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Programmer DD
Programmer DD
Jan 13, 2021 · Backend Development

Mastering Nginx: From Reverse Proxy to High‑Availability Load Balancing

This guide explains Nginx’s core concepts—including reverse and forward proxy, load‑balancing strategies, static‑dynamic separation, essential commands, configuration file structure, practical reverse‑proxy setups, load‑balancing implementations, and high‑availability clustering with keepalived—providing a complete roadmap for building robust backend services.

Server Configurationbackend-developmenthigh availability
0 likes · 10 min read
Mastering Nginx: From Reverse Proxy to High‑Availability Load Balancing
Programmer DD
Programmer DD
Jan 12, 2021 · Databases

NewSQL vs Sharding: Which Database Architecture Truly Wins?

This article objectively compares NewSQL distributed databases with middleware‑based sharding solutions, examining their architectural differences, distributed transaction handling, high‑availability mechanisms, scaling and sharding strategies, SQL support, storage engines, and overall maturity to help readers decide which approach best fits their workload.

NewSQLdistributed databaseshigh availability
0 likes · 21 min read
NewSQL vs Sharding: Which Database Architecture Truly Wins?
Efficient Ops
Efficient Ops
Jan 12, 2021 · Operations

Master Nginx: From Reverse Proxy Basics to High‑Availability Load Balancing

This article explains Nginx’s core concepts—including reverse proxy, load balancing, static‑dynamic separation, common commands, configuration blocks, and high‑availability setup with Keepalived—providing step‑by‑step guidance and practical examples for building robust web infrastructure.

NginxOperationshigh availability
0 likes · 11 min read
Master Nginx: From Reverse Proxy Basics to High‑Availability Load Balancing
Big Data Technology & Architecture
Big Data Technology & Architecture
Jan 12, 2021 · Backend Development

go-mysql-transfer: A Go-Based Real-Time MySQL Binlog Incremental Sync Tool

The article introduces go-mysql-transfer, a Go-implemented MySQL binlog incremental synchronization solution that avoids extra components, supports multiple downstreams like Redis, offers Lua scripting, Prometheus monitoring, high‑availability clustering, retry mechanisms, full data initialization, and provides installation, deployment, and performance testing details.

BinlogGoPrometheus
0 likes · 12 min read
go-mysql-transfer: A Go-Based Real-Time MySQL Binlog Incremental Sync Tool
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Jan 9, 2021 · Backend Development

Preventing Redis Cache Avalanche: Interview Dialogue and Practical Solutions

This article presents an interview scenario where a candidate is asked about Redis cache avalanche, explains the phenomenon, and offers four practical mitigation strategies—including cache pre‑warming, mutex locking, staggered expiration, and high‑availability designs—to keep backend databases from being overwhelmed.

Backendcache-avalanchecaching strategies
0 likes · 4 min read
Preventing Redis Cache Avalanche: Interview Dialogue and Practical Solutions
21CTO
21CTO
Jan 6, 2021 · Databases

Step-by-Step Guide to Building and Scaling a Redis Cluster on Redis 6.0+

This tutorial walks through setting up a Redis Cluster on a single server with six nodes, covering node startup, handshake, slot assignment, master‑slave replication, command routing, fault‑tolerance, and practical scaling operations such as adding, rebalancing, and removing nodes.

ClusterRedis 6.0Redis CLI
0 likes · 25 min read
Step-by-Step Guide to Building and Scaling a Redis Cluster on Redis 6.0+
Programmer DD
Programmer DD
Jan 6, 2021 · Backend Development

Choosing the Right Nacos Cluster Deployment: Direct, VIP, or Address Server

This article compares three Nacos cluster deployment patterns—direct connection, VIP (Virtual IP), and address server—detailing their configurations, advantages, and trade‑offs for high availability, scalability, and operational complexity in production environments.

BackendDeploymentMicroservices
0 likes · 14 min read
Choosing the Right Nacos Cluster Deployment: Direct, VIP, or Address Server
Liangxu Linux
Liangxu Linux
Jan 4, 2021 · Databases

Mastering MySQL Replication: Types, Setup, and Troubleshooting Guide

This article provides a comprehensive guide to MySQL replication, covering built‑in replication types, the three‑step replication workflow, detailed master‑slave configuration commands, topology options, cloning methods, binlog formats, replication files, filtering, and common error scenarios with solutions.

Master‑Slavebinary logdatabase
0 likes · 28 min read
Mastering MySQL Replication: Types, Setup, and Troubleshooting Guide
Programmer DD
Programmer DD
Jan 4, 2021 · Cloud Native

How Nacos Guarantees High Availability for Service Registries

This article explains how Nacos achieves high availability through client retry mechanisms, the distro consistency protocol, local cache failover, heartbeat synchronization, and robust cluster deployment strategies, providing a comprehensive guide for selecting a reliable service registry in microservice architectures.

DubboKubernetesMicroservices
0 likes · 15 min read
How Nacos Guarantees High Availability for Service Registries
Code Ape Tech Column
Code Ape Tech Column
Dec 30, 2020 · Industry Insights

Why Does a Single Kafka Broker Failure Bring Down Your Consumers?

The article explains Kafka's high‑availability architecture, covering multi‑replica redundancy, ISR mechanisms, producer acknowledgment settings, and a real‑world case where a broker crash halted consumption due to the __consumer_offsets topic's replication factor, then offers concrete remediation steps.

Consumer OffsetsISRKafka
0 likes · 10 min read
Why Does a Single Kafka Broker Failure Bring Down Your Consumers?
Selected Java Interview Questions
Selected Java Interview Questions
Dec 27, 2020 · Operations

Kafka Outage and High Availability Mechanisms

This article examines a Kafka outage scenario in a fintech company, explains Kafka’s multi-replica redundancy design, leader‑follower architecture, ISR mechanism, and how misconfiguration of the __consumer_offset topic can cause cluster-wide consumer failures, and provides solutions to ensure true high availability.

