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High Availability Architecture
High Availability Architecture
Jan 17, 2025 · Databases

Design and Implementation of a Multi‑Level Comment Storage System for Bilibili

This article presents a comprehensive design of Bilibili's comment service architecture, detailing the transition from TiDB to a multi‑level storage system based on Taishan KV, the data models, consistency mechanisms, retry and versioning strategies, and a hedging‑based degradation policy to ensure high availability under heavy traffic.

Distributed SystemsTaishan KVTiDB
0 likes · 13 min read
Design and Implementation of a Multi‑Level Comment Storage System for Bilibili
Cognitive Technology Team
Cognitive Technology Team
Aug 25, 2024 · Operations

Fault Isolation Techniques for High Availability in Distributed Systems

The article explains fault isolation as a key technique for improving distributed system availability, detailing multiple isolation levels—from data‑center to user‑level—and complementary strategies such as circuit breakers, timeouts, fast‑fail, load balancing, caching, and degradation switches.

Distributed SystemsLoad BalancingResource Isolation
0 likes · 10 min read
Fault Isolation Techniques for High Availability in Distributed Systems
Top Architect
Top Architect
Aug 15, 2024 · Backend Development

Handling Interface‑Level Failures: Degradation, Circuit Breaking, Rate Limiting, and Queuing

The article explains how interface‑level faults—where the system stays up but business performance degrades—can be mitigated through four core techniques (degradation, circuit breaking, rate limiting, and queuing), detailing their principles, implementation patterns, and practical trade‑offs for backend services.

Rate Limitingbackendcircuit-breaker
0 likes · 20 min read
Handling Interface‑Level Failures: Degradation, Circuit Breaking, Rate Limiting, and Queuing
Top Architect
Top Architect
Aug 10, 2024 · Backend Development

Handling Interface-Level Failures: Degradation, Circuit Breaking, Rate Limiting, and Queuing

The article explains interface‑level failures in business systems and presents four mitigation strategies—degradation, circuit breaking, rate limiting, and queuing—detailing their principles, implementation methods, and algorithmic choices such as fixed and sliding windows, token bucket and leaky bucket.

Rate LimitingReliabilitybackend
0 likes · 18 min read
Handling Interface-Level Failures: Degradation, Circuit Breaking, Rate Limiting, and Queuing
Architect
Architect
Aug 6, 2024 · Operations

Handling Interface-Level Failures: Degradation, Circuit Breaking, Rate Limiting, and Queuing

The article explains what interface‑level failures are, why they occur due to internal bugs or external overload, and presents four practical mitigation techniques—degradation, circuit breaking, rate limiting, and queuing—detailing their principles, implementation options, and trade‑offs for reliable system operation.

Rate Limitingcircuit-breakerdegradation
0 likes · 16 min read
Handling Interface-Level Failures: Degradation, Circuit Breaking, Rate Limiting, and Queuing
JD Retail Technology
JD Retail Technology
Jul 12, 2024 · Backend Development

Service Design Tips and Best Practices for Robust API Development

This article explores essential service design considerations beyond standard guidelines, covering API path structuring, request handling, parameter design, security measures, monitoring, degradation strategies, and code examples to help build flexible, secure, and maintainable backend services.

API designBackend DevelopmentMicroservices
0 likes · 19 min read
Service Design Tips and Best Practices for Robust API Development
IT Architects Alliance
IT Architects Alliance
Jun 25, 2024 · Operations

Traffic Governance and High‑Availability Strategies for Microservice Systems

The article explains how traffic governance—including circuit breaking, isolation, retries, degradation, timeout handling, and rate limiting—maintains the three‑high goals of high performance, high availability, and easy scalability in microservice architectures, using practical examples and formulas.

High AvailabilityMicroservicesRate Limiting
0 likes · 29 min read
Traffic Governance and High‑Availability Strategies for Microservice Systems
Architect
Architect
Jun 24, 2024 · Operations

Traffic Governance and High‑Availability Strategies for Microservices

This article explains how traffic governance—including circuit breaking, isolation, retry mechanisms, degradation, timeout control, and rate limiting—helps microservice systems achieve the three‑high goals of high performance, high availability, and easy scalability, using concrete formulas, algorithms, and practical examples.

High AvailabilityMicroservicesRate Limiting
0 likes · 29 min read
Traffic Governance and High‑Availability Strategies for Microservices
Architect
Architect
Apr 22, 2024 · Operations

Flow Governance and High‑Availability Strategies for Microservice Systems

This article explains how to achieve high availability in microservice architectures by applying flow governance techniques such as circuit breaking, isolation, retry policies, degradation, timeout management, and rate limiting, while detailing key metrics like MTBF and MTTR and providing practical implementation guidance.

