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5000 articles · Page 39 of 50
Alibaba Cloud Native
Alibaba Cloud Native
Jan 6, 2021 · Backend Development

How RocketMQ 4.8.0 Supercharges DLedger with Massive Performance and Stability Gains

Apache RocketMQ 4.8.0 introduces extensive DLedger enhancements, including asynchronous pipeline processing, batch log replication, extensive chaos‑testing validation, preferred‑leader selection, and batch‑message support, delivering several‑fold throughput improvements, faster recovery from failures, and new functional capabilities for production‑grade messaging.

Apache RocketMQDLedgerMessage Queue
0 likes · 8 min read
How RocketMQ 4.8.0 Supercharges DLedger with Massive Performance and Stability Gains
HomeTech
HomeTech
Jan 6, 2021 · Backend Development

Using GraphQL to Reduce API Calls and Manage Data Complexity in Frontend Development

The article explains how the rapid growth of API endpoints and data fields in complex business scenarios can be mitigated by introducing a GraphQL middle‑layer built with Node.js, detailing schema design, resolvers, performance considerations, tooling, custom scalars, response formatting, caching, and security measures.

API optimizationFrontendGraphQL
0 likes · 15 min read
Using GraphQL to Reduce API Calls and Manage Data Complexity in Frontend Development
Beike Product & Technology
Beike Product & Technology
Jan 6, 2021 · Databases

Analyzing MySQL Deadlock Cases and Prevention Strategies

This article investigates a MySQL InnoDB deadlock observed during a holiday period, explains how gap locks and next‑key locks on a composite index cause mutual waiting, reproduces the issue with large test data, and offers practical guidelines to avoid similar deadlocks in production environments.

DeadlockGAP LockInnoDB
0 likes · 12 min read
Analyzing MySQL Deadlock Cases and Prevention Strategies
21CTO
21CTO
Jan 5, 2021 · Databases

5 Essential Rules for Writing High‑Performance SQL Queries

This article presents five practical rules—return only needed rows, use proper indexes, avoid subqueries, replace OFFSET pagination with key‑based limits, and understand SQL's logical execution order—to help developers write efficient, high‑performance SQL queries across major relational databases.

IndexesPerformanceQuery Optimization
0 likes · 13 min read
5 Essential Rules for Writing High‑Performance SQL Queries
ITPUB
ITPUB
Jan 5, 2021 · Backend Development

Prevent Redis Cache Penetration, Breakdown, and Avalanche Using Bloom Filters

This article explains common Redis cache problems—penetration, breakdown, and avalanche—detailing their causes, practical mitigation techniques such as request validation, caching empty results, Bloom filters, mutex locks, high‑availability setups, and provides Java code examples for implementing these solutions.

Performancebackendbloom filter
0 likes · 8 min read
Prevent Redis Cache Penetration, Breakdown, and Avalanche Using Bloom Filters
Programmer DD
Programmer DD
Jan 5, 2021 · Operations

How to Cut Nginx HTTPS Latency by 30%: Proven TLS Tuning Tips

This article explains why low‑latency Nginx HTTPS is crucial for instant search, analyzes how TLS handshakes add round‑trip delays, and provides concrete Nginx TLS configuration changes—such as enabling HTTP/2, adjusting cipher suites, enabling OCSP stapling, tweaking buffer sizes and session caches—that together reduced request latency by about 30% in a real‑world deployment.

NginxOptimizationPerformance
0 likes · 13 min read
How to Cut Nginx HTTPS Latency by 30%: Proven TLS Tuning Tips
Laravel Tech Community
Laravel Tech Community
Jan 3, 2021 · Backend Development

Apache RocketMQ 4.8.0 Released with Major DLedger Performance Improvements

Apache RocketMQ 4.8.0 has been released, featuring extensive optimizations and bug fixes, with significant performance, functionality, and stability enhancements to the Raft‑based DLedger mode, including asynchronous pipeline processing, batch log replication, and various lock and cache improvements that boost throughput by multiple times.

