This article explains how to design and implement a flexible, high‑performance log system for Kubernetes environments, covering demand‑driven architecture, functional requirements, open‑source component choices, the reasons for a custom solution, and the operational challenges faced at massive scale.
This tutorial walks you through preparing a CentOS system, installing Docker CE, configuring Docker mirrors, setting up kubelet, kubeadm and kubectl packages, adjusting cgroup settings, initializing a Kubernetes master node, joining worker nodes, deploying Flannel networking, and troubleshooting common issues, all with exact command examples.
This article explains the fundamentals of monitoring and logging in large‑scale Kubernetes clusters, classifies monitoring types, traces the evolution from Heapster to the lightweight metrics‑server, outlines the three Kubernetes monitoring APIs, reviews Prometheus as the de‑facto standard, and describes Alibaba Cloud’s enhanced monitoring and logging solutions.
This article explains containerd’s evolution, its advantages over Docker Engine in Kubernetes, how to set it up with Minikube, use gvisor sandbox, manage containers with ctr and crictl, and outlines Alibaba Cloud’s support for containerd in ACK.
Docker’s enterprise services were sold to Mirantis while Docker Desktop stays with Docker, highlighting how open‑source container platforms are reshaped by cloud‑native competition, licensing changes, and the challenges of sustaining open‑source business models.
This article explains the principles of DevOps, outlines an eight‑point requirement checklist for a Docker‑based DevOps environment, details the step‑by‑step workflow using GitLab, Docker, Jenkins, SonarQube, Harbor and Kubernetes, and then compares it with Serverless architectures, highlighting future trends.
This article details LeXin Medical's journey from a manually built Kubernetes cluster to the UCloud UK8S platform, covering the challenges of self‑hosting, the tools and processes used for migration, and the resulting improvements in logging, monitoring, CI/CD, and overall operational efficiency.
This roundup highlights the latest cloud‑native announcements, including Helm 3’s stable release, the GitHub Octoverse language trends, upcoming KubeCon North America, CNCF’s Prometheus report, Kubernetes 1.17 code freeze, key upstream feature improvements, and a curated list of open‑source projects and reading recommendations.
This article traces Alibaba’s evolution from monolithic apps to micro‑services and cloud‑native architectures, explains the open‑source Open Application Model (OAM) with its Component, Trait and ApplicationConfiguration concepts, showcases its design principles, and demonstrates how the EDAS platform implements OAM to simplify application deployment and operations.
The Cloud+ Community’s 29th technical salon on November 9 2019 in Shenzhen gathered Tencent and Jiwei experts to showcase efficient intelligent operations through AIOps practices, massive cloud migration strategies, the Blue Whale PaaS framework, Serverless DevOps best practices, and Kubernetes resource‑utilization techniques.
This article explains how to ensure application health and stability after migrating to Kubernetes by improving observability and recoverability, detailing the purpose, configuration, and results of Liveness and Readiness probes, common pod issues, diagnostic steps, and remote debugging techniques using tools such as Telepresence and kubectl‑debug.
Ant Financial’s article details how its large‑scale Kubernetes management system—built on a meta‑cluster, end‑state operators, and a Kube‑on‑Kube design—ensures reliable creation, upgrade, and self‑healing of thousands of nodes, while providing gray‑scale changes, risk assessment, and fault‑tolerant automation.
At a Shenzhen Elastic Community meetup, ByteDance senior engineer Huang Yangfeng detailed how his team built an Elasticsearch service platform on Kubernetes—addressing isolation and performance‑analysis challenges, outlining a roadmap for cross‑region recovery, monitoring, and automation, and sharing insights on ecosystem growth and community needs.
This tutorial walks through installing Rook as a cloud‑native storage orchestrator on Kubernetes, deploying the Rook operator, creating a CephCluster CRD, verifying OSD and monitor pods, setting up the Rook toolbox, exposing the Ceph dashboard via a NodePort service, and configuring monitoring and access credentials.
This article presents Ant Financial’s extensive Service Mesh deployment, detailing its evolution from research to a global‑scale mesh of over 100 k pods, performance measurements, optimization techniques, operational practices, migration strategies, and practical recommendations for organizations considering Service Mesh adoption.
The article recounts Lingque Cloud’s five‑year evolution toward a fully cloud‑native architecture, detailing its transition from container images to Helm charts, the adoption of Kubernetes, micro‑service governance, and the open‑source projects Kube‑OVN and Captain that address networking and Helm limitations.
