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Baidu Geek Talk
Baidu Geek Talk
Feb 17, 2025 · Operations

How Baidu Netdisk Prevents Service Avalanches: Dynamic Circuit Breaking & Queue Control

This article analyzes Baidu Netdisk's anti‑avalanche architecture, explaining how avalanche cascades occur in high‑concurrency services and detailing practical prevention, blocking, and mitigation techniques such as dynamic circuit breaking, traffic isolation, request‑validity checks, and socket‑level detection to maintain system reliability.

Backend ArchitectureCircuit BreakingDynamic Throttling
0 likes · 18 min read
How Baidu Netdisk Prevents Service Avalanches: Dynamic Circuit Breaking & Queue Control
Sohu Tech Products
Sohu Tech Products
Oct 30, 2024 · Backend Development

How to Build Dynamic Parameter‑Level Rate Limiting with Sentinel

This article explains the need for dynamic, fine‑grained rate limiting in high‑traffic services, describes Sentinel's core mechanisms, and details a three‑step implementation—data collection, rule management, and traffic verification—using sliding‑window counters and priority‑based throttling.

BackendDynamic ThrottlingMicroservices
0 likes · 17 min read
How to Build Dynamic Parameter‑Level Rate Limiting with Sentinel
dbaplus Community
dbaplus Community
Dec 3, 2023 · Databases

How Qunar Revamped Its Database Backup System for 27× Speed Gains

The article details Qunar’s senior DBA Qian Fangyuan’s redesign of the company’s database backup and recovery platform, explaining the shortcomings of the legacy system, the new architecture, high‑performance backup techniques using Xtrabackup, dynamic throttling, storage abstraction, and the resulting dramatic improvements in backup and restore speeds and reliability.

Database BackupDynamic ThrottlingPerformance Optimization
0 likes · 35 min read
How Qunar Revamped Its Database Backup System for 27× Speed Gains
Qunar Tech Salon
Qunar Tech Salon
Nov 20, 2023 · Databases

Design and Implementation of a High‑Performance Database Backup and Recovery System

This article presents a comprehensive analysis of the shortcomings of an existing database backup solution and details the architecture, high‑performance backup and restore mechanisms, dynamic throttling, storage abstraction, and experimental results of a newly designed, scalable backup‑recovery platform for MySQL databases.

Database BackupDynamic Throttlinghigh performance
0 likes · 33 min read
Design and Implementation of a High‑Performance Database Backup and Recovery System