ACKConsumer OffsetISR
0 likes · 10 min read
Kafka Outage and High Availability Mechanisms
MaGe Linux Operations
MaGe Linux Operations
Dec 27, 2020 · Cloud Native

Build a Highly Available Harbor Registry with Dual-Master Replication

This guide explains how to deploy an enterprise‑grade Harbor Docker registry in a high‑availability setup using dual‑master replication and shared NFS storage, covering architecture concepts, required software versions, installation of Docker, Compose, NFS, PostgreSQL, Redis, Harbor configuration, and Nginx load‑balancing.

Cloud NativeDockerHarbor
0 likes · 18 min read
Build a Highly Available Harbor Registry with Dual-Master Replication
Code Ape Tech Column
Code Ape Tech Column
Dec 23, 2020 · Fundamentals

Technical Concepts Illustrated Through Relationship Analogies

The article humorously maps various relationship scenarios to core IT concepts such as backup strategies, high‑availability mechanisms, scaling methods, security measures, cloud services, and big‑data techniques, providing an engaging overview of fundamental system design principles.

BackupBig DataSystem Design
0 likes · 8 min read
Technical Concepts Illustrated Through Relationship Analogies
Alibaba Cloud Native
Alibaba Cloud Native
Dec 21, 2020 · Operations

How to Build Multi‑Site High Availability with AHAS‑MSHA: Real‑World E‑Commerce Cases

This article explains the challenges of achieving high availability in unreliable environments, introduces disaster‑tolerance concepts and RPO/RTO metrics, describes Alibaba Cloud's AHAS‑MSHA multi‑site solution and its key features, and walks through two e‑commerce case studies that demonstrate implementation steps, fault‑injection drills, and recovery verification.

AHASMSHAMulti‑Site
0 likes · 14 min read
How to Build Multi‑Site High Availability with AHAS‑MSHA: Real‑World E‑Commerce Cases
Java Backend Technology
Java Backend Technology
Dec 19, 2020 · Databases

Deep Dive into Redis: Data Structures, Persistence, and High Availability

This comprehensive guide explores Redis internals, covering its core data types and their low‑level implementations, persistence mechanisms like RDB and AOF, performance tricks, common pitfalls such as cache avalanche and split‑brain, distributed locking strategies, expiration and eviction policies, high‑availability architectures, and rate‑limiting techniques.

Persistencehigh availabilityrate limiting
0 likes · 35 min read
Deep Dive into Redis: Data Structures, Persistence, and High Availability
Qunar Tech Salon
Qunar Tech Salon
Dec 15, 2020 · Databases

Database Migration and Architecture Upgrade at Qunar: From MMM to PXC

This article analyzes common database migration strategies, compares two approaches—master‑slave cut‑over and proxy‑based migration—describes Qunar's internal MMM and Percona XtraDB Cluster (PXC) architectures, and details a step‑by‑step, zero‑downtime migration process from MMM to PXC with practical lessons and best practices.

MMMPXCZero Downtime
0 likes · 15 min read
Database Migration and Architecture Upgrade at Qunar: From MMM to PXC
Architecture Digest
Architecture Digest
Dec 12, 2020 · Backend Development

Comprehensive Guide to Nginx: Concepts, Installation, Configuration, Load Balancing, and High Availability

This article provides a detailed overview of Nginx, covering its core concepts, installation steps on Linux, configuration files, common commands, reverse proxy and load‑balancing setups, static‑dynamic separation, and high‑availability solutions using Keepalived, offering practical examples and code snippets throughout.

Linux InstallationNginxhigh availability
0 likes · 12 min read
Comprehensive Guide to Nginx: Concepts, Installation, Configuration, Load Balancing, and High Availability
IT Architects Alliance
IT Architects Alliance
Dec 10, 2020 · Industry Insights

How Alipay Handles 540K TPS: Inside LDC’s Unit‑Based Architecture and CAP Strategies

This article analyzes the massive traffic handling of Alipay during Double 11, explaining the LDC (Logical Data Center) unit‑based design, the RZone‑GZone‑CZone hierarchy, traffic steering, disaster‑recovery mechanisms, and how OceanBase and Paxos enable CAP compliance for ultra‑high‑availability payments.

CAP theoremDistributed SystemsLDC architecture
0 likes · 38 min read
How Alipay Handles 540K TPS: Inside LDC’s Unit‑Based Architecture and CAP Strategies
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Dec 10, 2020 · Databases

How Ant Financial’s LDC Architecture Scales to 540k TPS on Double‑11

This article explains how Ant Financial’s logical data center (LDC) architecture, based on user‑sharded RZones, GZones, and CZones, combined with OceanBase’s Paxos‑based consensus, enables massive horizontal scaling, high availability, and disaster‑tolerant processing of over half a million payment transactions per second during Double‑11.

CAP theoremDistributed SystemsOceanBase
0 likes · 35 min read
How Ant Financial’s LDC Architecture Scales to 540k TPS on Double‑11
Top Architect
Top Architect
Dec 9, 2020 · Operations

Designing High Availability for Redis Using Sentinel

This article explains how Redis Sentinel provides high‑availability for Redis clusters by monitoring masters and slaves, automatically failing over to a new master, and offering three methods for receiving failover notifications, while recommending an indirect‑service approach for scalable integration.

ConfigurationOperationsfailover
0 likes · 7 min read
Designing High Availability for Redis Using Sentinel
Alibaba Cloud Native
Alibaba Cloud Native
Dec 4, 2020 · Cloud Native

How Sentinel Go Guarantees Microservice Stability in Cloud‑Native Environments

This article explains how Sentinel Go, Alibaba’s open‑source flow‑control library, provides high‑availability protection for microservices through traffic shaping, warm‑up, concurrency control, hotspot limiting, and adaptive system protection, and describes its cloud‑native integrations such as Kubernetes CRD data sources, Service Mesh support, and HPA‑based scaling.

