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142373 articles · Page 6777 of 7119
Qudian (formerly Qufenqi) Technology Team
Qudian (formerly Qufenqi) Technology Team
Jan 18, 2017 · Operations

Building a Scalable Business Monitoring System: Architecture, Modules & Lessons

This article presents a comprehensive case study of a business monitoring system, covering its background, architectural analysis, module design, time‑series database selection, visualization with Grafana, alerting strategies, decision‑making logic, and intelligent monitoring experiments, followed by key takeaways and lessons learned.

GrafanaInfluxDBarchitecture
0 likes · 12 min read
Building a Scalable Business Monitoring System: Architecture, Modules & Lessons
JavaScript
JavaScript
Jan 18, 2017 · Fundamentals

Why Understanding HTTP Is Crucial for Modern Web Development

This article explains the fundamentals of HTTP, covering client‑server interactions, page rendering flow, proxy roles, statelessness, request/response structures, common methods, limitations of HTTP/1.0, and the performance enhancements introduced by HTTP/2.

HTTPHTTP/2Web Development
0 likes · 8 min read
Why Understanding HTTP Is Crucial for Modern Web Development
Qunar Tech Salon
Qunar Tech Salon
Jan 18, 2017 · Frontend Development

React Performance Optimization for YIcon: Reducing Re‑renders and Boosting Speed

This article describes how the YIcon project tackled severe React performance bottlenecks—such as repeated renders, slow diffing, and inefficient key usage—by applying shouldComponentUpdate, component splitting, immutable data structures, stable keys, and production‑grade webpack optimizations, ultimately achieving an 80% speed gain.

ImmutablePerformanceReact
0 likes · 9 min read
React Performance Optimization for YIcon: Reducing Re‑renders and Boosting Speed
MaGe Linux Operations
MaGe Linux Operations
Jan 18, 2017 · Backend Development

Mastering High-Availability Load Balancing with LVS, Keepalived, and Nginx

This article explains the principles and practical deployment steps for high‑availability web architectures using LVS (NAT and DR modes), Keepalived clustering, and Nginx proxy, covering topology diagrams, IPVS rules, weighted scheduling, kernel tweaks, and testing procedures to ensure reliable load balancing.

BackendKeepalivedLVS
0 likes · 10 min read
Mastering High-Availability Load Balancing with LVS, Keepalived, and Nginx
Efficient Ops
Efficient Ops
Jan 17, 2017 · Databases

Inside WeChat Pay: Scaling MySQL for Millions of Payments per Second

Zhou Tang, head of WeChat Pay operations at Tencent, shares how his team built a massive MySQL‑based payment platform handling up to 150 k transactions per second, covering background, DB‑CMDB design, change management, monitoring, security, high availability, and why Golang became their core development language.

Database operationsGolangHigh Availability
0 likes · 21 min read
Inside WeChat Pay: Scaling MySQL for Millions of Payments per Second
ITPUB
ITPUB
Jan 17, 2017 · Information Security

How to Diagnose and Eradicate a Linux Trojan That Spikes Outbound Traffic

This article recounts a real‑world incident on an Ubuntu 12.04 server where massive outbound traffic was traced to a hidden trojan, detailing step‑by‑step investigation, identification of malicious processes, removal techniques, and preventive hardening measures.

Incident ResponseRootkitiptables
0 likes · 9 min read
How to Diagnose and Eradicate a Linux Trojan That Spikes Outbound Traffic
ITPUB
ITPUB
Jan 17, 2017 · Databases

Master Oracle SQL*Plus: Essential Commands for Tablespaces, Partitions, and External Data

This guide provides a comprehensive, step‑by‑step tutorial on using Oracle SQL*Plus for connecting to databases, querying tables, saving and executing scripts, handling variables, formatting output, managing tablespaces, creating external tables, and defining various partitioning strategies.

Database AdministrationExternal TablesOracle
0 likes · 11 min read
Master Oracle SQL*Plus: Essential Commands for Tablespaces, Partitions, and External Data
Tencent Cloud Developer
Tencent Cloud Developer
Jan 17, 2017 · Mobile Development

Understanding WeChat Mini Program Development: Data, UI, and Interaction Patterns

The article explains WeChat Mini Program development through MVC, detailing data acquisition methods, the WXML/WXSS UI stack, unidirectional interaction via setData, a data‑driven architecture that simplifies basics but limits complex UI control, and highlights common pitfalls such as compatibility, IDE instability, and scarce resources.

JavaScript frameworkMobile DevelopmentWXML
0 likes · 12 min read
Understanding WeChat Mini Program Development: Data, UI, and Interaction Patterns
Qudian (formerly Qufenqi) Technology Team
Qudian (formerly Qufenqi) Technology Team
Jan 17, 2017 · Frontend Development

Why requestAnimationFrame Beats setTimeout for Smooth Animations – A Deep Dive

An in‑depth investigation compares requestAnimationFrame and setTimeout for web animations, revealing how the former syncs with browser repaint cycles, why it outperforms setTimeout, the limits of manually adjusting frame rates, compatibility issues across browsers and platforms, and practical fallback implementations.

animationfrontendrequestAnimationFrame
0 likes · 9 min read
Why requestAnimationFrame Beats setTimeout for Smooth Animations – A Deep Dive
Qunar Tech Salon
Qunar Tech Salon
Jan 17, 2017 · Frontend Development

Evolution of Hybrid Routing Architecture: From Hy 1.0 to Hy 2.0 with React, Webpack Code Splitting, and Performance Optimizations

This article traces the development of Qunar's internal hybrid routing solution from the SPA‑based Hy 1.0 to the React‑driven Hy 2.0, detailing the shift to webpack code‑splitting, async loading with react‑router, and the performance and packaging challenges solved along the way.

Hybrid AppRoutingcode-splitting
0 likes · 11 min read
Evolution of Hybrid Routing Architecture: From Hy 1.0 to Hy 2.0 with React, Webpack Code Splitting, and Performance Optimizations
dbaplus Community
dbaplus Community
Jan 16, 2017 · Backend Development

Scaling a FinTech Platform to $100B Transactions with Four Overhauls

Over three years, a small fintech company transformed its platform from a single‑server PHP/Java stack to a micro‑service‑based Spring Cloud architecture, undergoing four major upgrades that introduced distributed systems, SOA governance, big‑data pipelines, MongoDB replication, Redis caching, and open‑source tools, enabling transaction volumes exceeding one hundred billion.

Big DataMicroservicesSpring Cloud
1 likes · 15 min read
Scaling a FinTech Platform to $100B Transactions with Four Overhauls
dbaplus Community
dbaplus Community
Jan 16, 2017 · Databases

How to Diagnose and Fix SQL Server Performance Bottlenecks: A Step‑by‑Step Guide

This article walks through a real‑world SQL Server case study, explaining how to assess system hardware, interpret performance counters and wait statistics, identify CPU, memory, disk and indexing issues, and apply a three‑stage optimization process to dramatically improve database performance.

Database OptimizationIndex managementPerformance Tuning
0 likes · 11 min read
How to Diagnose and Fix SQL Server Performance Bottlenecks: A Step‑by‑Step Guide