The article recounts Ctrip’s three‑year transition from a traditional call‑center and web‑based OTA to a mobile‑first travel platform, detailing statistical growth, product consolidation, open API initiatives, system decoupling, performance monitoring, and continuous reliability improvements.
This article explains the background, implementation, usage, and real‑world integration of TMySQLParse, a MySQL‑compatible SQL audit tool developed by Tencent to automatically detect syntax errors and high‑risk statements, thereby streamlining the game‑cloud change‑order workflow.
Reverse proxy servers act as intermediaries that receive client requests, perform security filtering, cache content, and balance load across multiple backend servers, making them crucial for scaling, protecting, and optimizing modern web applications.
This article provides a comprehensive analysis of Docker 1.2's architecture, detailing each module's function, the internal workflow of key commands, and how Docker's design enables lightweight, secure container virtualization for modern cloud‑native applications.
This article explains the technical differences between "Internet+" and industrial IoT, outlines the three‑tier architecture (device, cloud, monitoring), details middleware platforms YFIOs and YFCloud, and presents several practical deployment examples across agriculture, health, fisheries and wastewater treatment.
This article explains how Dianping built a millisecond‑level real‑time computation platform using Apache Storm, covering use cases, system architecture, core Storm concepts, performance tuning, best practices, and a detailed Q&A on their production deployment.
This guide explains why Zabbix monitoring can become sluggish with large MySQL tables, and provides step‑by‑step instructions—including table modifications, stored procedures for creating, dropping, maintaining, and verifying partitions, plus automation scripts—to shrink the database and improve responsiveness.
To protect MySQL databases from unauthorized access and performance issues, this guide outlines fourteen essential security measures—including restricting remote access, regular backups, disabling default accounts, tightening user privileges, securing configuration files, and enabling logging—providing concrete commands and configuration snippets for robust protection.
In MySQL 5.6, using LIMIT together with ORDER BY on a non‑unique column can produce nondeterministic result sets, a known bug that persists regardless of indexing, and the article shows how adding a secondary unique sort key resolves the uncertainty for reliable pagination.
The article explains why storing plaintext passwords is insecure, describes one‑way hashing, the danger of rainbow tables, how salting and strong hash functions protect credentials, warns against multiple hashing, and outlines practical strategies—including HTTPS and server‑side salts—to secure user authentication.
This article explains how IBM Research leverages Spark to capture and analyze network traffic of microservice‑based applications in an OpenStack cloud, providing real‑time transaction tracing and batch latency statistics to reveal service dependencies and performance bottlenecks.
Varnish is a high‑performance open‑source reverse proxy and HTTP cache that stores data in memory for faster retrieval, using a master process to manage child workers that handle requests, allocate, serve, and evict cached objects based on LRU policies.
This tutorial explains how to build hybrid mobile apps by embedding web pages in native iOS UIWebView and Android WebView components, covering resource loading, JavaScript‑native communication, and bidirectional interaction techniques for cross‑platform development.
This article details the experience of upgrading a sample site to ASP.NET 5 RC1 on Linux, configuring Kestrel as the web server, adding SQL Server access via Entity Framework 7, handling Alibaba Cloud RDS settings, and discussing performance issues observed with Alibaba Cloud load balancing.
This article introduces Celery's architecture, its integration with the OWL monitoring system, explains workers, brokers, result handling, and presents three practical alerting strategies—fixed thresholds, dynamic floating limits, and period‑over‑period comparisons—to build an efficient, automated operations platform.
Learn a comprehensive set of 30 practical PHP best‑practice tips covering file inclusion, path handling, debugging, output buffering, security, performance, database interactions, session management, and code organization to improve maintainability, efficiency, and reliability of your backend applications.
This guide explains how to apply clean architecture principles to Android development by separating concerns into presentation, domain, and data layers, ensuring framework, UI, and database independence, and providing testing strategies and error‑handling techniques for a maintainable app.
This article walks through installing and configuring a Kubernetes 0.6.2 cluster on CentOS 7, covering core concepts, environment setup, master and minion configuration, deployment of pods, services, replication controllers, and practical testing of load balancing and scaling.
This article explains how to enable Rails fragment caching, use HTML fragment cache helpers, understand cache digests, observe read/write fragment logs, and migrate the cache store from file system to Redis by adding redis-namespace and redis-rails gems, configuring cache_store, and handling cache invalidation on data changes.
This article introduces awk as a powerful Linux text‑analysis tool, explains its line‑by‑line processing, field splitting, built‑in variables, and common command examples—from printing filenames to calculating directory sizes—demonstrating how to create scripts for sorting, filtering, and reporting data.