Cloud NativeGohigh availability
0 likes · 17 min read
How Sentinel Go Guarantees Microservice Stability in Cloud‑Native Environments
Aikesheng Open Source Community
Aikesheng Open Source Community
Dec 4, 2020 · Databases

Effect of Floating IP (SIP) Switch on MySQL Connections and the Importance of TCP Keepalive

The article describes an experiment that shows when a floating IP (SIP) moves between MySQL servers, existing client connections experience long delays until TCP keepalive detects the failure, highlighting the need to configure shorter keepalive intervals for high‑availability database deployments.

Database ConnectivityFloating IPhigh availability
0 likes · 4 min read
Effect of Floating IP (SIP) Switch on MySQL Connections and the Importance of TCP Keepalive
DevOps Cloud Academy
DevOps Cloud Academy
Dec 3, 2020 · Cloud Native

Deploying a Highly Available WordPress Application on Kubernetes with Rolling Updates, HPA, and Ingress

This guide walks through deploying WordPress on Kubernetes with persistent storage, multi‑replica deployments, high‑availability configurations, health checks, pod anti‑affinity, PodDisruptionBudgets, QoS settings, rolling updates, automatic scaling via HPA, secure Secrets, and HTTPS exposure through Ingress, providing complete YAML manifests and command‑line steps.

Horizontal Pod AutoscalingIngressRolling Update
0 likes · 32 min read
Deploying a Highly Available WordPress Application on Kubernetes with Rolling Updates, HPA, and Ingress
IT Architects Alliance
IT Architects Alliance
Dec 2, 2020 · Operations

Understanding High Availability: Sources of Complexity and Decision Strategies

The article explains high availability as a source of system complexity, describing how redundancy, hardware and software failures, external disasters, and state‑decision mechanisms such as dictatorial, negotiated, and democratic approaches affect both compute and storage layers, and discusses trade‑offs like the CAP theorem.

CAP theoremDistributed SystemsSystem Design
0 likes · 12 min read
Understanding High Availability: Sources of Complexity and Decision Strategies
Efficient Ops
Efficient Ops
Dec 1, 2020 · Operations

Zero‑Downtime Ops: Inside Tencent’s Panshi High‑Availability Platform

At the 2020 GOPS Global Operations Conference, Tencent’s senior operations engineer Xie Hailin detailed the design and implementation of the Panshi platform—a comprehensive, high‑availability solution that unifies change management, fault handling, continuous operation, and disaster recovery to ensure uninterrupted payment services for billions of daily transactions.

Operationsaiopschange management
0 likes · 24 min read
Zero‑Downtime Ops: Inside Tencent’s Panshi High‑Availability Platform
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Dec 1, 2020 · Databases

Analysis of Redis Master‑Slave Replication and Cluster Working Principles

This article explains the mechanisms of Redis master‑slave data synchronization—including full and partial resynchronization—details the internal workings of Redis clustering, slot assignment, automatic node detection, and failover recovery, and provides practical insights for building reliable Redis deployments.

ClusterReplicationdata synchronization
0 likes · 12 min read
Analysis of Redis Master‑Slave Replication and Cluster Working Principles
Programmer DD
Programmer DD
Nov 30, 2020 · Operations

Mastering High Availability: From Cold Backup to Multi‑Active Deployments

This article explains how backend services can be classified as stateless or stateful and explores a range of high‑availability strategies—from simple cold backups and active‑standby setups to same‑city, cross‑city, and multi‑active architectures—highlighting their trade‑offs and implementation considerations.

backend servicesdisaster recoveryhigh availability
0 likes · 14 min read
Mastering High Availability: From Cold Backup to Multi‑Active Deployments
Top Architect
Top Architect
Nov 28, 2020 · Operations

Comprehensive Nginx Guide: Architecture, Reverse Proxy, Load Balancing, Static/Dynamic Separation, and High Availability

This article provides a detailed overview of Nginx, covering its high‑performance architecture, reverse‑proxy concepts, load‑balancing strategies, static‑dynamic separation techniques, common command‑line operations, configuration file structure, practical reverse‑proxy and load‑balancing examples, and a high‑availability solution using Keepalived.

OperationsServer Configurationhigh availability
0 likes · 10 min read
Comprehensive Nginx Guide: Architecture, Reverse Proxy, Load Balancing, Static/Dynamic Separation, and High Availability
Practical DevOps Architecture
Practical DevOps Architecture
Nov 28, 2020 · Databases

Features, Fault Detection, Limitations, and Deployment Scripts for MySQL Group Replication (MGR)

This article outlines MySQL Group Replication’s key features, fault-detection mechanism, limitations, required environment, and step-by-step deployment scripts, providing a practical guide for setting up a high-availability MySQL cluster on CentOS using the provided shell scripts and configuration files.

Group ReplicationMGRReplication
0 likes · 6 min read
Features, Fault Detection, Limitations, and Deployment Scripts for MySQL Group Replication (MGR)
DeWu Technology
DeWu Technology
Nov 25, 2020 · Mobile Development

High-Availability Log Retrieval for Mobile Debugging

The session introduces a high‑availability log retrieval platform that tackles mobile debugging challenges—device fragmentation, unstable networks, and delayed logs—by automating command dispatch, client uploads, and notifications, employing a four‑role architecture with real‑time push, fallback mechanisms, and SDKs for logging and retrieval, while planning broader app support, multi‑user tasks, and richer log types.

AndroidSDKhigh availability
0 likes · 6 min read
High-Availability Log Retrieval for Mobile Debugging
Architects' Tech Alliance
Architects' Tech Alliance
Nov 22, 2020 · Databases

Database High Availability: HADR, HACMP, Data Replication, Storage DR, and DPF Solutions

This article provides a comprehensive overview of database high‑availability techniques—including DB2 HADR, HACMP clustering, SQL and Q replication, storage‑layer disaster recovery, and DPF considerations—explaining their features, suitable scenarios, and how they can be combined to achieve robust end‑to‑end resilience.