DLedgerPerformanceRocketMQ
0 likes · 4 min read
Apache RocketMQ 4.8.0 Released with Major DLedger Performance Improvements
Laravel Tech Community
Laravel Tech Community
Jan 3, 2021 · Databases

52 SQL Query Performance Optimization Strategies

This article presents a comprehensive collection of 52 practical SQL performance optimization techniques, covering indexing, query rewriting, use of EXISTS, avoiding full table scans, proper handling of NULLs, OR/IN clauses, temporary tables, storage engine choices, backup procedures, and other best practices to improve database efficiency.

IndexesMySQLOptimization
0 likes · 18 min read
52 SQL Query Performance Optimization Strategies
21CTO
21CTO
Jan 2, 2021 · Databases

Why Docker Struggles with Databases: 7 Critical Reasons

The article outlines seven key drawbacks of running databases inside Docker containers—including data safety, performance, networking, statefulness, resource isolation, cloud platform incompatibility, and hardware requirements—while also suggesting scenarios where containerization may still be viable.

Data SafetyDockerPerformance
0 likes · 8 min read
Why Docker Struggles with Databases: 7 Critical Reasons
ITPUB
ITPUB
Jan 2, 2021 · Databases

Why Deploying Databases in Docker Containers Can Be Risky: 7 Critical Reasons

Although Docker offers many benefits for application deployment, using it for databases introduces serious data safety, performance, networking, statefulness, resource isolation, cloud‑platform, and hardware‑requirement challenges that can lead to data loss and reduced efficiency.

Data SafetyDockerPerformance
0 likes · 9 min read
Why Deploying Databases in Docker Containers Can Be Risky: 7 Critical Reasons
Architecture Digest
Architecture Digest
Jan 2, 2021 · Databases

52 SQL Query Performance Optimization Strategies

This article presents a comprehensive list of 52 practical SQL optimization techniques, covering index usage, query rewriting, avoiding full table scans, proper data types, transaction handling, backup strategies, and other best practices to improve database performance and scalability.

IndexingOptimizationPerformance
0 likes · 18 min read
52 SQL Query Performance Optimization Strategies
dbaplus Community
dbaplus Community
Jan 1, 2021 · Backend Development

Mastering Cache: From Local to Multi‑Level Strategies for High‑Performance Systems

This article shares a senior architect’s decade‑long journey with caching, covering page‑level and object caches, refresh mechanisms, distributed solutions like Redis and Memcached, pagination caching techniques, and multi‑level cache architectures, while highlighting practical pitfalls and performance gains.

Performancebackenddistributed cache
0 likes · 12 min read
Mastering Cache: From Local to Multi‑Level Strategies for High‑Performance Systems
ITPUB
ITPUB
Dec 31, 2020 · Operations

How Many TCP Connections Can One Server Really Handle? A Deep Dive into Linux Limits

This article demystifies common misconceptions about server concurrency, explains the theoretical maximum TCP connections based on the four‑tuple, details Linux file‑descriptor and buffer limits, and walks through a practical experiment that achieves over one million simultaneous connections on a single machine.

ConcurrencyLinuxPerformance
0 likes · 7 min read
How Many TCP Connections Can One Server Really Handle? A Deep Dive into Linux Limits
macrozheng
macrozheng
Dec 31, 2020 · Backend Development

20 Java Backend Pitfalls You Must Avoid

This article compiles and explains twenty frequent Java backend development mistakes—from classic NullPointer exceptions and incorrect date formatting to BigDecimal precision issues, improper use of ConcurrentHashMap, ThreadLocal data leakage, misuse of Arrays.asList, transaction pitfalls, and serialization quirks—providing code examples and best‑practice solutions to help developers write safer, more reliable code.

Backend DevelopmentJavaPerformance
0 likes · 27 min read
20 Java Backend Pitfalls You Must Avoid
Top Architect
Top Architect
Dec 30, 2020 · Databases

Redis Latency Analysis: Common Causes and How to Diagnose Them

This article explains why Redis latency can suddenly increase, covering high‑complexity commands, large keys, concentrated expirations, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network overload, and provides concrete diagnostic commands and mitigation strategies.

