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Programmer DD
Programmer DD
May 25, 2020 · Backend Development

What's New in Apache Dubbo 2.7.7? Features, Enhancements, and Bug Fixes

Apache Dubbo 2.7.7, the high‑performance lightweight Java RPC framework, introduces major features such as Nacos authentication integration, LFU cache support, network interface selection, memory‑optimized Hessian2 instances, new load‑balancing strategies, plus numerous enhancements and bug fixes to improve reliability and performance.

Apache DubboJava RPCMicroservices
0 likes · 4 min read
What's New in Apache Dubbo 2.7.7? Features, Enhancements, and Bug Fixes
Laravel Tech Community
Laravel Tech Community
May 23, 2020 · Backend Development

Mastering Swoole Timer: tick, after, clear and Advanced Methods Explained

This article provides a detailed guide to Swoole's millisecond‑precision timer API, covering the underlying epoll_wait/setitimer implementation, the static methods tick(), after(), clear() and additional utilities such as clearAll(), info(), list(), stats() and set(), with full syntax, usage examples and code snippets for both synchronous and asynchronous processes.

AsynchronousBackendPHP
0 likes · 5 min read
Mastering Swoole Timer: tick, after, clear and Advanced Methods Explained
Selected Java Interview Questions
Selected Java Interview Questions
May 23, 2020 · Databases

Root Causes and Troubleshooting of Redis Timeout Exceptions

This article analyzes why Redis service nodes may experience massive TimeoutException errors, covering external influences such as CPU and memory contention, network resource exhaustion, and internal Redis usage issues like slow queries, persistence overhead, and configuration pitfalls, and provides concrete diagnostic commands and mitigation steps.

PerformanceTimeoutExceptiondatabase
0 likes · 9 min read
Root Causes and Troubleshooting of Redis Timeout Exceptions
Big Data Technology Architecture
Big Data Technology Architecture
May 22, 2020 · Databases

HBase Compaction Types and Parameter Tuning Guide

This article explains how HBase uses WAL and MemStore to create HFiles, describes the two compaction types (Minor and Major), and provides detailed recommendations for tuning key compaction-related configuration parameters to improve query performance and reduce HDFS impact.

HBasePerformanceTuning
0 likes · 4 min read
HBase Compaction Types and Parameter Tuning Guide
360 Quality & Efficiency
360 Quality & Efficiency
May 22, 2020 · Frontend Development

Front-End Optimization Techniques: ES6 Syntax, JavaScript Array Methods, and CSS Performance Tips

This article presents practical front‑end optimization strategies, covering ES6 syntax shortcuts, efficient JavaScript array operations, careful use of closures and timers, as well as CSS tricks like sprites, animation, and avoiding repaint/reflow to improve website performance and cross‑browser compatibility.

FrontendJavaScriptPerformance
0 likes · 6 min read
Front-End Optimization Techniques: ES6 Syntax, JavaScript Array Methods, and CSS Performance Tips
Top Architect
Top Architect
May 22, 2020 · Backend Development

Java Code Optimization Details and Best Practices

This article presents comprehensive Java code optimization techniques, emphasizing error avoidance, reduced code size, and improved execution efficiency through practices such as using final modifiers, object reuse, local variables, proper resource handling, appropriate data structures, bitwise operations, and careful use of collections and concurrency utilities.

Code OptimizationPerformancebackend-development
0 likes · 25 min read
Java Code Optimization Details and Best Practices
Architecture Digest
Architecture Digest
May 22, 2020 · Operations

A Step‑by‑Step Debugging Journey of Data Drop After a Feature Release

The article recounts a detailed troubleshooting process—including data verification, code review, DBA assistance, local debugging, environment comparison, logging, packet capture, service restarts, async‑to‑sync changes, load testing, and Kafka partition tuning—that ultimately identified a Kafka partition bottleneck as the cause of a sudden data‑volume decline after a new feature went live.

OperationsPerformanceasync‑sync
0 likes · 8 min read
A Step‑by‑Step Debugging Journey of Data Drop After a Feature Release
JD Retail Technology
JD Retail Technology
May 19, 2020 · Frontend Development

Build and Release Process Optimization for the Tongtian Tower Visual CMS Using Webpack

The Tongtian Tower visual CMS team optimized its build, dependency packaging, and pre‑release workflows in Q1 2020 by migrating to webpack 4, parallelizing template builds, and improving FTP uploads, cutting total release time from 358 seconds to 160 seconds and saving roughly 7 hours of developer effort per week.

Build OptimizationPerformancecontinuous integration
0 likes · 8 min read
Build and Release Process Optimization for the Tongtian Tower Visual CMS Using Webpack
Programmer DD
Programmer DD
May 19, 2020 · Backend Development

30+ Java Refactoring Tricks to Write Cleaner, Faster Code

This article presents a comprehensive collection of Java code‑simplification techniques—from ternary operators and enhanced for‑loops to streams, Optional, design patterns, and aggressive dead‑code removal—showing how each shortcut can reduce boilerplate, improve readability, and boost performance in backend development.

Code RefactoringPerformanceclean code
0 likes · 32 min read
30+ Java Refactoring Tricks to Write Cleaner, Faster Code
JD Retail Technology
JD Retail Technology
May 18, 2020 · Mobile Development

Resolving List Reordering and Top Blank Space Issues in Android StaggeredGridLayoutManager

This article analyzes why StaggeredGridLayoutManager can cause item reordering and blank gaps at the top of a RecyclerView, explains the underlying measurement and layout mechanisms, and presents code‑level solutions such as disabling gap handling, invalidating span assignments, and using notifyItemRangeChanged instead of notifyDataSetChanged.