DB2HADRReplication
0 likes · 11 min read
Database High Availability: HADR, HACMP, Data Replication, Storage DR, and DPF Solutions
Architecture Digest
Architecture Digest
Nov 21, 2020 · Operations

Understanding and Handling ZooKeeper Split‑Brain Issues

This article explains the causes of ZooKeeper split‑brain situations, why odd‑numbered node deployments are preferred, how the quorum (majority) rule prevents split‑brain, and outlines practical methods such as quorum configuration, redundant communication, fencing, and pause‑before‑failover to handle and avoid the issue.

Cluster ManagementSplit-Brainhigh availability
0 likes · 13 min read
Understanding and Handling ZooKeeper Split‑Brain Issues
Top Architect
Top Architect
Nov 19, 2020 · Backend Development

Step-by-Step Guide to Building a Spring Cloud Eureka Server and Client with High Availability

This tutorial walks through creating a Spring Cloud microservice ecosystem by configuring a Eureka registration server, building a service provider and consumer with Spring Boot, demonstrating REST‑template and Ribbon integration, and setting up high‑availability Eureka clusters using multiple instances and load‑balancing strategies.

Spring BootSpring Cloudeureka
0 likes · 16 min read
Step-by-Step Guide to Building a Spring Cloud Eureka Server and Client with High Availability
IT Architects Alliance
IT Architects Alliance
Nov 5, 2020 · Industry Insights

How Do Massive Websites Scale? Key Architecture Patterns Unveiled

This article examines the defining traits of large‑scale web systems and walks through the step‑by‑step evolution of their architecture—from single‑server LAMP setups to multi‑layer, distributed, and automated designs—highlighting performance, availability, scalability, and security considerations.

Distributed SystemsScalabilityarchitecture
0 likes · 18 min read
How Do Massive Websites Scale? Key Architecture Patterns Unveiled
Java Captain
Java Captain
Nov 5, 2020 · Cloud Native

Step-by-Step Guide to Building a Spring Cloud Microservices System with Eureka, Ribbon, and Feign

This tutorial walks through creating a Spring Cloud microservices architecture using Spring Boot, Eureka service registry, Ribbon load balancing, and Feign clients, covering project initialization in IntelliJ IDEA, Maven configuration, YAML setup, service implementation, high‑availability Eureka server clustering, and testing the end‑to‑end workflow.

RibbonSpring BootSpring Cloud
0 likes · 17 min read
Step-by-Step Guide to Building a Spring Cloud Microservices System with Eureka, Ribbon, and Feign
Aikesheng Open Source Community
Aikesheng Open Source Community
Nov 3, 2020 · Databases

Using GTID for Multi‑Source Replication in MySQL

This article explains why GTID‑based replication is preferred for synchronizing data from four regional factories to an IDC, and provides a step‑by‑step guide—including data export, GTID configuration, master‑slave channel setup, adding a new slave, and important precautions—for successful multi‑source MySQL replication.

BackupGTIDMulti-Source Replication
0 likes · 8 min read
Using GTID for Multi‑Source Replication in MySQL
Programmer DD
Programmer DD
Nov 1, 2020 · Backend Development

Master Nginx: Architecture, Installation, Commands, and High‑Availability Guide

This comprehensive guide covers Nginx's architecture, reverse proxy and load‑balancing concepts, static‑dynamic separation, Linux installation steps, common command‑line usage, configuration file structure, practical reverse‑proxy and load‑balancing setups, high‑availability with keepalived, and the underlying master‑worker process model.

Nginxhigh availabilityload balancing
0 likes · 13 min read
Master Nginx: Architecture, Installation, Commands, and High‑Availability Guide
Suning Technology
Suning Technology
Oct 30, 2020 · Operations

Designing Suning’s Multi‑Data‑Center Active‑Active Architecture for Scalable E‑Commerce

Suning built a multi‑data‑center active‑active solution that combines primary‑backup, same‑city active‑active, and full multi‑active modes, defines top‑level design goals, values and principles, and implements a comprehensive architecture, routing, high‑availability, hybrid‑cloud and disaster‑recovery strategy to support massive e‑commerce growth.

Multi-Data Centercloud architecturedisaster recovery
0 likes · 22 min read
Designing Suning’s Multi‑Data‑Center Active‑Active Architecture for Scalable E‑Commerce
ITPUB
ITPUB
Oct 30, 2020 · Databases

From Simple Cache to Distributed System: Understanding Redis’s Evolution

This article walks through Redis’s role as an in‑memory data store, explains how simple HTTP caching evolves into server‑side memory caching, and details the progression to high‑availability and distributed architectures with persistence, Sentinel, replication, clustering, and advanced features like transactions, Lua scripting, pipelining, and distributed locks.

ClusterData TypesIn-Memory Database
0 likes · 15 min read
From Simple Cache to Distributed System: Understanding Redis’s Evolution
Top Architect
Top Architect
Oct 22, 2020 · Databases

Designing High Availability for Redis with Sentinel

This article explains how to use Redis Sentinel to achieve high availability, covering its core functions, configuration steps, three methods of receiving failover notifications, and a recommended overall design with diagrams and code examples.

Configurationdatabasefailover
0 likes · 9 min read
Designing High Availability for Redis with Sentinel
ITPUB
ITPUB
Oct 21, 2020 · Databases

Mastering Redis Persistence: When to Use RDB vs AOF

This article explains how Redis achieves high availability through data persistence, master‑slave replication, automatic failover and clustering, and compares the two core persistence mechanisms—RDB snapshots and AOF append‑only logs—detailing their commands, advantages, disadvantages, suitable scenarios, and performance trade‑offs.