LatencyMemoryPerformance
0 likes · 18 min read
Redis Latency Analysis: Common Causes and How to Diagnose Them
Architecture Digest
Architecture Digest
Dec 30, 2020 · Databases

Redis Latency Analysis and Mitigation Strategies

This article examines common causes of increased latency in Redis—including high‑complexity commands, large keys, concentrated expirations, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network saturation—and provides practical monitoring and configuration techniques to diagnose and reduce delays.

LatencyOptimizationPerformance
0 likes · 17 min read
Redis Latency Analysis and Mitigation Strategies
Senior Brother's Insights
Senior Brother's Insights
Dec 28, 2020 · Fundamentals

Why Java’s JIT Compiler Matters: How HotSpot Optimizes Your Code

This article explains the role of Java's Just‑In‑Time compiler, how HotSpot combines interpretation and compilation, the mechanisms for hotspot detection, the differences between C1 and C2 compilers, performance testing across modes, and the key optimization techniques that make JIT‑generated code faster.

HotSpotJITJVM
0 likes · 16 min read
Why Java’s JIT Compiler Matters: How HotSpot Optimizes Your Code
Architect
Architect
Dec 27, 2020 · Backend Development

Understanding Cache Penetration, Breakdown, and Avalanche with Redis and Bloom Filters

This article explains the concepts of cache penetration, cache breakdown, and cache avalanche in Redis, presents common mitigation techniques such as request validation, empty‑value caching, Bloom filters, mutex locks, and high‑availability strategies, and includes Java code examples for practical implementation.

CacheJavaPerformance
0 likes · 8 min read
Understanding Cache Penetration, Breakdown, and Avalanche with Redis and Bloom Filters
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Dec 27, 2020 · Fundamentals

Six Ways to Write Files in Java: Streams, Buffers, and Performance Comparison

This article introduces six Java file-writing techniques—including FileWriter, BufferedWriter, PrintWriter, FileOutputStream, BufferedOutputStream, and Files—explains their underlying stream concepts, provides code examples, and benchmarks their performance to guide developers in choosing the most efficient method for text or binary data.

BufferedWriterFile I/OFileWriter
0 likes · 16 min read
Six Ways to Write Files in Java: Streams, Buffers, and Performance Comparison
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Dec 25, 2020 · Fundamentals

Utilization Clamping (uclamp) in Linux Kernel Scheduling

Utilization clamping (uclamp) lets user space specify a task’s minimum and maximum CPU utilization, allowing the Linux scheduler to more accurately scale frequency and select cores, improving performance and power efficiency through per‑task, cgroup, and global APIs that replace the older schedtune mechanism.

LinuxPerformanceUtilization Clamping
0 likes · 7 min read
Utilization Clamping (uclamp) in Linux Kernel Scheduling
政采云技术
政采云技术
Dec 22, 2020 · Frontend Development

V8 Engine Garbage Collection and Memory Allocation

This article explains the architecture of browser engines, the distinction between stack and heap memory, V8's generational garbage collection strategies—including the Scavenge algorithm for the young generation and mark‑sweep/mark‑compact for the old generation—along with optimizations such as write barriers, incremental marking, and parallel/concurrent collection.

Garbage CollectionJavaScript EngineMemory Management
0 likes · 13 min read
V8 Engine Garbage Collection and Memory Allocation
Taobao Frontend Technology
Taobao Frontend Technology
Dec 22, 2020 · Frontend Development

All Highlights & PPTs from the 15th D2 Frontend Tech Forum (Dec 19‑20)

The 15th D2 Frontend Technology Forum was held online on December 19‑20, featuring 21 talks—including international sessions—covering topics such as RxJS refactoring, cross‑platform solutions, web performance, WebAssembly IoT, large‑venue seat selection, AI‑driven code generation, ES2020/2021, fault drills, testing, serverless, SSR, and Node.js, with all presentation PPTs available via a QR code.