AndroidPerformanceRecyclerView
0 likes · 11 min read
Resolving List Reordering and Top Blank Space Issues in Android StaggeredGridLayoutManager
Laravel Tech Community
Laravel Tech Community
May 18, 2020 · Databases

How to Diagnose and Eliminate MySQL Master‑Slave Replication Lag

This article explains why MySQL master‑slave replication can suffer from latency, examines the root causes on both master and slave sides, and provides practical architectural, hardware, and configuration solutions—including semi‑sync and parallel replication—to improve data consistency and performance.

LatencyMaster‑SlaveMySQL
0 likes · 11 min read
How to Diagnose and Eliminate MySQL Master‑Slave Replication Lag
FunTester
FunTester
May 18, 2020 · Backend Development

Mastering Arthas trace: Diagnose Java Method Chains Efficiently

This guide explains how to use Arthas's trace command to capture Java method call paths, measure execution time for each node, handle class and method patterns, and highlights its limitations with lambda expressions, providing practical code examples and output analysis.

ArthasPerformancedebugging
0 likes · 6 min read
Mastering Arthas trace: Diagnose Java Method Chains Efficiently
Laravel Tech Community
Laravel Tech Community
May 17, 2020 · Databases

Can MySQL Handle 100,000 Concurrent Connections? A Real‑World Test

This article details a comprehensive experiment that evaluates MySQL's ability to sustain up to 100,000 simultaneous connections using Percona Server's thread‑pool plugin, sysbench clients, adjusted OS/network limits, and multiple IP addresses, presenting hardware specs, configuration steps, observed errors, performance metrics, and practical recommendations.

MySQLPerformanceSysbench
0 likes · 8 min read
Can MySQL Handle 100,000 Concurrent Connections? A Real‑World Test
Programmer DD
Programmer DD
May 16, 2020 · Backend Development

Why Deno 1.0’s Rust‑Based Runtime Could Outpace Node.js

Deno 1.0, the Rust‑written JavaScript/TypeScript runtime created by Ryan Dahl, introduces a CLI, a Rust‑based core, a new plugin system, and an HTTP server that handles about 25k requests per second with low latency, positioning it as a modern alternative to Node.js.

DenoHTTP serverJavaScript
0 likes · 6 min read
Why Deno 1.0’s Rust‑Based Runtime Could Outpace Node.js
360 Tech Engineering
360 Tech Engineering
May 15, 2020 · Frontend Development

Serverless: A New Front‑End Development Paradigm

This article explores how Serverless computing reshapes front‑end development by tracing the evolution of front‑end architectures, introducing Serverless concepts and services, presenting practical frameworks, CLI tools, and code examples, and offering best‑practice guidance on testing, performance optimization, and deployment patterns for modern web and mini‑program applications.

BFFFaaSFront-end
0 likes · 26 min read
Serverless: A New Front‑End Development Paradigm
Programmer DD
Programmer DD
May 15, 2020 · Backend Development

Mastering RPC Timeout Settings in Microservices: Best Practices & Pitfalls

This article analyzes a real e‑commerce incident to explain how RPC timeouts work in microservice architectures, why proper timeout and retry configurations are essential, and provides step‑by‑step guidelines for setting sensible timeout values while avoiding common pitfalls such as duplicate requests and retry storms.

BackendMicroservicesPerformance
0 likes · 14 min read
Mastering RPC Timeout Settings in Microservices: Best Practices & Pitfalls
Top Architect
Top Architect
May 14, 2020 · Databases

Why Using Stored Procedures for Simple Boolean Checks Can Be Problematic

The article discusses a real‑world scenario where a developer tried to reuse existing stored procedures to determine the presence of Job, Certification, and Disclosure records, explores various T‑SQL techniques such as temporary tables and output parameters, and concludes that stored procedures are often unsuitable for simple boolean logic due to maintenance and reuse challenges.

PerformanceStored Proceduresc++
0 likes · 6 min read
Why Using Stored Procedures for Simple Boolean Checks Can Be Problematic
JD.com Experience Design Center
JD.com Experience Design Center
May 13, 2020 · Frontend Development

How We Revamped the Koudou Frontend: Architecture, Performance & TypeScript Insights

This article details the comprehensive 2020 refactor of the Koudou internal purchase platform, covering front‑end architecture redesign, module‑based directory structure, performance optimizations, migration to Vue 2 with NutUI 2.x, TypeScript integration, API service modularization, and cross‑platform SDK handling.

ArchitectureFrontendPerformance
0 likes · 29 min read
How We Revamped the Koudou Frontend: Architecture, Performance & TypeScript Insights
Big Data Technology Architecture
Big Data Technology Architecture
May 12, 2020 · Databases

Key HBase Configuration Parameters and Production Recommendations (HBase 1.1.2)

This article categorizes and explains the most important HBase 1.1.2 configuration parameters—covering Region sizing, BlockCache strategies, Memstore thresholds, Compaction behavior, HLog handling, Call Queue tuning, and miscellaneous settings—while offering practical recommendations for optimal production deployment.

HBasePerformanceconfiguration
0 likes · 11 min read
Key HBase Configuration Parameters and Production Recommendations (HBase 1.1.2)
MaGe Linux Operations
MaGe Linux Operations
May 11, 2020 · Backend Development

Why Is Nginx So Fast? Inside Its Process Model and Event Architecture

This article explains Nginx’s high performance by dissecting its multi‑process architecture, event‑driven model, HTTP connection handling, modular design, and I/O mechanisms, comparing it with Apache, and clarifying common questions about worker processes, maximum connections, and concurrency.