The presentation at the 2019 Shanghai Open Source Infrastructure Summit introduced Kube-OVN, an open‑source CNI that ports mature OpenStack networking concepts to Kubernetes, outlining its design principles, architecture, current release status, and future roadmap.
This article explains the drawbacks of a traditional Jenkins master‑slave setup, outlines a Kubernetes‑driven CI/CD solution that dynamically provisions Jenkins slaves as pods, details the deployment of custom Jenkins and SonarQube Docker images, and covers related Kubernetes resources, web‑terminal integration, and tuning tips.
The interview with Lingque Cloud CTO Chen Kai explores how cloud native has moved from popularization to practical implementation, covering Kubernetes maturity, Service Mesh and Serverless evolution, microservice governance challenges, digital transformation implications, and the company's latest platform upgrades.
This article introduces Alibaba's open‑source ChaosBlade tool, explains its experiment model and supported scenarios, shows how to install the ChaosBlade Operator on Kubernetes, and provides step‑by‑step instructions for creating, modifying, and cleaning up cloud‑native chaos experiments using both YAML resources and the blade CLI.
This article explains how Ant Financial designs and operates a large‑scale, highly available Kubernetes management platform—detailing its architecture, core operators, desired‑state controllers, fault‑self‑healing mechanisms, risk mitigation, and practical Q&A for production environments.
This article explains the background of storage snapshots in Kubernetes, the VolumeSnapshot and VolumeSnapshotClass APIs, the concept of storage topology, how delayed binding and topology‑aware scheduling solve common PV placement problems, and provides step‑by‑step YAML examples and a live demo of the whole workflow.
The article details Beijing Mobile’s CRM Order Center project, describing its cloud‑native, containerized micro‑service architecture, the rigorous DevOps Level‑2 technical‑operation assessment it passed, the challenges of multi‑team collaboration, and the future roadmap toward higher maturity, AI‑enabled AIOps, and broader enterprise adoption.
This article details Meituan's journey from early container adoption to the HULK 2.0 platform, covering architecture, isolation, stability, performance, and promotion challenges, and shares the engineering solutions that enabled over 30,000 containers to run reliably at massive scale.
In an interview, Alibaba technical expert Sun Jianbo explains the inherent complexity of Kubernetes, the challenges of managing stateful applications and Operators, and how Alibaba’s large‑scale practice, a four‑layer delivery model, and the Open Application Model (OAM) provide concrete solutions for cloud‑native application management.
This article explains how Linux capabilities replace the traditional SUID mechanism to provide fine‑grained root privilege control, detailing capability sets, inheritance rules, practical examples with ping and Docker, and a step‑by‑step formula for execve() behavior.
Meituan‑Dianping describes its evolution from a custom Docker‑based scheduler (HULK1.0) to an open‑source Kubernetes‑based platform (HULK2.0), detailing architecture, resource‑management strategies, scheduler optimizations, Kubelet enhancements, and online‑cluster tuning that together enable stable, cost‑effective operation of a 100k+ node fleet.
At the 2019 Cloud Native State of the Union speech, CTO Chen Kai highlighted the maturation of cloud native technologies, the central role of Kubernetes and operators, the shift toward hybrid and multi‑cloud deployments, and practical guidance for adopting cloud native infrastructure, service mesh, and API management in enterprises.
This article explains Kubernetes’ fundamental network model, detailing the three core constraints and four design goals, exploring network namespaces, comparing Underlay and Overlay approaches, reviewing popular CNI solutions such as Flannel, Calico, Cilium and WeaveNet, and outlining practical NetworkPolicy configuration steps.
This article explains how Ant Financial designs and operates a large‑scale, highly available Kubernetes management platform—using end‑state driven operators, custom CRDs, self‑healing mechanisms, and risk‑mitigation strategies—to reliably run thousands of nodes and dozens of business clusters in production.
58 Group’s recent technical salon showcased how AI technologies such as voice dialogue robots, intelligent advertising algorithms, personalized recommendation systems, and a Kubernetes‑based deep learning platform are being deployed across its real‑estate, recruitment, used‑car, and local services businesses to improve efficiency, user experience, and revenue.
This guide explains how to use Alibaba Cloud Toolkit to automate one‑click deployment of applications to Alibaba Cloud Container Service Kubernetes and to generic hosts, covering plugin installation, credential setup, Docker image packaging, and step‑by‑step deployment configuration to dramatically accelerate development workflows.