AOFPersistenceRDB
0 likes · 9 min read
Mastering Redis Persistence: When to Use RDB vs AOF
ITPUB
ITPUB
Oct 20, 2020 · Databases

Redis Persistence Explained: RDB vs AOF and How to Choose the Right Strategy

This article explains how Redis achieves high availability through data persistence, detailing the two main mechanisms—RDB snapshots and AOF logs—their commands, advantages, disadvantages, configuration options, performance trade‑offs, and guidance on selecting the appropriate method for different workloads.

AOFPersistenceRDB
0 likes · 10 min read
Redis Persistence Explained: RDB vs AOF and How to Choose the Right Strategy
DataFunTalk
DataFunTalk
Oct 19, 2020 · Big Data

Impala Optimization and Practices at NetEase Big Data Platform

This article presents a comprehensive overview of NetEase's use of Impala as an OLAP query engine, detailing its architectural advantages, performance benefits, enhancements such as management servers, metadata synchronization, high‑availability via Zookeeper, expanded storage support, and real‑world deployment cases in the "Mammoth" platform and NetEase Cloud Music.

ImpalaMetadata SyncOLAP
0 likes · 11 min read
Impala Optimization and Practices at NetEase Big Data Platform
Top Architect
Top Architect
Oct 12, 2020 · Backend Development

Nginx Overview: Architecture, Reverse Proxy, Load Balancing, Static/Dynamic Separation, and High Availability

This article provides a comprehensive guide to Nginx, covering its high‑performance architecture, reverse‑proxy and load‑balancing concepts, static‑dynamic separation, common commands, configuration file structure, practical deployment examples, and high‑availability setup using Keepalived.

Operationshigh availabilityload balancing
0 likes · 11 min read
Nginx Overview: Architecture, Reverse Proxy, Load Balancing, Static/Dynamic Separation, and High Availability
Top Architect
Top Architect
Oct 7, 2020 · Databases

Redis vs Memcached: A Comprehensive Technical Comparison

This article systematically compares Redis and Memcached across thread models, supported data structures, eviction strategies, pipelining, transactions, persistence, high‑availability mechanisms, and clustering, helping developers choose the most suitable in‑memory database for their specific workload requirements.

In-Memory DatabaseMemcachedhigh availability
0 likes · 9 min read
Redis vs Memcached: A Comprehensive Technical Comparison
Top Architect
Top Architect
Oct 3, 2020 · Backend Development

Nginx Knowledge Map: Reverse Proxy, Load Balancing, Static/Dynamic Separation, High Availability and Practical Configuration

This article provides a comprehensive guide to Nginx, covering its architecture, forward and reverse proxy concepts, load‑balancing strategies, static‑dynamic separation, installation commands, configuration file structure, practical reverse‑proxy and load‑balancing examples, and high‑availability setup using Keepalived.

high availabilitykeepalivedload balancing
0 likes · 10 min read
Nginx Knowledge Map: Reverse Proxy, Load Balancing, Static/Dynamic Separation, High Availability and Practical Configuration
Tencent Cloud Developer
Tencent Cloud Developer
Oct 1, 2020 · Cloud Computing

Evolution of Architecture and High‑Availability Design: Insights from Tencent Cloud Experts

In a Cloud+ community salon, three Tencent Cloud senior engineers dissect the three‑stage evolution of software architecture—from monolithic to distributed to AI‑driven—share the iterative design of Tencent Cloud Disk, outline request‑centric high‑availability metrics, advise systematic project takeover, and stress hands‑on learning, proactive incident response, and future‑ready practices while inviting talent to join.

System Designhigh availabilitysoftware-engineering
0 likes · 32 min read
Evolution of Architecture and High‑Availability Design: Insights from Tencent Cloud Experts
Open Source Linux
Open Source Linux
Sep 30, 2020 · Operations

Mastering Nginx: Reverse Proxy, Load Balancing, and High Availability Guide

This comprehensive guide explains Nginx's core concepts—including reverse proxy, load balancing, static‑dynamic separation, common commands, configuration blocks, and high‑availability setup with Keepalived—providing practical examples, diagrams, and code snippets for reliable server deployment.

NginxOperationsServer Configuration
0 likes · 11 min read
Mastering Nginx: Reverse Proxy, Load Balancing, and High Availability Guide
IT Architects Alliance
IT Architects Alliance
Sep 29, 2020 · Big Data

How Qualitis Ensures High‑Availability Data Quality Monitoring on Big Data Platforms

Qualitis is a big‑data‑platform‑based data‑quality‑management service that defines, detects, and reports data‑set quality issues, featuring idempotent backend services, load‑balanced high‑availability, Zookeeper‑coordinated process synchronization, thread‑pool throttling, and clearly separated internal and external APIs.

Big DataData QualityQualitis
0 likes · 6 min read
How Qualitis Ensures High‑Availability Data Quality Monitoring on Big Data Platforms
Liangxu Linux
Liangxu Linux
Sep 28, 2020 · Operations

Master Nginx: Reverse Proxy, Load Balancing, and High‑Availability Setup

This guide explains Nginx fundamentals, including its reverse‑proxy and load‑balancing capabilities, static‑dynamic separation, common command‑line usage, configuration file structure, and step‑by‑step high‑availability deployment with Keepalived, providing practical examples and diagrams for each feature.

Server Configurationhigh availabilityload balancing
0 likes · 11 min read
Master Nginx: Reverse Proxy, Load Balancing, and High‑Availability Setup
58 Tech
58 Tech
Sep 28, 2020 · Fundamentals

WPaxos: A Production‑Grade Java Implementation of the Paxos Consensus Algorithm – Design and Engineering Analysis

This article introduces the open‑source WPaxos project, explains the core Basic Paxos algorithm, analyzes various failure scenarios, and details the production‑level engineering optimizations and Java code implementations that enable high‑performance, reliable distributed consensus.