Event-drivenIO MultiplexingNGINX
0 likes · 9 min read
Why Is Nginx So Fast? Inside Its Process Model and Event Architecture
58 Tech
58 Tech
May 11, 2020 · Mobile Development

Android WebView Loading Optimization for Faster H5 Page Rendering

This article analyzes the default Android WebView loading process, identifies performance bottlenecks, and presents a multi‑stage optimization strategy—including custom caching, pre‑initializing the WebView, offline packages, and code examples—that reduces H5 page load time to under one second in the 58 Business app.

AndroidMobile DevelopmentPerformance
0 likes · 15 min read
Android WebView Loading Optimization for Faster H5 Page Rendering
Java Captain
Java Captain
May 10, 2020 · Databases

MySQL Performance Optimization and Best Practices

This article shares practical MySQL performance optimization techniques, covering table size limits, connection settings, data type choices, index design, query rewriting, pagination, and batch processing, with code examples and actionable guidelines to improve query speed and scalability.

MySQLPerformanceSQL optimization
0 likes · 13 min read
MySQL Performance Optimization and Best Practices
Full-Stack DevOps & Kubernetes
Full-Stack DevOps & Kubernetes
May 4, 2020 · Backend Development

Master Tomcat: Memory, Concurrency, Compression & Security Tuning Guide

This guide explains Tomcat’s role as a lightweight web server, details the required runtime environment, and provides step‑by‑step configurations for memory allocation, JVM options, connector concurrency, gzip compression, caching, security hardening, database connection pooling, and additional performance tweaks.

JVMPerformanceoptimization
0 likes · 11 min read
Master Tomcat: Memory, Concurrency, Compression & Security Tuning Guide
Architecture Digest
Architecture Digest
May 2, 2020 · Databases

Designing High‑Performance Flash‑Sale (秒杀) Systems with MySQL: Balancing Consistency and Performance

This article explains how to build a MySQL‑based flash‑sale system that guarantees high performance and strong consistency, discusses common pitfalls such as overselling and duplicate purchases, and presents progressive solutions from simple unique indexes to transaction‑based locking and performance‑oriented designs that may sacrifice consistency when necessary.

ConsistencyMySQLPerformance
0 likes · 11 min read
Designing High‑Performance Flash‑Sale (秒杀) Systems with MySQL: Balancing Consistency and Performance
Top Architect
Top Architect
May 1, 2020 · Operations

Comprehensive Guide to Java Runtime Error Diagnosis: CPU, Memory, Disk, GC, and Network Troubleshooting

This article presents a systematic approach to diagnosing and resolving Java runtime problems by examining CPU usage, disk I/O, memory consumption, garbage‑collection behavior, and network anomalies, offering practical commands, analysis techniques, and visual aids to pinpoint root causes in production environments.

OperationsPerformancegc
0 likes · 22 min read
Comprehensive Guide to Java Runtime Error Diagnosis: CPU, Memory, Disk, GC, and Network Troubleshooting
Laravel Tech Community
Laravel Tech Community
Apr 30, 2020 · Databases

Essential MySQL FAQ: Core Concepts, Features, and Best Practices

This comprehensive MySQL FAQ covers its definition, implementation language, key features, differences from SQL, storage engines, data types, triggers, security tips, performance considerations, and practical queries such as retrieving the N‑th highest salary, providing a solid reference for developers and DBAs.

MySQLPerformanceStorage Engine
0 likes · 14 min read
Essential MySQL FAQ: Core Concepts, Features, and Best Practices
ITPUB
ITPUB
Apr 30, 2020 · Databases

10 Essential Redis Tips to Boost Performance and Reliability

This guide presents ten practical Redis best‑practice tips—including avoiding KEYS *, using SCAN, analyzing command stats, leveraging hashes, setting expirations, choosing eviction policies, handling errors, scaling with clusters, understanding threading limits, and configuring Sentinel for high availability—to help you run Redis efficiently and safely.

Performancebest practicesdatabases
0 likes · 9 min read
10 Essential Redis Tips to Boost Performance and Reliability
Alibaba Cloud Developer
Alibaba Cloud Developer
Apr 30, 2020 · Frontend Development

Why Front‑End Teams Must Master Business Strategy to Drive Future Growth

The article argues that front‑end engineers need deep business understanding, outlines how business and technology trends shape Alibaba's international B‑to‑B trade, discusses performance‑focused planning, and proposes a forward‑looking strategy that balances immediate problems with long‑term differentiation and multi‑device integration.

Business strategyFrontendInnovation
0 likes · 10 min read
Why Front‑End Teams Must Master Business Strategy to Drive Future Growth
Senior Brother's Insights
Senior Brother's Insights
Apr 29, 2020 · Fundamentals

Testing += String Concatenation: JDK8 vs JDK14 Bytecode Findings

The author investigates the common advice against using the += operator for string concatenation by writing two Java programs, examining their bytecode with javap, and comparing results on Oracle JDK 8 and OpenJDK 14, revealing that JDK version and implementation affect whether a StringBuilder is automatically used.

JDKPerformanceString concatenation
0 likes · 5 min read
Testing += String Concatenation: JDK8 vs JDK14 Bytecode Findings
WecTeam
WecTeam
Apr 28, 2020 · Frontend Development

Supercharge Front-End Performance with Build Optimizations and Smart Rendering

This article presents a comprehensive front‑end performance checklist covering JavaScript engine targeting, script defer and streaming, progressive boot, server‑side versus client‑side rendering strategies, hydration techniques, third‑party script management, self‑hosting assets, and proper HTTP caching headers to dramatically reduce load and interactive times.

