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Ray's Galactic Tech
Ray's Galactic Tech
Dec 29, 2025 · Databases

Mastering PostgreSQL Backup & Replication: A Complete Enterprise Guide

An in‑depth enterprise guide explains why backup and replication are critical for PostgreSQL, compares physical, logical, and logical replication methods, provides step‑by‑step command examples, outlines high‑availability architectures, automation scripts, disaster‑recovery procedures, monitoring queries, and common pitfalls to ensure robust data protection.

PostgreSQLReplicationdisaster recovery
0 likes · 8 min read
Mastering PostgreSQL Backup & Replication: A Complete Enterprise Guide
Mike Chen's Internet Architecture
Mike Chen's Internet Architecture
Dec 24, 2025 · Operations

How to Deploy a Two‑Location Three‑Center Disaster‑Recovery Architecture for High Availability

This guide explains the two‑location three‑center disaster‑recovery pattern, describing its purpose, typical deployment across two cities and three data centers, and step‑by‑step recommendations for same‑city dual‑active or primary‑backup setups, remote backup strategies, traffic routing, and essential monitoring.

GSLBOperationsSLB
0 likes · 5 min read
How to Deploy a Two‑Location Three‑Center Disaster‑Recovery Architecture for High Availability
Raymond Ops
Raymond Ops
Dec 22, 2025 · Operations

Mastering Production Site Backup: A Multi‑Layer Disaster Recovery Blueprint

After a midnight disk failure that threatened 300,000 users, this article presents a production‑grade, multi‑layer backup architecture with 3‑2‑1 redundancy, RTO ≤30 min and RPO ≤5 min, covering application code, configuration, database (physical and logical), file storage, automated scheduling, monitoring, performance tuning, a real‑world recovery case, and future AI‑driven enhancements.

BackupOperationsautomation
0 likes · 15 min read
Mastering Production Site Backup: A Multi‑Layer Disaster Recovery Blueprint
Ops Community
Ops Community
Nov 23, 2025 · Databases

How to Recover Accidentally Dropped MySQL Data in 48 Hours – A Complete Step‑by‑Step Guide

This guide walks you through a full disaster‑recovery workflow for MySQL, covering emergency read‑only switching, pinpointing the deletion time via binlog, preparing a recovery instance, restoring the latest full backup with Xtrabackup or mysqldump, applying incremental binlog changes, verifying data integrity, and safely switching traffic back to the restored database.

BackupBinlogData Recovery
0 likes · 42 min read
How to Recover Accidentally Dropped MySQL Data in 48 Hours – A Complete Step‑by‑Step Guide
MaGe Linux Operations
MaGe Linux Operations
Oct 1, 2025 · Operations

How a Single rm -rf Command Almost Wiped My Data—and the Backup Plan That Saved It

A disastrous rm -rf command erased 2.3 TB of production MySQL data, but a meticulously designed multi‑layer backup strategy—including logical, physical, real‑time, and cloud backups—enabled a 99.4% data recovery within 72 hours, highlighting essential lessons and best‑practice guidelines for reliable data protection.

BackupData ProtectionOperations
0 likes · 36 min read
How a Single rm -rf Command Almost Wiped My Data—and the Backup Plan That Saved It
Ops Community
Ops Community
Aug 25, 2025 · Operations

How DRBD Can Save Your Production Data from Disasters

This article explains why most companies suffer long recovery times after data loss, introduces DRBD's real‑time block replication as a solution, and provides detailed architecture designs, deployment steps, monitoring scripts, performance tuning, cost analysis, common pitfalls, and future trends for reliable disaster recovery.

DRBDLinuxdata replication
0 likes · 9 min read
How DRBD Can Save Your Production Data from Disasters
Tech Freedom Circle
Tech Freedom Circle
Aug 4, 2025 · Operations

How Do Projects Achieve High Availability Without Multi‑Site Active‑Active? – A Meituan Interview Question

The article analyzes high‑availability concepts, from single‑machine risks to multi‑site active‑active architectures, compares cold and hot backup strategies, discusses network latency challenges, and presents Ele.me’s cell‑based, sharding‑driven multi‑region solution with concrete examples, tables, and code snippets.

cell-based architecturedata replicationdisaster recovery
0 likes · 28 min read
How Do Projects Achieve High Availability Without Multi‑Site Active‑Active? – A Meituan Interview Question
Zhuanzhuan Tech
Zhuanzhuan Tech
Jul 17, 2025 · Backend Development

How Virtual Phone Numbers Reinvent Trust and Resilience in E‑Commerce Services

This article explores the concept of privacy (virtual) phone numbers, their features and deployment modes, and details a multi‑stage engineering evolution—from a simple door‑to‑door recycling prototype to a service‑oriented architecture and a high‑availability disaster‑recovery system—demonstrating how they protect user data, improve system reliability, and support rapid business growth.

Service Architecturedisaster recoveryprivacy number
0 likes · 10 min read
How Virtual Phone Numbers Reinvent Trust and Resilience in E‑Commerce Services
Qunhe Technology Quality Tech
Qunhe Technology Quality Tech
Jul 10, 2025 · Operations

Ensuring Elasticsearch Stability: Testing, Performance, and Disaster Recovery

This article outlines a comprehensive reliability framework for Elasticsearch, covering pre‑release performance evaluation, data accuracy checks, real‑time sync delay alerts, rapid recovery strategies, performance testing methods, and disaster‑recovery measures such as multi‑cluster backup and index alias switching.

Performance Testingdata synchronizationdisaster recovery
0 likes · 12 min read
Ensuring Elasticsearch Stability: Testing, Performance, and Disaster Recovery
Bilibili Tech
Bilibili Tech
Apr 22, 2025 · Operations

Client‑Side DCDN Disaster‑Recovery Drills and Automated Testing at Bilibili

Bilibili performed client-side DCDN disaster-recovery drills using a self-built HTTPDNS to simulate DNS, CDN, and SSL faults; automated scripts across Android, iOS, and Web injected errors, measured rendering latency, validated immediate downgrade to commercial services, refined fallback strategies, and demonstrated near-zero user impact during a real network incident.