This article examines the evolution of network architectures from traditional tree‑topology back‑ends to peer‑to‑peer designs, explores pure and hybrid P2P models, and provides practical guidance for deploying and managing multi‑cloud P2P networks using Kubernetes, Flannel, DNS and platform‑based automation.
This article explains how Kubernetes solves common pod launch challenges—variable configuration, sensitive data, authentication, resource limits, security isolation, and pre‑start checks—by using ConfigMaps, Secrets, ServiceAccounts, Resources, SecurityContext, and InitContainers, with practical creation commands and usage patterns.
The Open Application Model (OAM) is a cloud‑native standard that separates application definition from infrastructure, enabling developers and operators to work independently, simplifying deployment, improving portability, and offering a smartphone‑like experience for managing cloud applications across diverse environments.
This guide explains how to replace Docker with Podman for hosting a static Hugo site, using a sidecar Envoy proxy, shared network namespaces, Kubernetes‑compatible pod definitions, and systemd services to achieve automatic startup and reliable service discovery.
This article details Meituan-Dianping's evolution from custom Docker‑based scaling to a Kubernetes‑driven, cloud‑native cluster management platform (HULK), describing its architecture, scheduler enhancements, Kubelet modifications, and resource‑optimization strategies for large‑scale operations.
This article explains how Spring Cloud Data Flow, together with Spring Cloud Skipper, enables developers to design, deploy, and manage event‑stream pipelines on Apache Kafka, covering ecosystem overview, pipeline components, Docker‑based local setup, stream creation, debugging, monitoring, and integration of Kafka Streams applications.
This article details VPGAME's end‑to‑end migration of its esports platform services to a Kubernetes‑based architecture, covering CI/CD tool selection, Docker and GitLab Runner setup, automated Docker image builds, and Kubernetes Deployment and Service templating with health checks, resource limits, logging and monitoring configurations.
This article provides a comprehensive guide to Kubernetes resource metadata, covering labels, annotations, ownerReferences, selector syntax, practical kubectl operations, and the underlying controller pattern that drives declarative API behavior in cloud‑native environments.
This article explains DevOps concepts, continuous integration, and how to build a Docker‑based DevOps environment that meets eight key requirements, then discusses Serverless computing, Alibaba Cloud's Serverless Application Engine and Function Compute, and forecasts the future impact of Serverless on cloud resource utilization and software development.
This guide walks through setting up password‑less SSH, downloading a specific Kubespray tag, customizing image repositories, configuring Docker mirrors, adjusting DNS and network plugins, and finally running Ansible playbooks to provision a HA Kubernetes 1.12.5 cluster.
This article walks you through deploying a WebSocket chat service and a gRPC ping service on Knative, covering repository cloning, Docker image preparation, Knative Service YAML configuration, kubectl deployment commands, and browser‑based verification to ensure the services run correctly in a serverless environment.
This roundup covers the open‑source launch of OAM, KubeVirt joining the CNCF Sandbox, the release of KubeAdvisor 1.0, several kube‑scheduler improvements, kubeadm usability upgrades, notable KEPs, VMware‑Tanzu project migrations, a tool for converting deprecated Kubernetes APIs, and a curated list of weekly technical readings.
This article explains how the Open Application Model (OAM), announced by Alibaba Cloud and Microsoft, aims to simplify cloud‑native application delivery by providing a standardized, declarative model that separates application description from operational traits, addressing the complexity of cloud app management.
The Open Application Model (OAM) introduced by Alibaba Cloud and Microsoft provides a platform‑agnostic, extensible standard that separates developer and operator concerns, defines reusable components and traits, and enables consistent, portable management of cloud‑native applications across diverse environments.
This guide explains how to create, delete, update, and label Kubernetes pods using YAML definitions and kubectl commands, covering pod architecture, networking, and practical examples such as port‑forwarding and label management.
This comprehensive guide explains core Kubernetes concepts—including Pods, Namespaces, Nodes, Services, Volumes, PersistentVolumes, Deployments, StatefulSets, DaemonSets, Ingress, Jobs, CronJobs, HPA, Service Accounts, Secrets, ConfigMaps, and Resource Quotas—along with practical kubectl commands and configuration details for effective cluster management.
This article details how Alibaba and Ant Financial tackled the performance and stability challenges of running Kubernetes at massive scale, describing their enhancements to etcd, API Server, scheduler, controller failover, load balancing, and other components that enabled a 10k‑node cluster to support the 2019 Tmall 618 promotion.