Flow ControlHigh AvailabilityMicroservices
0 likes · 30 min read
Flow Governance and High‑Availability Strategies for Microservice Systems
High Availability Architecture
High Availability Architecture
Feb 1, 2024 · Backend Development

High Concurrency: Challenges, Caching Strategies, Rate Limiting, and Degradation

This article explains the concept of high concurrency, its challenges such as performance degradation and resource contention, and presents comprehensive solutions including various caching mechanisms, multiple rate‑limiting algorithms, and degradation and circuit‑breaker strategies to ensure system stability under heavy load.

CachingRate Limitingcircuit-breaker
0 likes · 43 min read
High Concurrency: Challenges, Caching Strategies, Rate Limiting, and Degradation
Bilibili Tech
Bilibili Tech
Mar 4, 2022 · Operations

Stability Engineering Practices for Large-Scale Live Streaming: Bilibili's S11 World Championship Case Study

To deliver a flawless live broadcast of the 2021 League of Legends S11 World Championship to over 100 million viewers, Bilibili mobilized hundreds of engineers for four months, establishing strict standards, modeling dozens of user scenarios, estimating traffic, conducting layered stress and chaos tests, implementing automated and manual degradation, detailed SOPs, rate‑limiting safeguards, and on‑site monitoring, which together ensured system stability throughout the event.

Chaos EngineeringLive StreamingOperations
0 likes · 14 min read
Stability Engineering Practices for Large-Scale Live Streaming: Bilibili's S11 World Championship Case Study
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Oct 16, 2021 · Backend Development

Handling MQ Failures: Encapsulation, Degradation, and Message Resend Strategies

The article explains how to properly deal with message‑queue (MQ) outages by first encapsulating MQ operations, then applying degradation tactics such as persisting failed messages to a database, disk, or log, and finally implementing scheduled or manual message‑replay mechanisms while emphasizing monitoring and fallback logic.

Failure HandlingMQMessage Queue
0 likes · 5 min read
Handling MQ Failures: Encapsulation, Degradation, and Message Resend Strategies
Qunar Tech Salon
Qunar Tech Salon
Feb 7, 2020 · Operations

Internal Resource Governance Practices for High‑Availability Systems

This article outlines comprehensive internal resource governance techniques—including degradation, circuit breaking, isolation, async conversion, thread‑pool management, JVM and hardware metric monitoring, and daily operational practices—to enhance system stability and high availability in large‑scale backend services.

High AvailabilitySystem Stabilitybackend operations
0 likes · 10 min read
Internal Resource Governance Practices for High‑Availability Systems
JD Retail Technology
JD Retail Technology
Nov 7, 2019 · Operations

7FRESH Technical Preparation for the 11.11 Shopping Festival: System Scaling, Degradation Strategies, Emergency Plans, Performance Testing, and Operational Monitoring

The article details how 7FRESH's R&D, testing, network operations, and product teams coordinated system capacity expansion, degradation mechanisms, emergency response procedures, extensive performance testing, and 24/7 monitoring to ensure stable and scalable service during the high‑traffic 11.11 shopping event.

Capacity PlanningOperationsdegradation
0 likes · 10 min read
7FRESH Technical Preparation for the 11.11 Shopping Festival: System Scaling, Degradation Strategies, Emergency Plans, Performance Testing, and Operational Monitoring
Yuewen Technology
Yuewen Technology
Jun 30, 2017 · Backend Development

How Datagateway Handles High‑Traffic: Caching, Throttling, and Failover Strategies

This article examines how Datagateway, a centralized data access layer, tackles high‑traffic challenges through layered architecture, distributed caching strategies, thundering‑herd mitigation, hot‑key handling, disaster‑recovery mechanisms, and degradation‑circuit‑breaker techniques to maintain system stability and performance.

CachingSystem Architecturebackend
0 likes · 15 min read
How Datagateway Handles High‑Traffic: Caching, Throttling, and Failover Strategies
Baidu Waimai Technology Team
Baidu Waimai Technology Team
Jun 6, 2017 · Backend Development

Design and Optimization of Baidu Waimai Activity Module Architecture

This article presents a comprehensive redesign of Baidu Waimai’s client‑side activity module, detailing background challenges, design goals, functional and performance specifications, trade‑off analyses of three architectural alternatives, and the chosen parallel HTTP‑request solution with monitoring, degradation, and phased rollout plans.

MonitoringPerformance OptimizationRedis
0 likes · 8 min read
Design and Optimization of Baidu Waimai Activity Module Architecture