BilibiliDCDNHTTPDNS
0 likes · 13 min read
Client‑Side DCDN Disaster‑Recovery Drills and Automated Testing at Bilibili
Open Source Linux
Open Source Linux
Jan 13, 2025 · Operations

Key Lessons from 2024 Major Service Outages and How to Prevent Future Downtime

The article reviews major 2024 service outages—from Alibaba Cloud to OpenAI—highlights their root causes, and offers practical operations strategies such as disaster recovery, regular backups, load balancing, monitoring, performance tuning, and capacity planning to reduce future downtime.

Operationscapacity planningdisaster recovery
0 likes · 5 min read
Key Lessons from 2024 Major Service Outages and How to Prevent Future Downtime
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jan 10, 2025 · Cloud Native

Service-Level Disaster Recovery with Alibaba Cloud Service Mesh (ASM) across Multi-Cluster and Multi-Region Deployments

This guide explains how to handle service‑level failures in Kubernetes by using Alibaba Cloud Service Mesh (ASM) to automatically detect faults, shift traffic based on geographic priority, and implement various multi‑cluster, multi‑region, and multi‑cloud topologies for high availability.

ASMKubernetesTraffic Shifting
0 likes · 31 min read
Service-Level Disaster Recovery with Alibaba Cloud Service Mesh (ASM) across Multi-Cluster and Multi-Region Deployments
IT Architects Alliance
IT Architects Alliance
Jan 7, 2025 · Industry Insights

Why Multi-Active Architecture Matters and How to Build It

The article explains why multi‑active (active‑active) architecture is essential for modern enterprises, outlines its evolution from single‑server setups, details core principles like redundancy and data synchronization, compares common deployment patterns, examines industry use cases, and discusses challenges and mitigation strategies.

Data ConsistencyDistributed Systemscloud computing
0 likes · 21 min read
Why Multi-Active Architecture Matters and How to Build It
MaGe Linux Operations
MaGe Linux Operations
Jan 6, 2025 · Operations

What 2024 Outages Teach Us About Building Resilient Systems

A review of major 2024 service disruptions—from Alibaba Cloud to OpenAI—highlights key lessons such as early disaster‑recovery planning, regular backups, load balancing, real‑time monitoring, performance tuning, and capacity planning to improve system reliability and reduce future downtime.

disaster recoveryoutage analysissystem reliability
0 likes · 5 min read
What 2024 Outages Teach Us About Building Resilient Systems
Efficient Ops
Efficient Ops
Jan 1, 2025 · Operations

What 2024’s Biggest Outages Teach Us About Building Resilient Systems

Reviewing the major service disruptions—from Alibaba Cloud to OpenAI—this article extracts key SRE lessons such as early disaster‑recovery planning, regular backups, load balancing, real‑time monitoring, performance tuning, and capacity planning, urging enterprises to adopt resilient practices for a more stable future.

OperationsOutage ManagementSRE
0 likes · 6 min read
What 2024’s Biggest Outages Teach Us About Building Resilient Systems
Alibaba Cloud Native
Alibaba Cloud Native
Dec 28, 2024 · Cloud Native

How ACK One Multi‑Cluster Gateway Enables Seamless Cross‑AZ and Multi‑Region Disaster Recovery

This article explains how Alibaba Cloud's ACK One multi‑cluster gateway provides active‑active disaster recovery across same‑city AZs, hybrid‑cloud environments, and distant regions, detailing the architecture, setup steps, advantages over DNS‑based solutions, and practical considerations for enterprise workloads.

ACK OneCloud Nativecross-AZ
0 likes · 13 min read
How ACK One Multi‑Cluster Gateway Enables Seamless Cross‑AZ and Multi‑Region Disaster Recovery
Yang Money Pot Technology Team
Yang Money Pot Technology Team
Dec 26, 2024 · Frontend Development

Design and Implementation of a Multi‑CDN Disaster Recovery Mechanism for Frontend Resource Loading

This article presents a comprehensive multi‑CDN disaster‑recovery solution for frontend static resources, detailing the background, current issues, goals, SDK‑based architecture, monitoring and retry strategies, data‑reporting mechanisms, evaluation results, and future dynamic scheduling improvements.

CDNRetrySDK
0 likes · 12 min read
Design and Implementation of a Multi‑CDN Disaster Recovery Mechanism for Frontend Resource Loading
Bilibili Tech
Bilibili Tech
Nov 19, 2024 · Operations

Building a Lightweight Disaster‑Recovery Drill System at Bilibili: Architecture, Practices, and Lessons

Bilibili’s infrastructure team created a lightweight, multi‑layered disaster‑recovery drill platform—combining an atomic fault library, scenario catalogs, chaos‑experiment orchestration, real‑time observation, and a product‑level interface—backed by standardized governance and CI‑integrated automation, cutting drill preparation from weeks to days and boosting weekly resilience testing across the organization.

disaster recoveryhigh availabilitysite reliability
0 likes · 39 min read
Building a Lightweight Disaster‑Recovery Drill System at Bilibili: Architecture, Practices, and Lessons
Java Architecture Stack
Java Architecture Stack
Oct 10, 2024 · Databases

Master MySQL Backup & Recovery: Strategies for Every Business Scenario

This guide walks through five practical MySQL backup and restoration workflows—including scheduled full backups, hourly incremental binlog backups for high‑frequency trading, development‑environment data masking, selective table dumps, and cold‑storage disaster recovery—providing exact commands, configuration tweaks, and step‑by‑step procedures.

BackupDatabase AdministrationIncremental Backup
0 likes · 7 min read
Master MySQL Backup & Recovery: Strategies for Every Business Scenario
Tencent Cloud Middleware
Tencent Cloud Middleware
Sep 9, 2024 · Cloud Native

How TDMQ Pulsar Enables Cross‑Region Replication for Global Data Archiving and Disaster Recovery

Since September 2024, TDMQ Pulsar professional clusters offer message‑level and metadata‑level cross‑region replication, providing solutions for worldwide data archiving and core‑business disaster recovery, with detailed deployment steps, configuration guidance, and a financial‑industry best‑practice case study.

TDMQ Pulsarcross‑region replicationdisaster recovery
0 likes · 9 min read
How TDMQ Pulsar Enables Cross‑Region Replication for Global Data Archiving and Disaster Recovery
Volcano Engine Developer Services
Volcano Engine Developer Services
Sep 2, 2024 · Operations

How ByteDance Scales Disaster Recovery: From Single Data Center to Multi‑Region Active‑Active

This article details ByteDance’s disaster‑recovery evolution—from a single‑room deployment to same‑city multi‑data‑center setups and finally to active‑active multi‑region architectures—explaining the challenges, specific failure scenarios, and the strategic practices used to ensure continuous service during outages.