Node.jsPerformanceServerless
0 likes · 10 min read
All Highlights & PPTs from the 15th D2 Frontend Tech Forum (Dec 19‑20)
Laravel Tech Community
Laravel Tech Community
Dec 21, 2020 · Backend Development

New Features and Performance Improvements in PHP 8.0

This article outlines the major new features and performance enhancements introduced in PHP 8.0, including JIT compilation, named parameters, union types, attributes, match expressions, null‑safe operator, WeakMap, constructor property promotion, and numerous syntax improvements, accompanied by illustrative code examples.

Code examplesNew FeaturesPHP 8
0 likes · 12 min read
New Features and Performance Improvements in PHP 8.0
Taobao Frontend Technology
Taobao Frontend Technology
Dec 21, 2020 · Frontend Development

How Rax Enables Runtime Rendering for Mini‑Programs: Architecture and Optimizations

This article explains the principles behind Rax's mini‑program runtime scheme, compares it with the compile‑time approach, details the self‑referencing component technique, event system, engineering design, performance tuning measures, mixed usage with custom components, and future optimization directions.

KbonePerformanceRax
0 likes · 15 min read
How Rax Enables Runtime Rendering for Mini‑Programs: Architecture and Optimizations
Code Ape Tech Column
Code Ape Tech Column
Dec 21, 2020 · Backend Development

13 Proven Redis Performance Tweaks Every Engineer Should Apply

This article presents thirteen practical Redis performance‑optimization rules—covering command complexity, key expiration, data structures, persistence, hardware choices, clustering, memory fragmentation, and client‑side techniques—to help developers identify bottlenecks and boost throughput and latency in production environments.

CachingMemory ManagementOptimization
0 likes · 12 min read
13 Proven Redis Performance Tweaks Every Engineer Should Apply
Node Underground
Node Underground
Dec 20, 2020 · Backend Development

Explore the Ultimate Node.js Best Practices Repository

The article introduces the widely‑starred GitHub project “Node.js Best Practices,” highlighting its multilingual documentation, comprehensive coverage of project structure, error handling, coding standards, testing, production, security, and performance, and encourages readers to visit the repository for detailed guidance.

Backend DevelopmentBest PracticesPerformance
0 likes · 2 min read
Explore the Ultimate Node.js Best Practices Repository
Beike Product & Technology
Beike Product & Technology
Dec 19, 2020 · Backend Development

Evolution of Beike Mini‑Program Backend Platform: From PHP to Golang, Microservices, and Cloud‑Native Architecture

The article details the progressive transformation of Beike's mini‑program backend—from rapid PHP prototyping to Golang‑based gateways, microservice decomposition, Redis and TiDB optimizations, and cloud‑native stability measures—illustrating how performance, scalability, and platform‑wide capabilities were systematically enhanced.

GolangPerformancebackend
0 likes · 16 min read
Evolution of Beike Mini‑Program Backend Platform: From PHP to Golang, Microservices, and Cloud‑Native Architecture
ITPUB
ITPUB
Dec 17, 2020 · Databases

5 Essential Rules to Write High‑Performance SQL Queries

This article presents five practical rules for writing efficient SQL queries—including selecting only needed rows, using proper indexes, avoiding subqueries, replacing OFFSET pagination, and understanding the logical execution order—supported by examples, execution plans, and performance tips for various relational databases.

IndexesPerformanceQuery Optimization
0 likes · 14 min read
5 Essential Rules to Write High‑Performance SQL Queries
Aikesheng Open Source Community
Aikesheng Open Source Community
Dec 17, 2020 · Operations

Root Cause Analysis of MySQL "Opening tables" Stalls Caused by Poor Disk Write Performance and InnoDB Redo Log Flush

The article investigates why a MySQL instance experiences frequent "Opening tables" states, analyzing stack traces, identifying a data dictionary lock held by the dict_stats_thread, and concluding that slow disk writes trigger InnoDB's synchronous dirty‑page flush, blocking many operations.

