
This article explains why traditional CPU inference and naïve GPU usage are inefficient for recommendation workloads, introduces NVIDIA Multi‑Process Service (MPS) technology, describes VIVO's custom Rust‑based inference engine and deployment strategies, and presents performance and cost benefits along with practical deployment considerations.
This article explains three frequent misunderstandings about Kubernetes Horizontal Pod Autoscaler—dead zones, misuse of utilization calculations, and perceived lag in scaling—while detailing HPA’s inner workings, metric sources, calculation methods, and behavior configuration to help you avoid scaling pitfalls.
This article examines CI/CD approaches within a Kubernetes ecosystem, detailing pull- and push-based pipeline architectures, their advantages and disadvantages, key considerations such as automated testing, validation and rollbacks, and reviews popular open-source tools like Spinnaker, Jenkins X and Argo CD.
This article explains how Kubernetes enables service‑to‑service communication using three native objects—ClusterIP Service, CoreDNS for DNS‑based discovery, and Kube‑proxy for DNAT—while abstracting the underlying network complexities from applications.
This guide explains how to enhance Kube‑OVN with Cilium’s eBPF‑based networking and security features by using CNI chaining, covering prerequisites, configuration changes, Helm deployment steps, verification commands, and useful reference links for a complete cloud‑native networking solution.
This article details how BizWorks integrates KubeVela to build a cloud‑native PaaS platform that streamlines application deployment, resolves fragmented configuration challenges, and delivers continuous integration and delivery capabilities across multi‑cloud environments.
This article outlines ten indispensable cloud‑native tools—from Docker and Kubernetes to Serverless, Helm, Ansible, and Wireshark—explaining how each supports modern agile development, improves infrastructure stability, and accelerates digital transformation in post‑pandemic enterprises.
This article introduces the role of the Kubernetes API server, explains kubectl syntax and concepts, and provides detailed explanations of eight essential kubectl commands—including listing resources, describing objects, creating and modifying resources, deleting objects, handling PersistentVolumes, configuring security contexts, managing deployments, and executing commands inside pods—helping readers master everyday Kubernetes operations.
This article recounts Ximalaya's journey from a simple Docker‑based project template to a full‑featured Kubernetes‑driven container platform, describing the principles, tools, health‑check strategies, deployment patterns, middleware integration, and lessons learned for building reliable cloud‑native services.
The rolling deployment strategy incrementally replaces old application instances with new ones, allowing users to encounter both versions during rollout, and is praised for ease of implementation, low risk, and default support in platforms like Kubernetes, though it can be slow, costly for large infrastructures, and may affect user experience.
This guide explains what Kubernetes events are, how to list and filter them, categorizes common event types, and shows practical ways to collect, store, and alert on events using native commands and open‑source tools, helping teams reduce alert fatigue and improve cluster observability.
This article examines the challenges of traditional Spark clusters and explains how integrating Spark with cloud‑native platforms—through Kubernetes deployment modes, EMR on ACK practices, Remote Shuffle Service, and serverless Spark on DLF—provides elastic scaling, lower operational costs, and advanced features such as executor rolling and custom scheduler support.
This article explains how the Intel istio‑tcpip‑bypass plugin leverages eBPF to bypass the host TCP/IP stack for intra‑node pod communication, provides environment setup, step‑by‑step deployment commands, and shows benchmark results that demonstrate 40‑80% latency reduction and throughput improvement.
This article explains why Kubernetes, the leading container orchestration platform, faces numerous security challenges—from misconfigurations and RBAC pitfalls to malicious Docker images and insecure cluster communication—and offers practical mitigation strategies and best‑practice recommendations.
This article compares HashiCorp's Nomad and Kubernetes, outlining their features, similarities, differences, and use‑case scenarios to help you decide which container orchestration platform best fits your workload and operational needs.
This step‑by‑step tutorial walks through setting up a multi‑node Kubernetes cluster, configuring high availability with Nginx and Keepalived, installing Docker and containerd, deploying an NFS provisioner, configuring Ingress, and installing a secure Harbor registry using Helm and custom TLS certificates.
This article details Guangdong Mobile's end‑to‑end journey of designing, constructing, and operating a production‑grade container cloud platform, covering architecture decisions, monitoring, logging, high‑availability, scaling, network optimization, upgrade challenges, and lessons learned for cloud‑native practitioners.
KubeGateway, a custom seven‑layer gateway by ByteDance, eliminates kube‑apiserver load imbalance, provides fine‑grained request routing, rate limiting, degradation, and transparent authentication, thereby dramatically improving Kubernetes cluster availability and operational stability.
This article introduces Harbor, a CNCF‑hosted cloud‑native Docker registry, explains its token‑based authentication flow, details the required Kubernetes and Helm prerequisites, provides step‑by‑step installation and configuration instructions, and demonstrates how to push and pull images using containerd and Kubernetes.