InfrastructureOperationsdisaster recovery
0 likes · 15 min read
How ByteDance Scales Disaster Recovery: From Single Data Center to Multi‑Region Active‑Active
JD Tech
JD Tech
Aug 22, 2024 · Backend Development

Designing a Disaster‑Recovery Data Backup System for JD’s LBS C‑End SOA Service

This article explores the design and implementation of a disaster‑recovery data‑backup architecture for JD’s LBS C‑end SOA service, covering backup strategies, cost‑reduction techniques, grid‑based indexing with H3, client‑side caching, diff verification, and deployment considerations to balance reliability, performance, and expense.

Cost OptimizationLBSSOA
0 likes · 18 min read
Designing a Disaster‑Recovery Data Backup System for JD’s LBS C‑End SOA Service
IT Services Circle
IT Services Circle
Aug 21, 2024 · Operations

Analysis of NetEase Cloud Music Outage on August 19: Infrastructure Failure and Operational Lessons

On August 19, NetEase Cloud Music suffered a severe infrastructure‑related outage that prevented user login, playlist loading, and song search, prompting a two‑hour recovery effort, a brief free‑membership compensation, and highlighting the critical role of proper change management, gray releases, disaster recovery, and cross‑functional coordination in large‑scale services.

InfrastructureNetEase Cloud MusicOperations
0 likes · 6 min read
Analysis of NetEase Cloud Music Outage on August 19: Infrastructure Failure and Operational Lessons
JD Retail Technology
JD Retail Technology
Aug 21, 2024 · Operations

Designing a Disaster Recovery and Data Backup System for JD 秒送 LBS C‑End SOA Services

This article explores the design of a disaster‑recovery framework for JD’s秒送 LBS C‑end SOA services, detailing data‑backup strategies, cost‑reduction techniques, grid‑based caching using H3, diff validation, client‑side caching, and deployment modules to balance reliability, performance, and expense.

Cost OptimizationLBSbackend services
0 likes · 18 min read
Designing a Disaster Recovery and Data Backup System for JD 秒送 LBS C‑End SOA Services
JD Tech Talk
JD Tech Talk
Aug 16, 2024 · Operations

Designing Cost‑Effective Disaster Recovery Data Backup for LBS‑Based SOA Services

This article details a comprehensive disaster‑recovery strategy for LBS‑driven SOA services, covering challenges of massive POI data backup, cost‑reduction via grid indexing (H3), selective caching, compression, diff validation, client‑side fallback, and deployment processes to achieve reliable, low‑cost data availability.

Cost OptimizationLBSdata backup
0 likes · 19 min read
Designing Cost‑Effective Disaster Recovery Data Backup for LBS‑Based SOA Services
JD Cloud Developers
JD Cloud Developers
Aug 16, 2024 · Backend Development

How to Slash LBS Disaster‑Recovery Costs by 99% with Smart Grid Backups

This article explores a comprehensive disaster‑recovery strategy for LBS‑driven SOA services, detailing challenges of massive POI data backup, cost‑reduction techniques using grid‑based caching, H3 hexagonal indexing, selective data compression, and a hybrid client‑server fallback mechanism to achieve high availability at dramatically lower expense.

LBSSOAdata backup
0 likes · 21 min read
How to Slash LBS Disaster‑Recovery Costs by 99% with Smart Grid Backups
21CTO
21CTO
Jul 23, 2024 · Information Security

What the Microsoft Blue‑Screen Crisis Teaches About IT Risk Management

The massive Microsoft blue‑screen outage caused by a faulty CrowdStrike update highlights the dangers of single‑system reliance, poor code quality, insufficient QA, and the need for staged rollouts, robust backup, real‑time monitoring, and proactive incident‑response strategies for modern IT organizations.

IT Operationsdisaster recoveryincident response
0 likes · 10 min read
What the Microsoft Blue‑Screen Crisis Teaches About IT Risk Management
Efficient Ops
Efficient Ops
Jul 7, 2024 · Operations

Boost Business Continuity and IT System Stability: Practical Strategies

This article explains business continuity concepts, outlines the risks to IT system stability, and provides actionable steps—such as expanding monitoring coverage, improving fault detection, enhancing architecture resilience, and strengthening emergency coordination—to ensure continuous operation despite inevitable failures.

business continuitydisaster recoveryfault management
0 likes · 7 min read
Boost Business Continuity and IT System Stability: Practical Strategies
dbaplus Community
dbaplus Community
Jun 20, 2024 · Databases

Meituan’s Scalable Database Disaster Recovery: Architecture, Practices & Future

This article explains Meituan's multi‑stage disaster‑recovery strategy for databases, detailing the evolution from single‑active to N+1 and unit‑based architectures, the challenges of ultra‑large clusters, the DDTP platform's capabilities, and future plans to automate and extend resilience across regions.

MeituanN+1 architecturedatabase high availability
0 likes · 19 min read
Meituan’s Scalable Database Disaster Recovery: Architecture, Practices & Future
iQIYI Technical Product Team
iQIYI Technical Product Team
May 24, 2024 · Operations

High Availability and Disaster Recovery Practices of iQIYI's Video Relay Service (VRS)

iQIYI’s Video Relay Service ensures uninterrupted video playback by employing a two‑region, three‑center hybrid cloud architecture, multi‑layer storage, cross‑AZ retry mechanisms, protective rate‑limiting and degradation paths, layered monitoring, and rigorous stress‑testing and chaos engineering to achieve high availability and disaster recovery.

Backend ArchitectureCloud NativeVideo Streaming
0 likes · 18 min read
High Availability and Disaster Recovery Practices of iQIYI's Video Relay Service (VRS)
Open Source Linux
Open Source Linux
Mar 27, 2024 · Operations

Why RPO & RTO Matter: Cloud Disaster Recovery in China’s Expanding Market

The article examines how recent Chinese cybersecurity regulations have heightened the importance of business continuity, explains key disaster‑recovery metrics RPO and RTO, outlines data‑, application‑, and business‑level backup tiers, analyzes the cloud‑based disaster‑recovery market growth, and highlights sector‑specific demands such as in healthcare.