This article introduces Kubernetes as the leading open‑source container orchestration platform, outlines its primary features, explains its architecture with a diagram, and provides detailed descriptions of core components such as etcd, the API server, scheduler, controller manager, kubelet, and kube‑proxy, including their roles, mechanisms, and common configurations.
This guide walks through the architecture of Prometheus, the key Kubernetes monitoring metrics, and step‑by‑step instructions to deploy Prometheus, Grafana, and Alertmanager on a K8s cluster, configure RBAC, set up ConfigMaps, expose services, import dashboards, and test alert notifications via email.
Kube-OVN v0.8.0 adds a high‑availability active‑passive gateway, enhanced monitoring via a kubectl plugin and Prometheus‑exposed pinger, automatic port‑security, hostport support, and upgrades to OVN, OVS, and Go, while continuing to bring OpenStack‑grade networking features to Kubernetes.
The Youzan PaaS team migrated its VM‑based test environment to a Kubernetes cluster—integrating GitLab, Jenkins, and Harbor—to cut hardware costs, simplify deployment via Dockerfiles, adopt cloud‑native standards, and gain faster integration cycles, better isolation, and advanced features such as node affinity, security contexts, persistent volumes, and ingress routing.
The project replaces cumbersome manual management of thousands of heterogeneous CPU and GPU nodes for large‑scale reinforcement learning with a TKE‑based, containerized actor‑learner architecture that automates batch start/stop, provides elastic autoscaling, fault‑tolerant processes, shared model storage, and CI‑driven image deployment, cutting costs by up to two‑thirds while dramatically speeding experiment cycles.
This article shares Alibaba Cloud Container Platform's practical experience in improving container resource utilization by dynamically adjusting cgroup limits, describing real‑world challenges, the design of a policy‑engine solution, experimental results, lessons learned, and future directions for cloud‑native workloads.
This article provides a detailed source‑code walkthrough of Kubernetes' kube‑proxy IPVS load‑balancing mode, explaining the command‑line setup with cobra, the internal ProxyServer and Proxier structures, the BoundedFrequencyRunner, ServiceConfig handling, and the core syncProxyRules function that generates IPVS, iptables and ipset rules.
This article examines kube-proxy’s three load‑balancing modes, focusing on the IPVS implementation, and walks through its source code, command‑line setup with cobra, core structures like ProxyServer and Proxier, the async BoundedFrequencyRunner, and the detailed service and endpoint synchronization processes.
This article explains why private Docker image pulls often fail due to credential handling, walks through the OAuth 2.0 protocol, details Docker login and manifest retrieval steps, and shows how Kubernetes automates secure image pulling using secrets, admission controllers, and the Acr credential helper.
This guide walks Kubernetes beginners through the fundamentals of Job, CronJob, and DaemonSet controllers, explaining their use‑cases, key fields such as restartPolicy, backoffLimit, parallelism, and schedule, and provides step‑by‑step YAML examples and command‑line verification to illustrate parallel execution, scheduling, and update strategies.
This article explains Alibaba Cloud Kubernetes cluster networking, detailing the flannel‑based implementation, the three‑level configuration (cluster, node, pod), the role of Cloud Controller Manager, virtual bridge cni0, and how pods achieve local, intra‑node, inter‑node, and external communication.
This article introduces Kubernetes as an industrial‑grade container orchestration platform, explains its key functions, architecture, core API objects such as Pod, Deployment, Service, and Namespace, and walks through a practical Minikube demo covering scheduling, self‑healing, rolling updates, and horizontal scaling.
This tutorial explains Kubernetes resource metadata—including spec, status, labels, annotations, and ownerReferences—demonstrates how to query and modify them with kubectl, and dives into the controller pattern, control loops, and the advantages of declarative APIs over imperative ones.
The article examines three practical ways to adopt Kubernetes—Above, On, and In—explaining their target scenarios, benefits, trade‑offs, and real‑world examples such as Alibaba Sigma, Meituan HULK2.0, JDOS 2.0, and OpenKruise, to help organizations choose the most suitable deployment model.
Istio 1.3 introduces automatic protocol detection, no‑Mixer telemetry, removal of required containerPort declarations, enhanced custom Envoy configuration, region‑aware load balancing and numerous monitoring and debugging improvements, all while keeping the service mesh transparent to applications.
This article explains how to migrate a Mesos+Marathon environment to OpenShift and configure Prometheus Operator ServiceMonitor resources, including service creation, ServiceMonitor definition, and verification steps, with full YAML examples and screenshots of the monitoring UI.
