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Ray's Galactic Tech
Ray's Galactic Tech
Jul 14, 2026 · Cloud Native

Spring Boot + Netty MQTT Gateway for Million Connections & Millisecond Push

To support millions of persistent MQTT connections with sub‑millisecond latency, the article walks through a Spring Boot + Netty cloud‑native gateway design that separates connection, event, state and governance planes, details async authentication, back‑pressure handling, command state machines, and loss‑less Kubernetes roll‑outs.

High ConcurrencyKafkacloud-native
0 likes · 38 min read
Spring Boot + Netty MQTT Gateway for Million Connections & Millisecond Push
Golang Shines
Golang Shines
Jul 14, 2026 · Cloud Native

How to Build a Kubernetes Cluster from Scratch: Step‑by‑Step Guide

This article walks you through planning, hardware preparation, system initialization, Docker and kubeadm installation, certificate generation, etcd deployment, master and node component configuration, CNI networking, TLS bootstrapping, and final verification to create a fully functional Kubernetes cluster from the ground up.

CNIDockerTLS
0 likes · 26 min read
How to Build a Kubernetes Cluster from Scratch: Step‑by‑Step Guide
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Jul 14, 2026 · Cloud Native

Using Pod Overhead and Kata Containers to Isolate Kernel Memory and Stop Container Slab Leaks

The article explains how intensive file‑system reads in a Kubernetes pod cause kernel slab memory to balloon, why standard cgroup limits cannot contain the leak, and demonstrates step‑by‑step how configuring Pod Overhead with Kata containers creates a separate sandbox cgroup that isolates kernel memory, preventing host‑level OOM.

Kata ContainersPod Overheadcgroup
0 likes · 12 min read
Using Pod Overhead and Kata Containers to Isolate Kernel Memory and Stop Container Slab Leaks
Cloud Architecture
Cloud Architecture
Jul 13, 2026 · Cloud Native

Ultimate Guide to Choosing the Right kube-proxy Mode for Production Kubernetes

This comprehensive guide explains how kube-proxy drives Service traffic in Kubernetes, compares userspace, iptables, IPVS, nftables and eBPF modes, and provides a four‑dimensional decision framework, migration steps, monitoring practices, and real‑world examples to help operators select the optimal mode for their clusters.

IPVSiptableskube-proxy
0 likes · 25 min read
Ultimate Guide to Choosing the Right kube-proxy Mode for Production Kubernetes
Raymond Ops
Raymond Ops
Jul 11, 2026 · Cloud Native

Kubernetes HPA & VPA Auto-Scaling: Elastic Strategies for Traffic Spikes

An in‑depth comparison of Kubernetes Horizontal and Vertical Pod Autoscalers—including algorithms, configurations, performance benchmarks, mixed‑mode trade‑offs, custom‑metric integrations, and real‑world case studies—demonstrates how to choose and tune HPA, VPA, and KEDA for rapid traffic spikes while avoiding conflicts.

KEDAVPAautoscaling
0 likes · 47 min read
Kubernetes HPA & VPA Auto-Scaling: Elastic Strategies for Traffic Spikes
Java Backend Technology
Java Backend Technology
Jul 9, 2026 · Cloud Native

Quarkus 3.37 Beats Spring Boot: 50× Faster Startup and 70% Less Memory

Quarkus 3.37, released on June 24, 2026, introduces experimental JLink support, a full Hibernate ORM 7.4 upgrade, a reflection‑free Jackson serializer, AI‑native extensions, and numerous bug fixes, delivering up to 50‑fold faster startup, 70% lower memory usage, and measurable performance gains for Java cloud‑native applications.

AIHibernateJackson
0 likes · 11 min read
Quarkus 3.37 Beats Spring Boot: 50× Faster Startup and 70% Less Memory
IT Learning Made Simple
IT Learning Made Simple
Jul 8, 2026 · Cloud Native

From “Sheep a Sheep” to “Pull the Cupping”: Unpacking the IT Architecture and Stress‑Relief Secrets of a Hit Mini‑Game

The article breaks down the simple yet addictive gameplay of “Pull the Cupping” and explains how its three‑layer WeChat mini‑game architecture—native engine, JavaScript logic, and resource rendering—delivers cross‑platform support, performance optimization, and cloud‑backed social features, making it both a stress‑relief tool and a learning case for IT enthusiasts.

Cloud ServicesGame ArchitectureJavaScript
0 likes · 8 min read
From “Sheep a Sheep” to “Pull the Cupping”: Unpacking the IT Architecture and Stress‑Relief Secrets of a Hit Mini‑Game
ITPUB
ITPUB
Jul 7, 2026 · Cloud Native

Docker Desktop Gets Expensive—Is Container Desktop the Free, Lightweight Replacement?