Consensus AlgorithmDistributed SystemsPaxos
0 likes · 19 min read
WPaxos: A Production‑Grade Java Implementation of the Paxos Consensus Algorithm – Design and Engineering Analysis
Tencent Cloud Developer
Tencent Cloud Developer
Sep 24, 2020 · Cloud Computing

Technical Overview of Tencent Cloud CBS Data Scheduling System

The Tencent Cloud CBS data scheduling system has evolved from a simple snapshot service into a highly concurrent, low‑latency platform that uses COW/ROW mechanisms, multi‑version snapshots, rapid rollback, hot‑data caching, horizontal scaling, fault‑tolerant task switching, cross‑region replication, and seamless disk migration to ensure reliable, fast storage for backups, image creation, and cloud‑disk migration, with future AI‑driven scheduling and ultra‑low‑latency features.

Data Schedulingblock storagecloud storage
0 likes · 25 min read
Technical Overview of Tencent Cloud CBS Data Scheduling System
Aikesheng Open Source Community
Aikesheng Open Source Community
Sep 24, 2020 · Databases

MySQL High Availability vs Oracle High Availability: Can MySQL Replace Oracle in the Financial Industry?

The livestream discusses MySQL's high‑availability architectures compared with Oracle's, analyzes share‑nothing versus share‑everything designs, logical versus physical logging, and concludes that MySQL's share‑nothing and logical binlog replication are better suited for modern financial‑industry workloads, while also covering audience Q&A and upcoming topics.

Database ArchitectureFinancial IndustryGroup Replication
0 likes · 10 min read
MySQL High Availability vs Oracle High Availability: Can MySQL Replace Oracle in the Financial Industry?
Tencent Cloud Middleware
Tencent Cloud Middleware
Sep 23, 2020 · Backend Development

Building a Stable High‑Traffic Microservice System with Consul‑Access and Multi‑Tenant Service Discovery

This article explains how to construct a reliable, high‑throughput microservice platform using open‑source components such as Consul, an access layer, and token‑based multi‑tenant service discovery, covering architecture, registration, heartbeat handling, performance optimizations, high‑availability strategies, graceful shutdown, and deployment best practices.

ConsulKubernetesMicroservices
0 likes · 31 min read
Building a Stable High‑Traffic Microservice System with Consul‑Access and Multi‑Tenant Service Discovery
Top Architect
Top Architect
Sep 23, 2020 · Big Data

Evolution of JD.com Order Center Elasticsearch Cluster Architecture

This article details how JD.com’s order center migrated its Elasticsearch cluster from a basic, default‑configured setup to a highly available, dual‑cluster architecture with increased replicas, dedicated hardware, version upgrades, and optimized shard and pagination strategies to handle billions of documents and hundreds of millions of daily queries.

Cluster Architecturedata synchronizationhigh availability
0 likes · 12 min read
Evolution of JD.com Order Center Elasticsearch Cluster Architecture
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Sep 22, 2020 · Operations

How to Build Highly Available, Scalable, and Resilient Systems

This article explains the principles and practical techniques for achieving high availability, scalability, isolation, decoupling, rate limiting, degradation, and circuit breaking in modern software systems, providing concrete examples, algorithms, and deployment patterns to improve reliability and performance.

ScalabilitySystem Designcircuit breaker
0 likes · 18 min read
How to Build Highly Available, Scalable, and Resilient Systems
Alibaba Cloud Native
Alibaba Cloud Native
Sep 21, 2020 · Operations

Why Chaos Engineering Is Essential for Cloud‑Native High Availability

This article explains the need for chaos engineering in modern distributed and cloud‑native systems, outlines the challenges faced by architects, developers, testers and product teams, and provides step‑by‑step guidance on using ChaosBlade and Alibaba's AHAS platform for effective fault‑injection experiments.

Cloud NativeOperationschaos engineering
0 likes · 9 min read
Why Chaos Engineering Is Essential for Cloud‑Native High Availability
Tencent Cloud Developer
Tencent Cloud Developer
Sep 18, 2020 · Cloud Native

Building a Stable High‑Traffic Microservice System with Open‑Source Components and Consul‑Based Service Discovery

The talk explains how Tencent’s Liu Zhixin built a stable, high‑traffic microservice platform by layering a multi‑tenant, token‑authenticated access service in front of open‑source Consul, aggregating registrations and watches, scaling horizontally, and adding HA features such as circuit‑breakers, caching, graceful shutdown and rolling updates for reliable service discovery.

ConsulKubernetescloud-native
0 likes · 28 min read
Building a Stable High‑Traffic Microservice System with Open‑Source Components and Consul‑Based Service Discovery
Qunar Tech Salon
Qunar Tech Salon
Sep 18, 2020 · Backend Development

Design and Implementation of a Business API Gateway with Protocol Conversion and Service Orchestration

This article describes the design, architecture, and innovations of a custom API gateway for microservice systems, covering technical selection, protocol conversion for Dubbo, service orchestration, embedded gateway deployment, high‑availability strategies, and measurable efficiency gains.

DubboMicroservicesService Orchestration
0 likes · 11 min read
Design and Implementation of a Business API Gateway with Protocol Conversion and Service Orchestration
Big Data Technology & Architecture
Big Data Technology & Architecture
Sep 14, 2020 · Big Data

Distributed File Systems: Overview, Design Requirements, Architecture Models, and Key Considerations

This article provides a comprehensive overview of distributed file systems, covering their historical evolution, essential design requirements, centralized and decentralized architecture models, persistence, scalability, high availability, performance optimization, security, and additional practical aspects such as space allocation, file deletion, small‑file handling, and deduplication.