This article introduces Kubernetes' fundamental components such as Pods, Deployments, Services, compares it with Docker Swarm, shares practical usage of the Wayne dashboard, provides deployment best‑practice notes, and presents performance test results of a self‑built cluster versus bare‑metal Java workloads.
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.
This guide details how to prepare two RHEL 7.4 nodes, configure a local Yum repository and HTTP server, set up password‑less SSH, adjust SELinux and iptables, distribute configuration files with Ansible, install Docker and a private registry, and finally deploy an OpenShift 3.11 cluster using the openshift‑ansible playbooks.
This article explains the cloud‑native concept, traces its evolution from early container experiments at Google through Docker and Kubernetes to the rapid growth of CNCF, and outlines the key technologies, immutable‑infrastructure theory, and why 2019 marked a pivotal year for cloud‑native adoption.
This article documents a complete, tested procedure for modifying the domain name of an OpenShift 3.9 cluster from ocp6 to ocp7, covering two configuration methods, required file edits, service restarts, route updates, OAuth client adjustments, and common pitfalls with screenshots and command examples.
This article explains the controller pattern and declarative API in Kubernetes, dives deep into Kubebuilder's architecture—including GVK/GVR, Scheme, Manager, Cache, and Controller components—and provides step‑by‑step guidance with code examples for creating, configuring, and deploying custom resources and their controllers.
This article introduces Kubernetes’ fundamental building blocks such as Pods, Deployments, Services, compares it with Docker Swarm across scheduling, autoscaling, load balancing and disaster recovery, shares practical deployment experiences using the Wayne management tool, provides self‑build setup tips, and presents benchmark results that contrast k8s clusters with bare‑metal Java workloads.
This article demonstrates two approaches for creating an Nginx pod in Kubernetes: using direct kubectl commands to pull the image and run a pod, and defining a pod manifest YAML file with specifications, followed by kubectl create/apply/delete commands.
This article explains fundamental Kubernetes concepts—including containers, pods, nodes, namespaces, services, and labels—highlighting their roles, characteristics, and how they enable lightweight, portable, and efficiently managed cloud‑native applications.
This article explains why Kubernetes introduces Pods as the fundamental scheduling unit, how they map to process groups, the need for atomic scheduling, and the underlying network and storage sharing mechanisms, while also detailing common container design patterns such as Init Containers and Sidecars.
This article introduces Prometheus, compares it with Zabbix, Open‑Falcon and Nagios, explains its architecture, data model, exporters, storage options, query language, alerting and federation, and shares practical deployment experiences and common Q&A for cloud‑native environments.
This guide explains how to build a Docker image that bundles a Jenkins slave with Maven and SonarScanner, and provides a Jenkinsfile that runs SonarScanner inside a Kubernetes pod to perform fast, automated code analysis as part of a CI/CD pipeline.
This article explains how Kubernetes services work as load balancers using per‑node sidecar proxies, the role of kube‑proxy, and the iptables/netfilter mechanisms that implement DNAT for traffic routing within the cluster.
This tutorial explains how to run Apache Flink jobs on Kubernetes by building Docker images, deploying JobManager and TaskManager components with Kubernetes manifests, configuring high‑availability with ZooKeeper and HDFS, and using SavePoints and scaling techniques to manage and extend Flink streaming applications.
This article details Alibaba's experience deploying Kubernetes at massive scale, describing the performance bottlenecks encountered in etcd, API server, controller, and scheduler components, and presenting the concrete engineering improvements—such as storage sharding, lease‑based heartbeats, load‑balancing, watch bookmarks, and hot‑standby controllers—that enabled stable operation of clusters with tens of thousands of nodes.
The article details Tencent Cloud’s YunZhiTianshu AI platform architecture—spanning Docker/Kubernetes infrastructure, storage, six micro‑service layers and API/message gateways—while explaining core module designs, unified algorithm packaging, device and data abstraction, and practical Kubernetes deployment techniques for GPU‑accelerated AI workloads, monitoring, scaling, and security.
This guide walks beginners through deploying PHP and Java web applications on a Kubernetes cluster, covering environment preparation, Docker image creation, namespace and secret setup, writing deployment, service and ingress manifests, and verifying access via host file configuration, illustrating each step with code snippets and diagrams.
This article reviews the evolution of etcd’s read‑write mechanisms, explains the “Fully Concurrent Read” feature introduced in etcd 3.4, and presents experimental results showing how it dramatically reduces expensive read latency and improves overall throughput in Kubernetes clusters.