KubeGateway, a custom seven‑layer gateway built by ByteDance, eliminates kube‑apiserver load‑imbalance and adds comprehensive request governance—including routing, rate‑limiting, and degradation—by parsing HTTP2 traffic, supporting flexible policies, and transparently proxying requests without client changes.
The article chronicles the architectural evolution of China Telecom's Tianyi Account gateway—from its 2017 Zuul‑based 1.0 implementation, through a 2.0 redesign using Kong with custom plugins, to the current 3.0 version featuring CP/DP separation, multi‑language plugins, and cloud‑native deployment, highlighting performance gains, scalability, and operational improvements.
GitOps, a cloud‑native continuous deployment approach that uses Git as the single source of truth, enables secure, auditable, and multi‑tenant Kubernetes management by automating state reconciliation, supporting multi‑cluster and multi‑environment deployments, and integrating tools like Argo CD, Flux, Helm, and Kustomize.
This article explains how Kubernetes integrates with internal development platforms, compares self‑hosted and managed options, and reviews major providers such as OpenShift, Amazon EKS, Azure AKS, and Google GKE, highlighting their benefits, drawbacks, and suitability for enterprise workloads.
This article explains how Kubernetes forwards packets from the initial web request through container networking, covering the Kubernetes network model, Linux network namespaces, the role of the pause container, pod‑to‑pod communication on the same and different nodes, CNI plugins, and how services use Netfilter and iptables to rewrite traffic.
Ford’s tech leaders Beckie Riss and Satish Puranam discuss how the automaker’s six‑year cloud‑native journey—spanning Kubernetes, Tekton, Knative, and a culture of curiosity—has reshaped development, accelerated delivery, and tackled the challenges of upskilling engineers and simplifying platform adoption.
This article explains how Grafana Mimir provides a scalable, highly‑available, multi‑tenant long‑term storage for Prometheus, details its architecture and core components such as compactor, distributor, ingester, querier, query‑frontend and store‑gateway, and shows step‑by‑step installation, status checking, and Alertmanager configuration for cloud‑native environments.
Bilibili adopted the open‑source Kyuubi proxy to replace its unstable STS layer, enabling multi‑tenant, multi‑engine (Spark, Presto, Flink) SQL/Scala processing with Hive Thrift compatibility, fine‑grained queue isolation, UI monitoring, stability safeguards, and Kubernetes/YARN deployment, while planning further cloud‑native extensions.
Hulu’s data platform team describes how they migrated large‑scale Spark workloads from Yarn to native Spark on Kubernetes, leveraging AWS services such as EKS, S3, and custom operators to achieve dynamic scaling, unified monitoring, cost‑effective resource management, and improved stability for search, recommendation, and advertising pipelines.
The article examines the inherent and accidental complexities of Kubernetes as a distributed cluster manager, discusses challenges in resource scheduling, infrastructure diversity, and operational overhead, and explores how cloud‑native solutions such as managed services, nodeless and serverless Kubernetes architectures attempt to reduce these complexities while introducing new trade‑offs.
This article provides a detailed comparative analysis of the cloud‑native application platforms KubeSphere and Rainbond, evaluating their product positioning, community activity, installation experience, application deployment, micro‑service architecture, marketplace features, multi‑cluster management, and operational capabilities to help readers choose the most suitable solution for their needs.
This presentation details Huolala's end‑to‑end cloud‑native cost‑optimization strategy, covering the company's infrastructure basics, Kubernetes‑based server cost‑saving techniques, a tailored optimization roadmap, practical Spot Instance usage, and a custom CronHPA‑driven scheduled scaling solution to boost resource utilization.
This article explains how to design and implement a Prometheus‑based monitoring system for big‑data components running on Kubernetes, covering metric exposure methods, scrape configurations, exporter deployment, and dynamic alert rule management with Alertmanager.
This guide compares the leading container registries—Amazon ECR, Azure Container Registry, Docker Hub, Google Cloud Container Registry, and Harbor—highlighting their features, management capabilities, security scanning, and integration with cloud‑native workflows.
This article explains how TiDB, a cloud‑native distributed database, can be deployed on private or public clouds using the TiDB Operator, covering Kubernetes basics, operator concepts, TiDB Operator features, architecture, and upcoming deployment guides.
Internal Development Platforms (IDPs) unify existing tools and workflows to provide developers with self‑service capabilities, reduce cognitive load, and standardize deployments, while enabling ops teams to automate repetitive tasks, improve productivity, and deliver measurable gains in MTTR, change‑failure rate, deployment frequency, and lead time.
This article explains what containers are, outlines their advantages such as scalability, portability and DevOps integration, describes popular container images and tools like Docker and Kubernetes, and concludes with a summary of why containerization is essential for agile cloud‑native development.