Market analysisRPORTO
0 likes · 7 min read
Why RPO & RTO Matter: Cloud Disaster Recovery in China’s Expanding Market
Architects' Tech Alliance
Architects' Tech Alliance
Mar 13, 2024 · Industry Insights

Why China’s Disaster Recovery Market Is Booming: Trends, Levels, and Cloud Backup Insights

The 2023 overview of China’s disaster recovery and backup industry reveals how new cybersecurity regulations, rising RPO/RTO expectations, a three‑tier protection model, and the shift to cloud‑based solutions are driving rapid market growth across sectors such as healthcare, while competition remains fragmented among many vendors.

China MarketCloud BackupIndustry analysis
0 likes · 8 min read
Why China’s Disaster Recovery Market Is Booming: Trends, Levels, and Cloud Backup Insights
Baidu Geek Talk
Baidu Geek Talk
Mar 4, 2024 · Databases

Bank Core System Transformation and GaiaDB-X Distributed Database Solutions for Financial Scenarios

To meet exploding transaction volumes, rapid innovation cycles, and strict regulatory demands, large banks are replacing mainframe core systems with distributed, horizontally‑scalable architectures, and Baidu’s GaiaDB‑X database—offering strong ACID consistency, zero‑RPO disaster recovery, and automated operations—has successfully powered core banking migrations for institutions such as Bank of China and state‑owned banks.

GaiaDB-XTSO consistencybank core system
0 likes · 26 min read
Bank Core System Transformation and GaiaDB-X Distributed Database Solutions for Financial Scenarios
Open Source Linux
Open Source Linux
Mar 1, 2024 · Operations

How Two‑Site Three‑Center Disaster Recovery Boosts Business Continuity with Oracle Data Guard

The two‑site three‑center disaster recovery model combines a production site, a same‑city backup, and a remote backup to ensure data integrity and rapid recovery, leveraging Oracle Data Guard for synchronized and asynchronous replication, thereby improving RPO and RTO across various disaster scenarios.

OperationsOracle Data Guardbusiness continuity
0 likes · 4 min read
How Two‑Site Three‑Center Disaster Recovery Boosts Business Continuity with Oracle Data Guard
Architects' Tech Alliance
Architects' Tech Alliance
Feb 24, 2024 · Operations

How the Two‑Site Three‑Center Disaster Recovery Model Boosts Business Continuity

The article explains the two‑site three‑center disaster‑recovery architecture—comprising a production site, a same‑city backup, and a remote backup—detailing synchronous and asynchronous data replication, failover capabilities, Oracle Data Guard implementation, and why this hybrid approach delivers superior RPO, RTO, and availability for enterprises.

InfrastructureOracle Data GuardRPO
0 likes · 6 min read
How the Two‑Site Three‑Center Disaster Recovery Model Boosts Business Continuity
MaGe Linux Operations
MaGe Linux Operations
Feb 21, 2024 · Databases

How to Deploy Fine-Grained Disaster Recovery for GaussDB DWS on Cloud

This guide explains step‑by‑step how to manually set up fine‑grained disaster recovery for GaussDB(DWS) in a cloud‑based dual‑cluster environment, covering preparation, configuration files, backup/restore operations, verification, and removal to achieve reliable, cost‑effective data protection.

GaussDBSQLcloud
0 likes · 20 min read
How to Deploy Fine-Grained Disaster Recovery for GaussDB DWS on Cloud
Cloud Native Technology Community
Cloud Native Technology Community
Feb 2, 2024 · Cloud Native

Achieving Sub‑2‑Hour RTO: A Cloud‑Native Disaster Recovery Blueprint for Enterprises

This article examines how a leading global industrial group leveraged a cloud‑native platform to design a disaster‑recovery solution that meets a sub‑2‑hour RTO and a 1‑minute RPO, detailing architecture, data‑layer strategies, middleware replication, application and access‑layer handling, and operational best practices.

ACPCloud NativeGitOps
0 likes · 17 min read
Achieving Sub‑2‑Hour RTO: A Cloud‑Native Disaster Recovery Blueprint for Enterprises
Efficient Ops
Efficient Ops
Feb 1, 2024 · Operations

How Tencent’s Public Gateway Overcomes Extreme Availability Challenges

The article details Tencent's Public Gateway (TGW) architecture, its forwarding and control planes, and presents two real‑world extreme failure cases— a NIC batch bug and a special IPv6 packet causing core dumps—along with the multi‑level disaster‑recovery design and mitigation strategies employed to ensure high availability.

AvailabilityTencent Clouddisaster recovery
0 likes · 8 min read
How Tencent’s Public Gateway Overcomes Extreme Availability Challenges
Tencent Cloud Developer
Tencent Cloud Developer
Nov 30, 2023 · Cloud Computing

X's Cloud Cost Reduction and the Shift Toward On‑Premises: Implications for Cloud Computing Trends

X (formerly Twitter) cut monthly cloud spending by 60% by shifting workloads and storage to on‑premises infrastructure, igniting a debate over whether de‑clouding is viable for all enterprises, how it signals a potential inflection point in cloud computing, and what strategies—balancing high availability, disaster recovery, and cost efficiency—should guide firms, as highlighted in the upcoming TVP Tech Sleepless Nights series featuring leading industry experts.

Cloud NativeCost Optimizationcloud repatriation
0 likes · 7 min read
X's Cloud Cost Reduction and the Shift Toward On‑Premises: Implications for Cloud Computing Trends
Top Architecture Tech Stack
Top Architecture Tech Stack
Nov 27, 2023 · Operations

Designing Multi-Active Cross‑Region Architecture: Scenarios, Patterns, and Practical Techniques

This article explains the motivations, application scenarios, architectural patterns (same‑city, cross‑city, and cross‑country), and concrete design techniques for building multi‑active cross‑region systems that ensure high availability and graceful degradation during extreme failures.

Distributed Systemsdata synchronizationdisaster recovery
0 likes · 32 min read
Designing Multi-Active Cross‑Region Architecture: Scenarios, Patterns, and Practical Techniques
Top Architecture Tech Stack
Top Architecture Tech Stack
Nov 22, 2023 · Operations

Designing Multi‑Active (Active‑Active) Architecture Across Regions: Scenarios, Patterns, and Practical Techniques

This article explains the motivations, application scenarios, architectural patterns, and step‑by‑step design techniques for building geographically distributed active‑active systems that can survive extreme failures while balancing cost, complexity, and data consistency requirements.