With Docker Desktop now requiring a subscription, many developers seek a free alternative; this article examines Container Desktop, highlighting its open‑source nature, lower resource consumption, and full Docker‑ecosystem compatibility, and provides a step‑by‑step guide to install and use it.

Container DesktopDockerOpen Source
0 likes · 6 min read
Docker Desktop Gets Expensive—Is Container Desktop the Free, Lightweight Replacement?
dbaplus Community
dbaplus Community
Jul 6, 2026 · Cloud Native

Why Companies Are Switching from Kubernetes to K3s: Simplicity, Stability, and Low Overhead

The article explains how K3s, a lightweight, production‑grade Kubernetes distribution, reduces component count, memory usage, and installation complexity, making it ideal for small‑to‑medium enterprises, edge, IoT, and AI projects, while still offering API compatibility and optional high‑availability, and compares its trade‑offs with full‑size Kubernetes.

InstallationK3sedge computing
0 likes · 7 min read
Why Companies Are Switching from Kubernetes to K3s: Simplicity, Stability, and Low Overhead
Java Tech Enthusiast
Java Tech Enthusiast
Jul 6, 2026 · Cloud Native

Why Use Service Registry & Discovery When Nginx Already Handles Load Balancing?

The article analyzes Nginx's static upstream load balancing limitations—manual configuration, passive health checks, and inability to handle elastic scaling—and explains how service registries provide real‑time instance awareness, client‑side load balancing, metadata‑driven routing, and seamless scaling for microservices.

Load BalancingMicroservicesNginx
0 likes · 9 min read
Why Use Service Registry & Discovery When Nginx Already Handles Load Balancing?
Java Architect Handbook
Java Architect Handbook
Jul 6, 2026 · Cloud Native

Why We Dropped Nacos for Apollo: A Hands‑On Guide to Configuration Management

This article explains why the team replaced Nacos with Ctrip's open‑source Apollo configuration center, outlines Apollo's core concepts, features, and architecture, and provides step‑by‑step instructions for creating projects, testing dynamic updates, exploring environments, clusters, namespaces, and deploying a SpringBoot application on Kubernetes.

ApolloConfiguration CenterJava
0 likes · 28 min read
Why We Dropped Nacos for Apollo: A Hands‑On Guide to Configuration Management
Full-Stack DevOps & Kubernetes
Full-Stack DevOps & Kubernetes
Jul 6, 2026 · Cloud Native

Taming Massive Alert Noise: A Hands‑On Guide to AI‑Driven Dynamic Thresholds for Prometheus

This article presents a practical solution that uses Facebook Prophet time‑series AI to automatically calibrate dynamic alert thresholds in Prometheus, reducing over‑80% of false alarms in Kubernetes environments by learning business cycles and updating rules hourly without manual intervention.

AIOpsDynamic ThresholdFacebook Prophet
0 likes · 10 min read
Taming Massive Alert Noise: A Hands‑On Guide to AI‑Driven Dynamic Thresholds for Prometheus
ThinkingAgent
ThinkingAgent
Jul 4, 2026 · Cloud Native

Building the AI Infra Foundation: L0 Resource Layer for GPU Scheduling and Cloud‑Native Architecture

The article presents a detailed, step‑by‑step analysis of the L0 resource layer that underpins AI infrastructure, covering GPU scheduling, multi‑tier storage, low‑latency networking, core architectural components, key technologies such as MIG, Volcano, Kueue and RDMA, practical implementation patterns, quantitative acceptance criteria, and common pitfalls with best‑practice mitigations.

AI InfrastructureGPU schedulingJuiceFS
0 likes · 26 min read
Building the AI Infra Foundation: L0 Resource Layer for GPU Scheduling and Cloud‑Native Architecture
21CTO
21CTO
Jul 1, 2026 · Cloud Native

Microsoft Unveils Linux Containers for Native Windows Execution

Microsoft's preview adds a built‑in Linux container CLI and API, letting developers run Linux containers directly on Windows without third‑party tools, while introducing a new filesystem, network mode, and programmatic integration for Windows apps.

APICLIContainerization
0 likes · 5 min read
Microsoft Unveils Linux Containers for Native Windows Execution
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jun 29, 2026 · Cloud Native

How Argo Workflows and Alibaba Cloud ACS Redefine Gene Analysis Pipelines

By combining Alibaba Cloud's fully managed Argo Workflows with ACS's elastic compute, a gene bioinformatics platform boosted workflow efficiency by 70%, cut costs over 50% and reduced operational complexity 70%, delivering scalable, cost‑effective support for single‑cell, spatial transcriptomics and epigenomics research.

ACSAlibaba CloudArgo Workflows
0 likes · 8 min read
How Argo Workflows and Alibaba Cloud ACS Redefine Gene Analysis Pipelines