FrontendPerformanceRendering
0 likes · 30 min read
Supercharge Front-End Performance with Build Optimizations and Smart Rendering
WecTeam
WecTeam
Apr 27, 2020 · Frontend Development

Master Front‑End Build Optimization: Priorities, Modules, and Performance Hacks

This article presents a comprehensive front‑end performance checklist covering resource inventory, priority grouping, native JavaScript modules, tree‑shaking, code‑splitting, Web Workers, WebAssembly, pre‑compilation, differential serving, unused code removal, bundle trimming and predictive loading techniques, with practical tool recommendations.

Build OptimizationFrontendPerformance
0 likes · 30 min read
Master Front‑End Build Optimization: Priorities, Modules, and Performance Hacks
Tencent Tech
Tencent Tech
Apr 27, 2020 · Cloud Computing

How Tencent’s Cloud Disk Snapshots Enable 6000 SCF Servers in 1 Minute

This article explains how Tencent Cloud’s Serverless Cloud Function (SCF) leverages Cloud Disk Snapshot technology to achieve the concurrent creation of 6000 virtual machines within a minute, detailing the snapshot‑based creation method, system architecture, performance challenges, and the engineering solutions that dramatically improve latency and bandwidth usage.

Cloud ComputingPerformancescaling
0 likes · 8 min read
How Tencent’s Cloud Disk Snapshots Enable 6000 SCF Servers in 1 Minute
NetEase Game Operations Platform
NetEase Game Operations Platform
Apr 25, 2020 · Databases

MySQL 8.0 Resource Groups: Configuration, Usage, and Limitations

This article explains how MySQL 8.0 Resource Groups enable fine‑grained CPU binding and thread‑priority control, provides sample SQL procedures and commands, details Linux environment setup, discusses implementation internals, outlines known limitations especially in containerized environments, and suggests practical usage scenarios.

CPU affinityContainersMySQL
0 likes · 16 min read
MySQL 8.0 Resource Groups: Configuration, Usage, and Limitations
WecTeam
WecTeam
Apr 22, 2020 · Frontend Development

How to Supercharge Your 2020 Front‑End Performance: The Ultimate Checklist

This comprehensive 2020 front‑end performance checklist guides teams through planning, metric selection, environment setup, static asset optimization, build and transport strategies, testing, monitoring, and realistic goal setting, offering tools, budgets, and cultural practices to achieve faster, more responsive web experiences.

FrontendMetricsPerformance
0 likes · 65 min read
How to Supercharge Your 2020 Front‑End Performance: The Ultimate Checklist
Xianyu Technology
Xianyu Technology
Apr 21, 2020 · Mobile Development

Flutter Rendering Principles and Performance Optimization Techniques

The article explains Flutter’s three‑tree rendering architecture, shows how to diagnose jank with Performance Overlay and DevTools, and demonstrates practical optimizations—such as extracting rebuilds, using RepaintBoundary, enabling debug flags, and caching—to reduce layout and paint costs and achieve smoother, higher‑FPS UI performance.

FlutterMobile DevelopmentPerformance
0 likes · 12 min read
Flutter Rendering Principles and Performance Optimization Techniques
Code Ape Tech Column
Code Ape Tech Column
Apr 20, 2020 · Databases

Understanding Redis Persistence: RDB vs AOF and Performance Tips

This article explains how Redis implements two persistence mechanisms—RDB snapshots and AOF logs—covering their triggers, execution flows, advantages, drawbacks, differences, restart recovery procedures, and practical ways to mitigate performance overhead caused by fork operations.

AOFPerformancePersistence
0 likes · 14 min read
Understanding Redis Persistence: RDB vs AOF and Performance Tips
FunTester
FunTester
Apr 20, 2020 · Operations

Quick‑Start Guide to Arthas: Debugging Java Applications in Minutes

Learn how to install and launch Alibaba’s open‑source Arthas tool, explore its dashboard, run essential commands like thread and watch, and see a practical Java demo, all in a concise step‑by‑step tutorial that gets you debugging Java processes fast.

ArthasOperationsPerformance
0 likes · 3 min read
Quick‑Start Guide to Arthas: Debugging Java Applications in Minutes
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Apr 18, 2020 · Backend Development

Understanding How new String Creates Objects and the Role of the String Constant Pool in Java

This article explains why the new String("xxx") expression may create one or two objects depending on the presence of the literal in the JVM's string constant pool, demonstrates the behavior with compiled bytecode and runtime examples, and clarifies common interview misconceptions about Java string object creation.

Constant PoolJVMObject Creation
0 likes · 12 min read
Understanding How new String Creates Objects and the Role of the String Constant Pool in Java
Big Data Technology Architecture
Big Data Technology Architecture
Apr 17, 2020 · Databases

Improving HBase Cluster Performance: Cache Optimization, GC Tuning, and Multiget Concurrency

This article details a series of practical enhancements applied to an HBase 1.2.4‑based cluster—including layered BucketCache, data pre‑heating, GC‑friendly object pooling, and a multiget concurrency model—that together raise throughput several‑fold and consistently keep P99 latency below 50 ms in YCSB benchmarks.

BenchmarkCacheGC optimization
0 likes · 14 min read
Improving HBase Cluster Performance: Cache Optimization, GC Tuning, and Multiget Concurrency
FunTester
FunTester
Apr 14, 2020 · Operations

Spot Performance Problems Without Writing a Single Line of Code

Experienced developers can often identify performance bottlenecks simply by reviewing code implementations, configuration settings such as timeouts, intervals, database and Redis parameters, as well as service monitoring data, container and JVM configurations, allowing them to avoid unnecessary test scripts and code changes.