Active-ActiveDistributed SystemsSystem Design
0 likes · 32 min read
Designing Multi‑Active (Active‑Active) Architecture Across Regions: Scenarios, Patterns, and Practical Techniques
Aikesheng Open Source Community
Aikesheng Open Source Community
Oct 31, 2023 · Databases

MySQL Disaster Recovery: Multi‑Region Three‑Center Replication and RTO/RPO Optimization

This article explains the principles of disaster recovery for MySQL, covering RTO/RPO metrics, national backup level standards, common master‑slave topologies, a comparative analysis of high‑availability solutions, and a detailed three‑center multi‑region replication design with code patches to avoid replication loops.

RPORTOReplication
0 likes · 17 min read
MySQL Disaster Recovery: Multi‑Region Three‑Center Replication and RTO/RPO Optimization
Architecture and Beyond
Architecture and Beyond
Oct 29, 2023 · Operations

Postmortem of the October 23 Yuque Service Outage: Lessons on Complex Systems and the KISS Principle

The October 23 Yuque outage, caused by a buggy upgrade tool and outdated storage hardware, highlighted the importance of thorough testing, robust disaster‑recovery, high‑availability architecture, clear communication, continuous learning, and applying the KISS principle to simplify complex systems and improve operational stability.

Complex SystemsKISS principleOperations
0 likes · 10 min read
Postmortem of the October 23 Yuque Service Outage: Lessons on Complex Systems and the KISS Principle
Su San Talks Tech
Su San Talks Tech
Oct 27, 2023 · Operations

What We Learned from Yuque’s October 23 Outage: A Detailed Incident Review

This article walks through Yuque’s October 23 service disruption, detailing each timeline milestone, analyzing the root causes, highlighting the importance of monitoring and data integrity checks, and offering concrete post‑mortem recommendations to improve future incident handling.

Cloud Servicesdisaster recoveryincident response
0 likes · 12 min read
What We Learned from Yuque’s October 23 Outage: A Detailed Incident Review
Architect
Architect
Oct 19, 2023 · Industry Insights

How Vivo Built a Highly Available Push System: Multi‑Region Architecture, Real‑Time Traffic Scheduling, and Disaster‑Recovery Strategies

This article analyzes the design of Vivo's push notification platform, detailing its high‑concurrency requirements, three‑region long‑connection deployment, traffic‑scheduling bypass layer, and layered storage disaster‑recovery solutions, while explaining the trade‑offs and performance metrics behind each architectural decision.

Cloud NativeKafkaRedis
0 likes · 14 min read
How Vivo Built a Highly Available Push System: Multi‑Region Architecture, Real‑Time Traffic Scheduling, and Disaster‑Recovery Strategies
Tencent Cloud Developer
Tencent Cloud Developer
Sep 20, 2023 · Operations

Storage Governance and Optimization Practices for Meeting Control Systems

The article explains how a meeting control system tackled severe storage pressure from high concurrent traffic by introducing a proxy layer, multi‑active disaster‑recovery, identity‑based data isolation, dynamic‑static key separation, multi‑level caching, overload protection, sharding with dual‑write migration, and extensive monitoring to meet 100k QPS and ensure reliability.

RedisStorage Optimizationdatabase sharding
0 likes · 49 min read
Storage Governance and Optimization Practices for Meeting Control Systems
Tech Architecture Stories
Tech Architecture Stories
Aug 15, 2023 · Cloud Native

Unlocking Microservice Success: The Interplay of Metrics, Governance, and Validation

This article explains how measurement (SLI/SLO), governance (architecture refactoring, MTTx), and validation (chaos engineering, disaster drills) interrelate in microservice systems, illustrating how observability drives governance actions, governance improves metrics, and validation reinforces both through continuous testing.

MicroservicesObservabilitySLI
0 likes · 4 min read
Unlocking Microservice Success: The Interplay of Metrics, Governance, and Validation
Baidu Geek Talk
Baidu Geek Talk
Jul 21, 2023 · Cloud Native

Baidu Zhidao Cloud Migration Practice: From Legacy OXP to Cloud-Native Architecture

Baidu Zhidao migrated its 18‑year‑old Q&A platform from a legacy OXP architecture to a cloud‑native solution using Pandora containers and the Zhiyun platform, overcoming complex code, high traffic, and zero‑downtime requirements, and achieved full traffic migration, 99.99% SLA, reduced latency, and enhanced elasticity and multi‑region disaster recovery.

Infrastructure EvolutionPaaScloud migration
0 likes · 13 min read
Baidu Zhidao Cloud Migration Practice: From Legacy OXP to Cloud-Native Architecture
vivo Internet Technology
vivo Internet Technology
Apr 26, 2023 · Operations

Disaster Recovery Design and Practices for Vivo Push System

Vivo’s push platform achieves high‑availability disaster recovery by deploying multi‑region broker clusters, implementing dual‑active logic nodes across two data centers, adding a Kafka‑backed buffering layer for traffic spikes, and using a hybrid Redis‑plus‑disk KV storage scheme to ensure durable, real‑time message delivery.

KafkaPush SystemRedis
0 likes · 11 min read
Disaster Recovery Design and Practices for Vivo Push System
ITPUB
ITPUB
Apr 10, 2023 · Backend Development

How Bilibili Scales Its Like Service: Architecture, Storage, and Disaster Recovery

This article details Bilibili's thumb‑up system design, covering business capabilities, multi‑layer storage, traffic handling, disaster‑recovery strategies, and future plans to ensure a high‑traffic, reliable like service for videos, posts, comments, and more.

Backenddisaster recoverystorage
0 likes · 15 min read
How Bilibili Scales Its Like Service: Architecture, Storage, and Disaster Recovery
Programmer DD
Programmer DD
Mar 16, 2023 · Operations

Why High Availability Matters: Building Fault‑Tolerant Cloud Systems

The article explains how system failures like bugs, security breaches, and cloud outages can cripple businesses, and outlines the concepts of fault tolerance and disaster recovery as essential components of high‑availability architectures to ensure continuous service and protect revenue.

disaster recoveryfault tolerancehigh availability
0 likes · 7 min read
Why High Availability Matters: Building Fault‑Tolerant Cloud Systems
ITPUB
ITPUB
Mar 14, 2023 · Big Data

How to Build Real-Time Active‑Active Disaster Recovery for OLAP MPP Clusters

This article explains why disaster‑recovery and active‑active architectures are essential for OLAP MPP data‑warehouse clusters, outlines the specific RPO/RTO requirements for batch and real‑time workloads, and compares several data‑synchronization techniques and active‑active deployment models with their advantages and drawbacks.