On September 18, Kubernetes v1.16 was released with 31 enhancements—including GA for custom resources, a revamped metrics system, volume resizing, Windows workload improvements, kubeadm alpha support, CSI integration, and the new Endpoint Slices feature that dramatically improves scalability and network topology handling.
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 walks you through creating a Quarkus‑based microservice with REST endpoints, input validation, unit testing, inter‑service communication, health checks, Swagger UI, local execution, and finally deploying the services to OpenShift using S2I and native image builds.
This guide introduces Kubernetes fundamentals, key features, architecture, and core concepts, then walks through a step‑by‑step kubeadm installation on CentOS, covering environment preparation, master and node setup, network plugin configuration, dashboard deployment, and verification of a functional cluster.
This article shares Alibaba's extensive experience building a Kubernetes‑based logging system, detailing the evolution from single‑machine to containerized environments, the critical role of observability, and the specific technical challenges such as dynamic log sources, integration complexity, and massive scale handling.
Traefik 2.0 finally arrives with major upgrades such as native TCP and SNI routing, unified HTTP/TCP entrypoints, a powerful middleware system, a revamped dashboard, built‑in canary releases via weighted load‑balancing, traffic mirroring, and comprehensive migration tools for moving from 1.x to 2.0.
kubeman is a lightweight UI tool that replaces kubectl for monitoring and managing Kubernetes clusters, offering streamlined operations such as cluster selection, namespace filtering, searchable recipes, output grouping, auto‑refresh, and command shortcuts, making complex debugging and Istio troubleshooting more accessible.
Learn how Kubernetes distinguishes compressible (CPU) and non‑compressible (memory, storage) resources, why default kubelet settings can cause resource contention, and how to use the Node Allocatable feature—configuring kube‑reserved, system‑reserved, and eviction thresholds—to safely reserve resources for system daemons and avoid cluster instability.
The CNCF has launched its first Application Delivery SIG, outlining its mission to standardize cloud‑native application management, define a layered delivery model, and foster collaboration among Kubernetes, serverless, and service‑mesh communities, with Alibaba sharing its practical experiences and future plans.
This article presents a comprehensive overview of Netflix's chaos engineering journey, detailing its origins, the development of the Simian Army tools, core principles, practical steps, and applications in Kubernetes environments, offering valuable insights for reliable DevOps practices.
This guide provides a comprehensive, command‑by‑command procedure for preparing a CentOS system, installing Docker and Kubernetes components, configuring networking and security settings, and deploying both master and worker nodes along with the Kubernetes Dashboard.
This article provides a concise, beginner-friendly overview of Kubernetes, covering its origins, key concepts such as Pods, Nodes, Labels, Service Discovery, ReplicaSet, DaemonSet, StatefulSet, Jobs, ConfigMaps, Secrets, Deployments, and Storage, and explains how each component fits into a cloud‑native architecture.
Meituan’s HULK platform evolved from an OpenStack‑based scheduler to a Kubernetes‑native container cluster manager, integrating service governance, release, CMDB, and monitoring to automate VM‑to‑container migration, improve resource utilization, and deliver elastic, policy‑driven scheduling and scaling with reduced troubleshooting time and higher SLA compliance.
This article introduces the Helm Hub China mirror, showcases award‑winning Helm charts from a cloud‑native app competition, and provides a detailed tutorial on creating, packaging, testing, and publishing your own Helm chart with practical code snippets and configuration examples.
This roundup covers the Helm team’s push for v3 migration, the 2020 KubeCon schedule, Contour v0.15’s leader‑election feature, Google’s Cloud Dataproc on Kubernetes, several Kubernetes Enhancement Proposals, bug fixes, and a curated list of open‑source service‑mesh and tooling projects.
The article explains Kubernetes’ static scheduler causes fragmented, under‑utilized clusters, then proposes dynamic techniques—pod resource compression, node resource oversell via admission webhooks, and an enhanced per‑HPA autoscaling controller—while outlining future scheduler extensions, monitoring integration with Tencent Cloud, and a senior cloud‑native engineer recruitment call.
ElasticDL, the first industry‑level open‑source system for elastic deep learning on TensorFlow, leverages Kubernetes‑native scheduling, fault‑tolerance, and TensorFlow 2.0 Eager Execution to dramatically improve cluster utilization, simplify distributed training, and integrate seamlessly with tools like Kubeflow and SQLFlow.