DevOpsOperationsPerformance
0 likes · 2 min read
Spot Performance Problems Without Writing a Single Line of Code
FunTester
FunTester
Apr 14, 2020 · Backend Development

Load Testing and Validation Rules for Phone Number Login API

This article details the challenges, validation rules, solution, test plan, and sample Groovy/Java code for performing a large‑scale load test of a phone‑number‑based login API, including configurable constraints and script examples for simulating thousands of users.

BackendPerformancephone login
0 likes · 5 min read
Load Testing and Validation Rules for Phone Number Login API
Programmer DD
Programmer DD
Apr 14, 2020 · Databases

Understanding InnoDB Storage Architecture and MySQL Partitioning Strategies

This article explains InnoDB's logical storage hierarchy of tablespaces, segments, extents, and pages, then details MySQL's partitioning concepts, types, creation syntax, and performance considerations, providing practical examples and guidance for effective database design.

Database ArchitectureInnoDBMySQL
0 likes · 8 min read
Understanding InnoDB Storage Architecture and MySQL Partitioning Strategies
Youku Technology
Youku Technology
Apr 13, 2020 · Frontend Development

How Youku Revamped Its Frontend: From PHP to Node.js and React SSR

The article chronicles Youku’s front‑end transformation over the past two years, detailing the migration from PHP to Node.js, the shift from Bigpipe + jQuery to React server‑side rendering, performance gains, component‑level isomorphism, serverless SSR strategies, and the open‑source framework that underpins these changes.

ArchitectureFrontendPerformance
0 likes · 11 min read
How Youku Revamped Its Frontend: From PHP to Node.js and React SSR
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Apr 10, 2020 · Operations

Why BFQ Is Replacing CFQ: Inside Linux’s New I/O Scheduler

The article explains the design and operation of Linux’s BFQ (Budget Fair Queueing) I/O scheduler, its algorithmic advantages over CFQ, performance test results, and the reasons it outperforms other schedulers, concluding with its growing adoption in major projects.

BFQI/O schedulerLinux
0 likes · 10 min read
Why BFQ Is Replacing CFQ: Inside Linux’s New I/O Scheduler
Ctrip Technology
Ctrip Technology
Apr 9, 2020 · Cloud Native

Unified Scheduling Access, Algorithm Enhancements, and Performance Optimizations in Ctrip's Cloud Container K8s Platform

This article details Ctrip Cloud Container's practical experience in building a unified, policy‑driven scheduling framework for Kubernetes, covering algorithm parameterization, affinity configuration, extended resource‑balancing, load‑aware scoring, and performance tuning that together raise scheduling throughput by over five times in large‑scale clusters.

KubernetesPerformanceResource Optimization
0 likes · 14 min read
Unified Scheduling Access, Algorithm Enhancements, and Performance Optimizations in Ctrip's Cloud Container K8s Platform
JD Retail Technology
JD Retail Technology
Apr 9, 2020 · Frontend Development

Performance Optimization of the Tongtian Tower H5 Platform: Frontend and Node Middleware Improvements

This case study details how the Tongtian Tower H5 platform achieved over 30% performance gains by optimizing front‑end first‑screen loading, reducing Node middleware CPU usage, employing Performance API, Chrome DevTools, v8‑profiler, and implementing both generic and business‑specific optimizations such as image resizing, CDN caching, selective webpack bundling, and precise first‑screen rendering.

FrontendPerformancenodejs
0 likes · 15 min read
Performance Optimization of the Tongtian Tower H5 Platform: Frontend and Node Middleware Improvements
Programmer DD
Programmer DD
Apr 9, 2020 · Databases

How Many Rows Can a Single InnoDB B+ Tree Store? A Deep Dive

This article explains how InnoDB organizes data with B+ trees, calculates the maximum number of rows a single tree can hold (around 20 million), and shows how page size, pointer count, and tree height affect MySQL index performance.

B+TreeInnoDBMySQL
0 likes · 11 min read
How Many Rows Can a Single InnoDB B+ Tree Store? A Deep Dive
Java Captain
Java Captain
Apr 7, 2020 · Backend Development

Zero‑Copy Techniques in Java: I/O Concepts, mmap, Sendfile, and Netty

This article explains the zero‑copy principle, describes core I/O concepts such as buffers and virtual memory, and details Java implementations including mmap + write, Sendfile, MappedByteBuffer, DirectByteBuffer, channel‑to‑channel transfer, and Netty’s composite buffers for high‑performance data transfer.

NettyPerformancejava
0 likes · 12 min read
Zero‑Copy Techniques in Java: I/O Concepts, mmap, Sendfile, and Netty
Xianyu Technology
Xianyu Technology
Apr 7, 2020 · Mobile Development

Optimizing Image Loading in Flutter for Xianyu: Native Mode, CDN, and External Texture

Xianyu’s Flutter image pipeline was overhauled by using native ImageCache limits, a disk‑cache bridge, CDN‑driven resizing and WebP compression, precaching, ListView cacheExtent tuning, multi‑page texture recycling, and an external texture bridge, achieving substantial memory savings, reduced OOM risk, and a smaller app bundle.