Data ConsistencyDistributed File SystemScalability
0 likes · 21 min read
Distributed File Systems: Overview, Design Requirements, Architecture Models, and Key Considerations
Efficient Ops
Efficient Ops
Sep 13, 2020 · Operations

Master Nginx: Reverse Proxy, Load Balancing, and High‑Availability Essentials

This guide explains Nginx’s core concepts—including reverse proxy, load balancing, static‑dynamic separation, common commands, configuration blocks, and high‑availability setup with Keepalived—providing step‑by‑step examples and practical diagrams for reliable web service deployment.

ConfigurationOperationshigh availability
0 likes · 11 min read
Master Nginx: Reverse Proxy, Load Balancing, and High‑Availability Essentials
Programmer DD
Programmer DD
Sep 13, 2020 · Backend Development

How JD.com Scaled Its Order System with Elasticsearch: Architecture Evolution

This article details how JD.com's order center migrated from MySQL‑only reads to a high‑throughput Elasticsearch cluster, describing each architectural phase—from the initial bare‑metal setup, through isolation, replica tuning, primary‑secondary adjustments, to the current real‑time dual‑cluster—while sharing synchronization strategies and performance pitfalls.

Elasticsearchcluster scalingdata synchronization
0 likes · 12 min read
How JD.com Scaled Its Order System with Elasticsearch: Architecture Evolution
Architecture Digest
Architecture Digest
Sep 12, 2020 · Backend Development

Zookeeper Usage Scenarios and Interview Analysis

This article explains common Zookeeper usage scenarios—including distributed coordination, distributed locking, metadata/configuration management, and high‑availability—provides interview‑style analysis, and illustrates each case with diagrams, helping Java developers understand how Zookeeper supports core distributed system functions.

LockZooKeepercoordination
0 likes · 5 min read
Zookeeper Usage Scenarios and Interview Analysis
vivo Internet Technology
vivo Internet Technology
Sep 10, 2020 · Operations

Multi-Active High Availability Architecture: Scenarios, Solutions, and Evaluation

Multi‑active high‑availability architectures—ranging from same‑city dual‑active and two‑site three‑center setups to fully remote multi‑active deployments—provide continuous 24/7 service by replicating data across sites, but introduce latency, consistency, routing, and cost complexities that require careful unit‑based design, synchronized storage, and sophisticated traffic management.

System Architecturedata synchronizationdisaster recovery
0 likes · 17 min read
Multi-Active High Availability Architecture: Scenarios, Solutions, and Evaluation
Architect's Tech Stack
Architect's Tech Stack
Sep 9, 2020 · Databases

How Redis Sentinel Implements Automatic Failover

This article explains how Redis Sentinel provides automatic failover by combining multi‑replica deployment, health monitoring, leader election, and distributed consensus to detect master failures, select a new master, promote it, and notify clients, ensuring high availability for Redis databases.

Database ReplicationDistributed Systemsautomatic failover
0 likes · 10 min read
How Redis Sentinel Implements Automatic Failover
New Oriental Technology
New Oriental Technology
Sep 7, 2020 · Operations

Performance Optimization and Stability Enhancement of the Continuation Enrollment System

This article details the background, performance and stability requirements, strategic approach, and concrete initiatives—including full‑chain load testing, chaos engineering, monitoring, and targeted optimization projects—that were undertaken to boost the performance by over 300% and improve high‑availability of the continuation enrollment platform.

Load Testingbackend optimizationchaos testing
0 likes · 7 min read
Performance Optimization and Stability Enhancement of the Continuation Enrollment System
Selected Java Interview Questions
Selected Java Interview Questions
Sep 6, 2020 · Backend Development

Redis Interview Questions and High‑Availability Distributed System Overview

This article compiles common Redis interview questions, compares Redis with Memcached, explains eviction policies, and provides a concise introduction to distributed systems, high‑availability architectures, master‑slave replication, synchronization methods, and Redis‑based distributed lock solutions.

CacheDistributed Systemshigh availability
0 likes · 12 min read
Redis Interview Questions and High‑Availability Distributed System Overview
Selected Java Interview Questions
Selected Java Interview Questions
Sep 3, 2020 · Operations

Evolution of JD.com Order Center Elasticsearch Cluster Architecture and Lessons Learned

This article details the progressive evolution of JD.com’s order center Elasticsearch cluster—from its initial default setup through isolation, replica optimization, master‑slave adjustments, and real‑time dual‑cluster backup—highlighting architectural decisions, scaling strategies, synchronization methods, and operational challenges encountered.

Cluster ArchitectureElasticsearchdata synchronization
0 likes · 13 min read
Evolution of JD.com Order Center Elasticsearch Cluster Architecture and Lessons Learned
IT Architects Alliance
IT Architects Alliance
Sep 1, 2020 · Operations

How to Build a High‑Availability RocketMQ Cluster on Two Servers

This guide walks through the complete process of setting up a fault‑tolerant RocketMQ cluster on two Linux servers, covering environment preparation, Java installation, NameServer and Broker deployment, configuration of master‑slave modes, startup commands, troubleshooting, port opening, verification, and optional console installation.

ClusterInstallationLinux
0 likes · 22 min read
How to Build a High‑Availability RocketMQ Cluster on Two Servers
Laravel Tech Community
Laravel Tech Community
Aug 31, 2020 · Big Data

Evolution of JD Daojia Order System Elasticsearch Cluster Architecture

This article details the step‑by‑step evolution of the JD Daojia order‑center Elasticsearch cluster—from an initial loosely configured deployment to a real‑time dual‑cluster architecture with replica tuning, master‑slave adjustments, data‑sync strategies, and lessons learned about pagination, fielddata, and doc values—highlighting how each phase improved query throughput, stability, and scalability for billions of documents.