This article presents a practical three‑step methodology—understanding, managing, and preventing—to troubleshoot Kubernetes deployments, explains how to leverage monitoring, observability, and incident‑response tools, and offers guidance on fostering team collaboration and building resilient, self‑healing cloud‑native systems.
This article explains how the nsenter command from util‑linux lets you enter a container's network or other namespaces to run host tools for debugging, details its syntax, provides practical examples with Docker and Kubernetes, and covers the underlying concepts of Linux namespaces, clone, and setns.
This article explains the concept of traffic routing in microservice governance, outlines the challenges of heterogeneous environments, introduces the OpenSergo project as a unified, multi‑language solution, and provides detailed CRD examples and demo steps for implementing tag, canary, and full‑link gray routing in Kubernetes.
Google donated Istio to the CNCF, which was accepted as an incubating project, introducing the experimental Ambient Mesh mode while retaining sidecar support, and the article outlines Istio's architecture, history, community contributions, and industry perspectives on this cloud‑native milestone.
This step‑by‑step guide walks you through deploying a production‑grade Kubernetes environment, covering node preparation, Docker and containerd setup, kubeadm initialization, high‑availability configuration with Nginx and Keepalived, installing the dashboard, and setting up a private Harbor registry with NFS storage, all using cloud‑native best practices.
Vivo’s engineering team shares their practical experience creating a Karmada‑Operator using the Operator SDK and Ansible, detailing background, deployment challenges, design choices, API and architecture, etcd management, member cluster handling, CI pipeline, and performance testing to enable robust multi‑cloud Kubernetes orchestration.
This article explains how Grafana Mimir extends Prometheus and Alertmanager to provide a horizontally scalable, highly available, multi‑tenant monitoring solution for Kubernetes, covering its architecture, key components, compression mechanisms, deployment steps, and configuration of Alertmanager and multi‑tenant support.
Koordinator v0.7 adds major cloud‑native scheduling features—including enhanced gang (coscheduling) with Strict/NonStrict modes, multi‑hierarchy ElasticQuota management, fine‑grained GPU resource protocols, richer diagnostic APIs, and safer descheduling—targeting machine‑learning and big‑data workloads on Kubernetes.
This article explains the technical reasons behind Kubernetes' decision to deprecate Docker, covering the introduction of the CRI shim, the rise of containerd, the phased removal of dockershim, and why Docker remains relevant in the cloud‑native ecosystem.
This guide walks you through deploying Apache Flink on Kubernetes, covering runtime modes, building Docker images, creating ConfigMaps and Services, launching session and application clusters, submitting jobs, monitoring the Web UI, and cleaning up resources, all with practical code snippets and commands.
OpenKruise v1.3 introduces the PodProbeMarker CRD for custom probes, adds new features to CloneSet, WorkloadSpread, Advanced DaemonSet, and SidecarSet—including historical version injection and pod annotation policies—while delivering significant performance gains for large‑scale clusters through queue optimizations and reduced CPU/memory usage.
This article explains how to prepare Linkerd for production use by covering high‑availability deployment, Helm chart installation, Prometheus metric handling, external Prometheus integration, multi‑cluster communication, and additional operational best‑practices such as resource tuning and security considerations.
This article explains the fundamentals of service mesh as a cloud‑native infrastructure layer, covering its control‑plane and data‑plane architecture, sidecar and waypoint proxies, L4/L7 decoupling, eBPF acceleration, zero‑trust security, traffic management, observability, and real‑world deployment scenarios.
This article introduces the Advanced Horizontal Pod Autoscaler (AHPA), explains its three‑stage architecture of data collection, prediction, and scaling, details the RobustScaler forecasting algorithm and CRD‑based deployment, and evaluates its ability to proactively and reactively adjust pod counts with high robustness.
The session detailed how Tencent’s container experts boost Kubernetes cluster utilization by correcting pod resource requests, employing two‑level auto‑scaling, dynamic over‑commit, adaptive scheduling and eviction, and using HPA/EHPA/VPA, achieving up to 38.7% node usage and roughly 60% cost savings in real‑world workloads.
This step‑by‑step guide shows how to prepare three CentOS 7 nodes, install containerd, configure system settings, deploy kubeadm/kubelet/kubectl, initialize a Kubernetes v1.22.1 control plane, add worker nodes, install the flannel CNI plugin, set up the Dashboard, and clean up the environment.
This article explains the challenges of SaaS private‑cloud deployment, compares source‑code and container deployment, introduces Kubernetes and KubeSphere, outlines required infrastructure, provides Docker and Harbor installation steps, and shows how to use KubeKey to configure and manage a full‑stack private cloud platform.
This article explores how Kubernetes Pods differ from simple containers by examining their underlying implementation, shared network and IPC namespaces, cgroup hierarchies, and the role of the pause sandbox, while also demonstrating how similar pod-like behavior can be achieved using Docker and cgroup tools.