CacheExternal TextureFlutter
0 likes · 15 min read
Optimizing Image Loading in Flutter for Xianyu: Native Mode, CDN, and External Texture
Open Source Linux
Open Source Linux
Apr 7, 2020 · Backend Development

Why Is Nginx So Fast? Inside Its Process Model and Event Architecture

This article explores Nginx’s high performance by dissecting its multi‑process architecture, event‑driven model, modular design, and I/O handling, comparing it with Apache, and explaining connection limits, request flow, and concurrency mechanisms to reveal why Nginx excels under heavy load.

BackendEvent-drivenPerformance
0 likes · 11 min read
Why Is Nginx So Fast? Inside Its Process Model and Event Architecture
Java Backend Technology
Java Backend Technology
Apr 7, 2020 · Databases

How to Inspect and Clear Linux Buff/Cache and Optimize MySQL Joins

This article explains how to use Linux commands like free and sync to view and clear buffer/cache memory, describes the information shown by free, and then dives into SQL join types, their performance impact, and optimization techniques such as indexing, join_buffer tuning, and join algorithms.

Buffer CacheLinuxMemory Management
0 likes · 9 min read
How to Inspect and Clear Linux Buff/Cache and Optimize MySQL Joins
dbaplus Community
dbaplus Community
Apr 5, 2020 · Backend Development

Which Caching Strategy Is Right for Your Application? A Practical Guide

This article explains five common caching strategies—Cache‑Aside, Read‑Through, Write‑Through, Write‑Around, and Write‑Back—detailing how they work, their advantages and drawbacks, and how to choose the best fit based on data access patterns and performance goals.

BackendCache StrategiesPerformance
0 likes · 11 min read
Which Caching Strategy Is Right for Your Application? A Practical Guide
21CTO
21CTO
Apr 5, 2020 · Fundamentals

Why Code Optimization Can Backfire: 5 Practical Lessons from a Real‑World SAP Project

The article recounts a real SAP project where a stray 20‑second wait statement crippled performance, then outlines five actionable principles—including setting clear goals, using profilers, enabling compiler optimizations, targeted code adjustments, and mandatory code reviews—to ensure optimization improves speed without sacrificing quality.

Code OptimizationCode reviewCompiler Optimization
0 likes · 11 min read
Why Code Optimization Can Backfire: 5 Practical Lessons from a Real‑World SAP Project
Programmer DD
Programmer DD
Apr 5, 2020 · Backend Development

30 Essential Java Code Optimization Tips to Boost Performance

This article presents a comprehensive list of Java code optimization techniques—from using final modifiers and reusing objects to pre‑sizing collections and avoiding unnecessary exceptions—explaining how each practice reduces code size, improves execution efficiency, and prevents memory leaks.

BackendCode OptimizationPerformance
0 likes · 17 min read
30 Essential Java Code Optimization Tips to Boost Performance
58 Tech
58 Tech
Apr 3, 2020 · Fundamentals

WPaxos: A Production‑Grade Java Implementation of Multi‑Paxos for Distributed Consensus

WPaxos is an open‑source Java implementation of the Multi‑Paxos distributed consensus algorithm that provides high performance, strong consistency, fault tolerance, and extensibility for data‑intensive systems, and includes detailed architecture, feature descriptions, performance benchmarks, and future development plans.

Multi-PaxosPaxosPerformance
0 likes · 13 min read
WPaxos: A Production‑Grade Java Implementation of Multi‑Paxos for Distributed Consensus
Xianyu Technology
Xianyu Technology
Apr 3, 2020 · Mobile Development

Evolution of Xianyu's Flutter Architecture and Mobile Development Journey

Facing performance and stability limits of native and Weex, Alibaba’s Xianyu migrated to Flutter through a three‑year research, validation and rollout process, building a Spring‑IoC‑style modular architecture, the Flutter_Boost hybrid stack, and extended engine features that doubled development speed, achieved 80 % code sharing, and outperformed native apps on low‑end phones, while paving the way for the Alibaba‑wide AliFlutter initiative.

ArchitectureFlutterMobile Development
0 likes · 15 min read
Evolution of Xianyu's Flutter Architecture and Mobile Development Journey
Youzan Coder
Youzan Coder
Apr 3, 2020 · Mobile Development

How ZanLogger Revolutionizes Mobile App Debugging with High‑Performance Log Management

The article explains the design and implementation of Youzan’s ZanLogger, a mobile logging platform that streamlines issue diagnosis by providing secure, efficient log collection, retrieval, and analysis features—including active and passive reporting, mmap‑based I/O reduction, dynamic symmetric key encryption, and multi‑dimensional storage—while detailing performance benchmarks and future enhancements.

AndroidLog ManagementPerformance
0 likes · 12 min read
How ZanLogger Revolutionizes Mobile App Debugging with High‑Performance Log Management
Java Captain
Java Captain
Apr 3, 2020 · Backend Development

SpringBoot Project Optimization: Configuration Files and JVM Tuning

This article explains how to optimize a SpringBoot application by adjusting Tomcat settings in the application.properties file, tuning JVM parameters with examples, and demonstrates two practical methods—IDE configuration and command‑line scripts—to improve performance and resource usage.

JVMPerformanceSpringBoot
0 likes · 6 min read
SpringBoot Project Optimization: Configuration Files and JVM Tuning
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Apr 3, 2020 · Databases

Understanding B+ Tree Indexes in MySQL

This article explains why B+ trees are the dominant data structure for MySQL indexes, compares them with hash tables, linked lists, and skip lists, and details page splits, merges, and how index values map to row records, helping readers master high‑frequency interview questions.