Big DataCluster ArchitectureElasticsearch
0 likes · 12 min read
Evolution of JD Daojia Order System Elasticsearch Cluster Architecture
Didi Tech
Didi Tech
Aug 30, 2020 · Cloud Native

Didi's Seven‑Layer Access Platform: Service Governance, Stability Practices, and Cloud‑Native Exploration

Didi’s Seven‑Layer Access Platform, handling millions of QPS and hundreds of billions of daily requests across thousands of services, provides ultra‑stable, sub‑millisecond routing through Nginx‑based data and control planes, advanced service discovery, rate‑limiting, observability, zero‑risk change controls, and is now evolving toward a cloud‑native, mesh‑enabled sidecar architecture.

Cloud Nativehigh availabilityobservability
0 likes · 16 min read
Didi's Seven‑Layer Access Platform: Service Governance, Stability Practices, and Cloud‑Native Exploration
iQIYI Technical Product Team
iQIYI Technical Product Team
Aug 28, 2020 · Databases

iQIYI's Custom MySQL High‑Availability Architecture

iQIYI’s custom MySQL HA solution replaces the single‑point‑failure MHA manager with a Raft‑based trio of HA Masters and HA Agents that continuously monitor instances, automatically perform same‑DC, cross‑DC, or cross‑region failovers, reconcile diff binlogs, ensure data consistency, and integrate with CMDB, tracing and chaos‑engineering platforms.

HA ArchitectureMHAReplication
0 likes · 10 min read
iQIYI's Custom MySQL High‑Availability Architecture
Architect's Tech Stack
Architect's Tech Stack
Aug 26, 2020 · Operations

Step‑by‑Step Deployment of Frontend and Backend High‑Availability Services Using Docker, Nginx and Keepalived

This tutorial explains how to solve physical‑machine shortages and achieve high availability by installing Docker, configuring Keepalived for virtual IP failover, setting up Nginx load balancing, building backend Docker images, deploying master‑slave containers, and verifying the setup with Portainer.

Nginxfrontendhigh availability
0 likes · 27 min read
Step‑by‑Step Deployment of Frontend and Backend High‑Availability Services Using Docker, Nginx and Keepalived
Top Architect
Top Architect
Aug 25, 2020 · Operations

Prometheus Monitoring in Kubernetes: Principles, Exporters, Configuration, Capacity Planning, and Best Practices

This comprehensive guide explores Prometheus as a cloud‑native monitoring solution for Kubernetes, covering core principles, exporter selection, configuration snippets, Grafana dashboard creation, capacity planning, high‑cardinality challenges, rate calculations, prediction functions, high‑availability designs, and integration with Alertmanager and other operational tools.

AlertmanagerExporterGrafana
0 likes · 38 min read
Prometheus Monitoring in Kubernetes: Principles, Exporters, Configuration, Capacity Planning, and Best Practices
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 21, 2020 · Databases

Investigation of MySQL Group Replication Message Cache Behavior and Parameter Effects

This article examines how MySQL Group Replication's message cache fills under load, the impact of the group_replication_message_cache_size and group_replication_member_expel_timeout parameters, and provides experimental observations and practical recommendations for balancing reliability, memory usage, and data consistency.

Database PerformanceGroup ReplicationMessage Cache
0 likes · 5 min read
Investigation of MySQL Group Replication Message Cache Behavior and Parameter Effects
Youku Technology
Youku Technology
Aug 18, 2020 · Backend Development

How Youku Engineered a High‑Performance, Low‑Latency Marketing Platform

This article details Youku's membership marketing system architecture, covering complex marketing scenarios, high‑availability and low‑latency requirements, rule‑based QL engine, unified marketing framework, multi‑cache storage, multithreaded matching, asynchronous reward distribution, and distributed transaction mechanisms.

BackendLow latencySystem Design
0 likes · 12 min read
How Youku Engineered a High‑Performance, Low‑Latency Marketing Platform
Selected Java Interview Questions
Selected Java Interview Questions
Aug 15, 2020 · Fundamentals

Understanding ZooKeeper: Purpose, Features, and Design Goals

This article explains what ZooKeeper is, why it was created, its core features such as high performance, high availability, and consistency, and how it simplifies distributed application development by providing coordination services like naming, locks, leader election, and configuration management.

ConsensusDistributed Coordinationhigh availability
0 likes · 11 min read
Understanding ZooKeeper: Purpose, Features, and Design Goals
Java Architect Essentials
Java Architect Essentials
Aug 14, 2020 · Industry Insights

Designing High‑Performance, Scalable Architecture for Large‑Scale Websites

This article provides a comprehensive overview of large‑scale website architecture, covering characteristic traits, performance and availability goals, layered design patterns, security measures, scalability and extensibility strategies, evolution stages, capacity estimation, and practical optimization techniques for e‑commerce platforms.

Scalabilitydistributed architecturee‑commerce
0 likes · 25 min read
Designing High‑Performance, Scalable Architecture for Large‑Scale Websites
Efficient Ops
Efficient Ops
Aug 11, 2020 · Operations

How Multi‑Cloud Disaster Recovery Boosts Site Availability: Lessons from Real‑World DR Drills

This article shares a detailed case study of building multi‑cloud site disaster‑recovery and fault‑drill practices at Kaixin Network, covering high‑availability concepts, architectural redesign, pain points, automated one‑click switching, and future self‑healing with chaos engineering to improve reliability.

Operationsdisaster recoveryfault drills
0 likes · 15 min read
How Multi‑Cloud Disaster Recovery Boosts Site Availability: Lessons from Real‑World DR Drills
Tencent Cloud Developer
Tencent Cloud Developer
Aug 11, 2020 · Cloud Native

Tencent TDMQ: Cloud‑Native Message Queue Architecture and Implementation

Tencent’s TDMQ is a cloud‑native, Pulsar‑based message queue that separates storage and compute, offering multi‑protocol support, strong consistency, high reliability, active‑active cross‑region replication, and read‑only broker scaling to meet financial‑grade billing workloads with billions of daily transactions.

Apache PulsarDistributed SystemsFinancial Services
0 likes · 26 min read
Tencent TDMQ: Cloud‑Native Message Queue Architecture and Implementation