Active-ActiveMPPOLAP
0 likes · 12 min read
How to Build Real-Time Active‑Active Disaster Recovery for OLAP MPP Clusters
DaTaobao Tech
DaTaobao Tech
Feb 27, 2023 · Cloud Computing

Design of a Generic Backup and Disaster Recovery Solution

The proposed generic backup and disaster‑recovery framework introduces three business layers—backup data, DR retrieval, and dirty‑data cleanup—supporting both manual and scheduled backups, automatic or manual cleanup, pagination, bucketed delivery, sharding, and customizable filter chains to prevent large‑scale inconsistencies during failures.

BackupBucketarchitecture
0 likes · 7 min read
Design of a Generic Backup and Disaster Recovery Solution
ITPUB
ITPUB
Jan 12, 2023 · Operations

How to Build a Truly High‑Availability System: 6 Essential Design Layers

This article breaks down the essential design and operational considerations for achieving high availability across six layers—development standards, application services, storage, product strategy, operations deployment, and incident response—providing concrete practices, metrics, and safeguards to reach four‑nine (99.99%) uptime.

OperationsSystem Designcapacity planning
0 likes · 25 min read
How to Build a Truly High‑Availability System: 6 Essential Design Layers
DaTaobao Tech
DaTaobao Tech
Jan 11, 2023 · Game Development

Game Quality Assurance and Testing in Taobao Mini Program Ecosystem

The article examines the unique QA and testing challenges of Taobao’s Mini Program game ecosystem—such as incomplete container tools, lacking engine standards, and diverse usage patterns—and proposes solutions including a dedicated testing infrastructure, performance standards, automated integration, proactive monitoring, fault simulation, and future enhancements.

FCanvas renderingMobile DevelopmentPerformance Monitoring
0 likes · 20 min read
Game Quality Assurance and Testing in Taobao Mini Program Ecosystem
Top Architect
Top Architect
Dec 29, 2022 · Backend Development

High‑Availability Strategies for Stateful Backend Services: Cold Backup, Dual‑Machine Active/Standby, Same‑City and Cross‑City Active‑Active, and Multi‑Active Architectures

The article explains various high‑availability solutions for stateful backend services, comparing cold backup, dual‑machine active/standby, same‑city active‑active, cross‑city active‑active, and cross‑city multi‑active approaches, and discusses their trade‑offs, implementation details, and real‑world examples from large internet companies.

Backend Architectureactive standbycold backup
0 likes · 16 min read
High‑Availability Strategies for Stateful Backend Services: Cold Backup, Dual‑Machine Active/Standby, Same‑City and Cross‑City Active‑Active, and Multi‑Active Architectures
Architects' Tech Alliance
Architects' Tech Alliance
Nov 5, 2022 · Databases

Data Replication: Fundamentals, Technologies, and Future Trends

This article explains the concept of data replication, its three-stage process, key principles of compliance, timeliness, and diversity, various replication methods, layered technologies across storage, operating system, and database levels, emerging cloud and big‑data solutions, and heterogeneous use‑case scenarios.

Big Datadata replicationdatabases
0 likes · 15 min read
Data Replication: Fundamentals, Technologies, and Future Trends
dbaplus Community
dbaplus Community
Oct 15, 2022 · Backend Development

Why Unitized Architecture Is the Key to Scalable Financial IT Systems

The article explains why large financial institutions need a unitized (Set‑based) architecture to improve resource utilization, achieve city‑level disaster recovery, and support massive user traffic, then defines the concept and outlines a four‑step process for building such a system.

data shardingdisaster recoveryfinancial IT
0 likes · 8 min read
Why Unitized Architecture Is the Key to Scalable Financial IT Systems
Programmer DD
Programmer DD
Oct 11, 2022 · Operations

How to Achieve High Availability for Stateful Backend Services?

This article explores various high‑availability strategies for stateful backend services, comparing cold backup, active/standby, same‑city active‑active, and multi‑site active‑active solutions, discussing their benefits, limitations, and practical implementation examples from large‑scale internet companies.

Active-ActiveBackend Architecturedisaster recovery
0 likes · 17 min read
How to Achieve High Availability for Stateful Backend Services?
Efficient Ops
Efficient Ops
Sep 29, 2022 · Operations

Mastering High Availability: From Cold Backups to Multi‑Active Disaster Recovery

This article explores the evolution of high‑availability strategies for stateful backend services, comparing cold backups, active/standby, same‑city and cross‑city active‑active setups, and discusses the trade‑offs, design considerations, and real‑world implementations of multi‑active and multi‑active architectures.

Active-ActiveBackend Architectureactive standby
0 likes · 16 min read
Mastering High Availability: From Cold Backups to Multi‑Active Disaster Recovery
DeWu Technology
DeWu Technology
Sep 26, 2022 · Cloud Native

DeWu's High‑Availability Architecture Evolution

DeWu’s tech team describes how their e‑commerce platform grew from a simple PHP monolith to a containerized active‑active, multi‑region system with hot‑standby failover, comprehensive governance, full‑link stress testing, and detailed big‑sale preparation, illustrating a systematic, evolving high‑availability architecture that balances scalability, disaster recovery, and business continuity.

MicroservicesSystem Architecturedisaster recovery
0 likes · 21 min read
DeWu's High‑Availability Architecture Evolution
Architects' Tech Alliance
Architects' Tech Alliance
Sep 19, 2022 · Operations

Fundamentals of Data Replication, Backup, and Disaster Recovery

This article explains the core concepts of disaster recovery and data backup—including RTO, RPO, recovery levels, cloud disaster recovery, backup types, copy data management, deduplication, compression, and block/file/database backup—while also noting related commercial offerings.

Copy Data ManagementRPORTO
0 likes · 13 min read
Fundamentals of Data Replication, Backup, and Disaster Recovery
Alibaba Cloud Developer
Alibaba Cloud Developer
Sep 14, 2022 · Operations

Mastering System Stability: From Fault Prevention to Emergency Response

This article outlines a comprehensive safety‑production framework that covers pre‑incident fault prevention, incident response, and post‑mortem improvement, detailing design‑for‑failure principles such as redundancy, isolation, idempotence, monitoring, automation, disaster recovery, scaling, rate‑limiting, and continuous testing to ensure reliable, resilient services.