B+TreeData StructuresDatabase Index
0 likes · 14 min read
Understanding B+ Tree Indexes in MySQL
DevOps
DevOps
Apr 2, 2020 · Operations

2019 Acceleration: Insights into High‑Performance DevOps Organizations from the State of DevOps Report

The article reviews the State of DevOps Report series (2014‑2019), highlighting rising industry performance, the critical role of fast and secure software delivery, community building, cloud adoption, work‑life balance, and the shift toward automation and personal effectiveness as key drivers of high‑performing DevOps organizations.

DevOpsPerformanceState of DevOps Report
0 likes · 18 min read
2019 Acceleration: Insights into High‑Performance DevOps Organizations from the State of DevOps Report
Architects' Tech Alliance
Architects' Tech Alliance
Mar 31, 2020 · Backend Development

99 Things Every Software Architect Should Know

This article compiles 99 practical guidelines for software architects, covering everything from continuous learning, simplifying complexity, effective communication, performance awareness, requirement analysis, coding discipline, design trade‑offs, testing, and team leadership, offering a comprehensive roadmap to becoming a high‑impact architect.

DesignLeadershipPerformance
0 likes · 22 min read
99 Things Every Software Architect Should Know
Python Programming Learning Circle
Python Programming Learning Circle
Mar 31, 2020 · Backend Development

Mixed Programming with Python and C/C++: Principles, Methods, and Performance Analysis

This article explains how to combine Python with C/C++ using ctypes, Python.h wrappers, and SWIG, provides step‑by‑step code examples, and analyzes performance through bubble‑sort experiments, demonstrating the trade‑offs and best practices for high‑performance mixed‑language development.

Mixed ProgrammingPerformanceSWIG
0 likes · 12 min read
Mixed Programming with Python and C/C++: Principles, Methods, and Performance Analysis
JavaEdge
JavaEdge
Mar 31, 2020 · Fundamentals

How to Pick the Best Java HotSpot GC: Serial, Parallel, CMS, G1 & ZGC

This guide compares the major HotSpot JVM garbage collectors—including Serial, ParNew, Parallel Scavenge, Parallel Old, CMS, G1, and ZGC—explaining their algorithms, threading models, typical use cases, key JVM flags, performance trade‑offs, and how to select the most suitable collector for different application workloads.

Garbage CollectionHotSpotJVM
0 likes · 14 min read
How to Pick the Best Java HotSpot GC: Serial, Parallel, CMS, G1 & ZGC
Programmer DD
Programmer DD
Mar 29, 2020 · Backend Development

Why Your Spring Boot App Consumes 7 GB RAM: Uncovering Native Memory Leaks

A Spring Boot project migrated to the MDP framework exhibited excessive native memory usage, leading to swap errors; the article details step‑by‑step investigation using JVM tools, system utilities, and custom allocators to pinpoint and resolve the hidden native memory leak caused by unchecked JAR scanning and glibc memory pools.

Native MemoryPerformancegperftools
0 likes · 13 min read
Why Your Spring Boot App Consumes 7 GB RAM: Uncovering Native Memory Leaks
Programmer DD
Programmer DD
Mar 28, 2020 · Backend Development

Why Is Kafka So Fast? Uncover the 11 Performance Secrets

Kafka achieves its remarkable speed by combining sequential I/O, batch processing, compression, zero‑copy, careful client‑side work, and a design that avoids costly fsync and garbage collection, while maintaining durability, ordering, and at‑least‑once delivery, making it a high‑throughput, low‑latency event streaming platform.

Batch ProcessingDistributed SystemsKafka
0 likes · 15 min read
Why Is Kafka So Fast? Uncover the 11 Performance Secrets
Architecture Digest
Architecture Digest
Mar 26, 2020 · Databases

MySQL Pagination Optimization Techniques and Performance Testing

This article examines various MySQL pagination methods—including simple LIMIT, offset impact, sub‑query, ID‑range, and temporary‑table strategies—provides detailed performance measurements on a table with over five million rows, and offers practical recommendations for speeding up large‑scale data retrieval.

MySQLPerformancedatabase
0 likes · 8 min read
MySQL Pagination Optimization Techniques and Performance Testing
Baidu App Technology
Baidu App Technology
Mar 25, 2020 · Frontend Development

Front-end Performance Optimization of Baidu App Personal Homepage

By redefining performance metrics, analyzing bottlenecks, and applying targeted front‑end code and engineering optimizations—including early iOS onload, reduced first‑screen dependencies, merged and pre‑loaded APIs, bundle splitting, and modern‑mode delivery—the Baidu App personal homepage achieved over 100 ms reductions in white‑screen and first‑screen times across iOS and Android.

EngineeringFrontendMobile
0 likes · 15 min read
Front-end Performance Optimization of Baidu App Personal Homepage
Liangxu Linux
Liangxu Linux
Mar 23, 2020 · Databases

10 Essential Redis Best Practices Every Developer Should Follow

This article presents ten practical Redis best‑practice guidelines—from avoiding the costly KEYS * command and leveraging SCAN, to using INFO for command statistics, employing hashes, setting expirations, selecting eviction policies, handling errors, scaling with clusters, understanding threading limits, and configuring Sentinel for high availability.

Performancebest practicescaching
0 likes · 9 min read
10 Essential Redis Best Practices Every Developer Should Follow
Taobao Frontend Technology
Taobao Frontend Technology
Mar 21, 2020 · Frontend Development

Top Front-End Interview Answers: HTTP, Virtual DOM, Modules, and More

This article compiles detailed front‑end interview answers covering HTTP request limits, Virtual DOM benefits, CommonJS vs ES6 modules, cookie/session/token differences, image format selection, first‑paint and white‑screen metrics, mini‑program vs H5 distinctions, floating‑point precision, and V8 engine execution.