Reliabilitydisaster recoveryincident management
0 likes · 16 min read
Mastering System Stability: From Fault Prevention to Emergency Response
Architects' Tech Alliance
Architects' Tech Alliance
Aug 28, 2022 · Databases

Data Replication: Fundamentals, Technologies, and Industry Trends

The article explains data replication concepts, processes, and technologies across storage hardware, operating system, and database layers, outlines synchronous, asynchronous, and hybrid methods, discusses industry applications, trends such as hardware‑software decoupling, cloud replication, and big‑data real‑time copying, and highlights challenges and future directions.

Big Dataclouddata replication
0 likes · 14 min read
Data Replication: Fundamentals, Technologies, and Industry Trends
Baidu Geek Talk
Baidu Geek Talk
Aug 17, 2022 · Industry Insights

How Baidu Cloud Storage Solves the Four Big Challenges of the ABC Era

This article examines the massive data, cost, stability, and diversity challenges of the AI‑driven, big‑data, cloud‑first "ABC" era and explains how Baidu's Canghai storage portfolio—including BOS, CDS, CFS, PFS, RapidFS, CloudFlow, and storage gateways—addresses each issue through scalable architecture, tiered lifecycle policies, multi‑AZ disaster recovery, and integrated hybrid‑cloud solutions.

BaiduData Migrationcloud storage
0 likes · 16 min read
How Baidu Cloud Storage Solves the Four Big Challenges of the ABC Era
Baidu Intelligent Cloud Tech Hub
Baidu Intelligent Cloud Tech Hub
Aug 15, 2022 · Cloud Computing

How Baidu’s Canghai Storage Tackles Massive Data Challenges in the Cloud

This article outlines the four major storage challenges of the ABC era—massive scale, cost efficiency, stability, and diversity—and explains how Baidu’s Canghai storage suite, including BOS, CDS, CFS, PFS, RapidFS, CloudFlow, and storage gateways, addresses each through multi‑cloud migration, tiered lifecycle management, and robust disaster‑recovery solutions.

AIBig DataData Migration
0 likes · 15 min read
How Baidu’s Canghai Storage Tackles Massive Data Challenges in the Cloud
DaTaobao Tech
DaTaobao Tech
Aug 15, 2022 · Cloud Native

Reflections on CAP Theory, ACID, BASE, and Cloud‑Native Fault Tolerance

Reflecting on reading, the author reviews CAP theory’s consistency‑availability‑partition trade‑offs, extends ACID and BASE concepts, proposes modernizing CAP objects to consistency, fault and disaster tolerance, and examines how cloud‑native architectures, micro‑services, and SLA‑driven designs reshape fault tolerance and future self‑healing systems.

ACIDBASECAP theorem
0 likes · 21 min read
Reflections on CAP Theory, ACID, BASE, and Cloud‑Native Fault Tolerance
DataFunSummit
DataFunSummit
Aug 12, 2022 · Big Data

JD's Big Data Cross‑Domain and Hierarchical Storage Practices

JD’s article details its big‑data platform’s cross‑domain and hierarchical storage solutions, describing the challenges of multi‑datacenter data synchronization, the architecture of its storage layer, the implemented asynchronous and synchronous data flows, topology management, metadata tagging, and performance‑enhancing techniques for efficient, disaster‑resilient data handling.

Data PlatformHierarchical Storagecross-domain storage
0 likes · 11 min read
JD's Big Data Cross‑Domain and Hierarchical Storage Practices
Architects' Tech Alliance
Architects' Tech Alliance
Aug 2, 2022 · Databases

China Database Market 2022: Rankings, Growth Trends and Future Outlook

The July 2022 China Database Popularity Ranking lists 232 databases with DM moving up to second place, while IDC reports a $15.8 billion market in H2 2021 growing 34.9% year‑over‑year and predicts the sector will reach $95.5 billion by 2026, accompanied by a collection of monthly analysis PDFs and extensive resources on active‑active disaster‑recovery solutions.

ChinaDatabase MarketDatabase Rankings
0 likes · 6 min read
China Database Market 2022: Rankings, Growth Trends and Future Outlook
Architects' Tech Alliance
Architects' Tech Alliance
Jul 30, 2022 · Operations

Analysis of Arbitration and Two‑Site‑Three‑Center (3DC) Solutions in Dual‑Active Data Center Disaster Recovery

This article examines key arbitration mechanisms and the two‑site‑three‑center (3DC) extension model for dual‑active data‑center disaster‑recovery, comparing implementations from Huawei, EMC, IBM, HDS and NetApp, and discusses design considerations, risks of brain‑split, and best‑practice deployment options.

3DCDual-Activearbitration
0 likes · 32 min read
Analysis of Arbitration and Two‑Site‑Three‑Center (3DC) Solutions in Dual‑Active Data Center Disaster Recovery
ByteDance SE Lab
ByteDance SE Lab
Jun 28, 2022 · Backend Development

Douyin's Video Red Packet System: Architecture, Scaling Challenges & Solutions

During the Chinese New Year campaign, Douyin integrated video creation with red packet gifting, supporting both B2C and C2C flows; this article details the system’s core operations, modular design, high‑traffic subsidy handling, concurrency strategies, fault tolerance, security measures, and comprehensive performance testing.

Backend ArchitectureScalabilitySystem Design
0 likes · 24 min read
Douyin's Video Red Packet System: Architecture, Scaling Challenges & Solutions
Efficient Ops
Efficient Ops
Jun 22, 2022 · Operations

How Major Banks Design Disaster‑Recovery Architecture for Uninterrupted Service

This article examines banking regulatory requirements and typical disaster‑recovery architectures, explains system tiering and recovery‑time objectives, and shares the Industrial and Commercial Bank of China's evolution from a two‑site, two‑center model to a cloud‑native, multi‑center disaster‑recovery framework, offering practical design insights.

architecturebusiness continuitydisaster recovery
0 likes · 14 min read
How Major Banks Design Disaster‑Recovery Architecture for Uninterrupted Service
Baidu Geek Talk
Baidu Geek Talk
Jun 13, 2022 · Backend Development

Baidu Comment Middle Platform: Architecture Design and Implementation

Baidu's Comment Middle Platform evolved from a single service into a robust middleware that delivers stable, high‑performance comment functionality across more than twenty products, handling hundreds of millions of daily requests with 99.995% SLA through graph‑based scheduling, tiered caching, and scalable sorting mechanisms.