HTTPModulesPerformance
0 likes · 14 min read
Top Front-End Interview Answers: HTTP, Virtual DOM, Modules, and More
Tencent Cloud Middleware
Tencent Cloud Middleware
Mar 20, 2020 · Fundamentals

Why the Second Call to a JavaScript Constructor Is Slower: Inside V8’s Inline Caches

An in‑depth analysis of V8’s Inline Cache mechanism shows how hidden classes, map transitions, type‑feedback vectors, and the IC state machine cause the second invocation of a JavaScript constructor to be slower than the first, while the third becomes faster, explaining performance variations in property accesses.

Hidden ClassesIC State MachineInline Cache
0 likes · 12 min read
Why the Second Call to a JavaScript Constructor Is Slower: Inside V8’s Inline Caches
Selected Java Interview Questions
Selected Java Interview Questions
Mar 20, 2020 · Operations

Step-by-Step Guide to Diagnose Java CPU Spikes and Full GC Issues

This article presents a concise, minute‑level troubleshooting workflow for Java services experiencing sudden CPU spikes and frequent Full GC, covering process inspection, thread analysis, GC monitoring, heap dump, and common root‑cause patterns such as memory overuse, CPU‑intensive code, lock misuse, and thread blocking.

CPUJVMPerformance
0 likes · 8 min read
Step-by-Step Guide to Diagnose Java CPU Spikes and Full GC Issues
Xianyu Technology
Xianyu Technology
Mar 19, 2020 · Mobile Development

FlutterBoost 2.0 Architecture Upgrade and iOS Performance Improvements

FlutterBoost 2.0 redesigns the hybrid architecture by assigning each Flutter page its own controller and view, eliminating screenshot‑based transitions, fixing white/black screen glitches, enhancing iOS surface management and lifecycle callbacks, adding extensive documentation and tests, while acknowledging a ~10 MB per‑page memory cost mitigated through stack limits and reuse.

FlutterFlutterBoostHybrid App
0 likes · 12 min read
FlutterBoost 2.0 Architecture Upgrade and iOS Performance Improvements
Programmer DD
Programmer DD
Mar 17, 2020 · Databases

10 Essential Redis Tips to Boost Performance and Reliability

This article presents ten practical Redis best‑practice tips—including avoiding KEYS *, using SCAN, monitoring command stats, leveraging hashes, setting expirations, choosing eviction policies, handling errors, scaling with clusters, understanding threading, and configuring Sentinel—for improved performance, stability, and high availability.

Performancebest practicesdatabase
0 likes · 9 min read
10 Essential Redis Tips to Boost Performance and Reliability
ITPUB
ITPUB
Mar 16, 2020 · Databases

MySQL Essentials: UNION vs UNION ALL, TRUNCATE vs DELETE, Index Types Explained

This article explains core MySQL concepts, comparing UNION and UNION ALL, TRUNCATE versus DELETE, TIMESTAMP and DATETIME, composite and covering indexes, the left‑most prefix rule, clustered vs non‑clustered indexes, prefix indexes, InnoDB vs MyISAM storage, monotonic primary keys, column length display, SHOW INDEX fields, LIKE pattern pitfalls, and efficient pagination techniques.

MySQLPerformancedatabase
0 likes · 15 min read
MySQL Essentials: UNION vs UNION ALL, TRUNCATE vs DELETE, Index Types Explained
Liangxu Linux
Liangxu Linux
Mar 15, 2020 · Databases

Master MySQL Indexes: Differences, Composite Strategies & Performance Hacks

This guide explains essential MySQL concepts such as the distinction between UNION and UNION ALL, TRUNCATE versus DELETE, TIMESTAMP versus DATETIME, the purpose and benefits of composite indexes, index storage engines, prefix indexes, covering indexes, the left‑most prefix rule, and efficient pagination techniques.

MySQLPerformancedatabase
0 likes · 15 min read
Master MySQL Indexes: Differences, Composite Strategies & Performance Hacks
Programmer DD
Programmer DD
Mar 14, 2020 · Fundamentals

Top 7 Must‑Know Java Questions from StackOverflow and Their Answers

An English‑language roundup of the most popular Java questions on StackOverflow—covering branch prediction, password handling with char arrays, common exceptions, deterministic random strings, historic timezone quirks, the uncatchable ChuckNorrisException, and collection‑type choices—provides concise explanations and code snippets for each topic.

CollectionsExceptionsPerformance
0 likes · 9 min read
Top 7 Must‑Know Java Questions from StackOverflow and Their Answers
Programmer DD
Programmer DD
Mar 13, 2020 · Databases

10 Essential Redis Best Practices Every Developer Should Follow

This article presents ten practical Redis best‑practice recommendations—from avoiding the costly KEYS * command and using SCAN, to leveraging hashes, setting key expirations, choosing appropriate eviction policies, handling errors, scaling with clusters, and ensuring high availability—helping developers optimize performance and reliability.

Performancebest practicesdatabase
0 likes · 9 min read
10 Essential Redis Best Practices Every Developer Should Follow
ITPUB
ITPUB
Mar 12, 2020 · Backend Development

Why Redis Uses Its Own String Type (SDS) and How It Boosts Performance

The article explains Redis's custom Simple Dynamic String (SDS) implementation, its memory layout, dynamic resizing rules, and performance benefits such as O(1) length retrieval, buffer‑overflow protection, and reduced allocation overhead through pre‑allocation and lazy reclamation.

PerformanceSDSString Implementation
0 likes · 7 min read
Why Redis Uses Its Own String Type (SDS) and How It Boosts Performance