BaiduComment SystemGraph Scheduling
0 likes · 17 min read
Baidu Comment Middle Platform: Architecture Design and Implementation
Architects' Tech Alliance
Architects' Tech Alliance
Apr 2, 2022 · Industry Insights

How Financial Institutions Secure Database Continuity: Disaster Recovery Strategies & Market Trends

This article examines the critical role of databases in finance, defines disaster recovery and backup concepts, outlines industry requirements and regulations, analyzes market growth, and compares distributed database disaster‑recovery architectures such as single‑center, city‑level mutual backup, active‑active, and two‑site three‑center solutions.

BackupDistributed SystemsFinancial Services
0 likes · 15 min read
How Financial Institutions Secure Database Continuity: Disaster Recovery Strategies & Market Trends
Sanyou's Java Diary
Sanyou's Java Diary
Mar 20, 2022 · Operations

Unlocking Ultra‑High Availability: The Secrets of Geo‑Active Multi‑Active Architecture

This article explains what geo‑active multi‑active (异地多活) architecture is, why it is needed for ultra‑high availability, and walks through the step‑by‑step evolution from a single‑node system to sophisticated multi‑data‑center designs that use redundancy, disaster‑recovery, data synchronization, routing, and conflict‑resolution techniques.

data replicationdisaster recoverymulti-active
0 likes · 31 min read
Unlocking Ultra‑High Availability: The Secrets of Geo‑Active Multi‑Active Architecture
Ops Development Stories
Ops Development Stories
Mar 10, 2022 · Operations

Mastering Distributed High Availability: From Single‑Node to Multi‑Active Architecture

This comprehensive guide explains why modern software systems need geo‑distributed multi‑active architectures, walks through the evolution from basic single‑node setups to master‑slave replication, same‑city disaster recovery, dual‑active, two‑city three‑center, and true multi‑active designs, and highlights the key principles, risks, and implementation strategies for achieving ultra‑high availability.

Distributed SystemsSystem Designdisaster recovery
0 likes · 32 min read
Mastering Distributed High Availability: From Single‑Node to Multi‑Active Architecture
Alibaba Cloud Native
Alibaba Cloud Native
Feb 10, 2022 · Cloud Native

How Multi-Active Architecture Can Eliminate Downtime: Inside Alibaba Cloud’s AppActive

Despite widespread cloud adoption, large‑scale outages still occur, prompting Alibaba Cloud’s high‑availability team to share the evolution, principles, and open‑source implementation of multi‑active disaster recovery (AppActive) that aims to achieve minute‑level failover and near‑zero downtime.

Alibaba CloudAppActivedisaster recovery
0 likes · 11 min read
How Multi-Active Architecture Can Eliminate Downtime: Inside Alibaba Cloud’s AppActive
Architects' Tech Alliance
Architects' Tech Alliance
Jan 30, 2022 · Cloud Computing

Why Hybrid Cloud Is the Future: Key Scenarios and Challenges Explained

The article explains what hybrid cloud is, outlines five typical use cases such as load scaling, disaster recovery, data backup, application deployment, and dev‑test‑prod workflows, and discusses three major challenges including ecosystem innovation, unified multi‑cloud management, and cloud‑network collaboration.

Infrastructure ManagementScalabilitydisaster recovery
0 likes · 7 min read
Why Hybrid Cloud Is the Future: Key Scenarios and Challenges Explained
21CTO
21CTO
Jan 21, 2022 · Frontend Development

How Meituan’s Phoenix SDK Enables Client‑Side CDN Disaster Recovery

This article explains Meituan's Phoenix solution that moves CDN disaster recovery to the client side, detailing its goals, architecture, dynamic calculation service, monitoring platform, implementation for web and native apps, and the measurable improvements in availability and operational efficiency.

CDNMeituanPhoenix SDK
0 likes · 18 min read
How Meituan’s Phoenix SDK Enables Client‑Side CDN Disaster Recovery
ITPUB
ITPUB
Jan 19, 2022 · Frontend Development

How Meituan’s Phoenix SDK Enables Automatic Client‑Side CDN Failover

Meituan’s Phoenix solution equips web and native clients with an automatic CDN failover SDK, dynamic domain selection, and fine‑grained monitoring, dramatically improving resource loading success rates, reducing SRE workload, and ensuring high availability across millions of daily users.

CDNMeituanPhoenix
0 likes · 20 min read
How Meituan’s Phoenix SDK Enables Automatic Client‑Side CDN Failover
DeWu Technology
DeWu Technology
Jan 19, 2022 · Operations

Common High‑Availability Architecture Patterns and Multi‑Active Deployment Strategies

Covering essential high‑availability techniques, the article examines disaster‑recovery architectures from same‑city dual‑center to cross‑country active‑passive deployments, compares five patterns, details three multi‑active models, outlines required traffic‑scheduling, replication, and database layers, and provides design methodology, practical safeguards, and key HA metrics.

Distributed Systemsdata replicationdisaster recovery
0 likes · 23 min read
Common High‑Availability Architecture Patterns and Multi‑Active Deployment Strategies
Meituan Technology Team
Meituan Technology Team
Jan 13, 2022 · Operations

Phoenix: Client‑Side CDN Disaster Recovery Solution at Meituan

Phoenix is Meituan’s client‑side CDN disaster‑recovery system that uses a Webpack‑based SDK, dynamic calculation service, and monitoring platform to automatically detect load failures, switch domains, isolate problems, and continuously hot‑standby resources, boosting resource success rates from 99.7 % to 99.9 % across hundreds of projects.

CDNMeituanSRE
0 likes · 16 min read
Phoenix: Client‑Side CDN Disaster Recovery Solution at Meituan
MaGe Linux Operations
MaGe Linux Operations
Jan 6, 2022 · Cloud Native

How to Build Minute‑Level Hybrid Cloud Disaster Recovery with MSHA Multi‑Active Architecture

This article presents a step‑by‑step guide for constructing a hybrid cloud disaster‑recovery solution using MSHA's multi‑active architecture, covering business background, design challenges, dual‑active deployment, traffic routing, data synchronization, one‑click failover, and validation of sub‑minute RPO/RTO for e‑commerce platforms.

Alibaba CloudMSHAcloud-native
0 likes · 14 min read
How to Build Minute‑Level Hybrid Cloud Disaster Recovery with MSHA Multi‑Active Architecture