InnoDBMySQLOpening tables
0 likes · 14 min read
Root Cause Analysis of MySQL "Opening tables" Stalls Caused by Poor Disk Write Performance and InnoDB Redo Log Flush
Xianyu Technology
Xianyu Technology
Dec 17, 2020 · Cloud Native

Elastic Scaling in Serverless Cloud‑Native Applications

Elastic scaling, a cornerstone of Xianyu’s shift to serverless cloud-native architecture, leverages Kubernetes autoscaling components—Cluster‑Autoscaler, HPA, VPA—to dynamically adjust resources via reactive thresholds or predictive models, yet faces challenges like cold‑starts, lack of scale‑to‑zero, and optimal pod‑pool buffering, prompting ongoing research for faster, smarter, safer scaling.

Auto ScalingCloud-nativeElastic Scaling
0 likes · 19 min read
Elastic Scaling in Serverless Cloud‑Native Applications
MaGe Linux Operations
MaGe Linux Operations
Dec 15, 2020 · Fundamentals

Boost Python Speed: 5 Proven Techniques to Outrun C and Java

Although Python is slower than C, Java, or JavaScript for CPU‑intensive tasks, several projects—including PyPy, Pyston, Nuitka, Cython, and Numba—offer distinct approaches such as JIT compilation, LLVM back‑ends, or C conversion to significantly improve Python’s runtime performance.

CythonJITLLVM
0 likes · 5 min read
Boost Python Speed: 5 Proven Techniques to Outrun C and Java
Watermelon Video Tech Team
Watermelon Video Tech Team
Dec 14, 2020 · Mobile Development

Tailor: An Open‑Source Android Memory Snapshot Trimming and Compression Tool for OOM Governance

Tailor is an open‑source Android memory‑snapshot trimming and compression tool developed by the Xigua Video team that dramatically reduces OOM occurrences by over 95% through efficient snapshot cropping, zlib compression, and seamless integration with the dump process, while preserving essential debugging information.

AndroidHprofMemory Management
0 likes · 17 min read
Tailor: An Open‑Source Android Memory Snapshot Trimming and Compression Tool for OOM Governance
Meituan Technology Team
Meituan Technology Team
Dec 10, 2020 · Operations

Optimizing C++ Build Times in Large-Scale Projects: Analysis and Practices

By systematically analyzing compilation stages and applying a mix of generic tactics—parallel and distributed builds, precompiled headers, ccache, C++20 modules, include pruning—and code‑level changes such as forward declarations, external templates, and replacing heavy Boost headers, the Meituan Search & NLP team cut a 20‑minute C++ build to about 100 seconds, a 70 % reduction, and instituted a compile‑fingerprint system to guard against regressions.

C++CompilationPerformance
0 likes · 23 min read
Optimizing C++ Build Times in Large-Scale Projects: Analysis and Practices
Sohu Tech Products
Sohu Tech Products
Dec 9, 2020 · Frontend Development

Essential JavaScript Performance Optimization Techniques

This article presents a comprehensive set of JavaScript performance optimization techniques—including removing dead code, leveraging caching, preventing memory leaks, breaking loops early, minimizing variable calculations, reducing DOM access, compressing and minifying files, using throttling/debouncing, avoiding delete, employing async code, code splitting, async/defer attributes, and Web Workers—to help developers deliver faster, more efficient web applications across diverse devices.

PerformanceWeb Development
0 likes · 13 min read
Essential JavaScript Performance Optimization Techniques
WeDoctor Frontend Technology
WeDoctor Frontend Technology
Dec 8, 2020 · Frontend Development

How React’s Fiber Scheduler Breaks Down Tasks for Smooth Rendering

This article explains React 16’s new Fiber architecture and its cooperative scheduling algorithm, showing how large diff tasks are split into small asynchronous units using priority queues and min‑heap structures, with code examples, performance visuals, and insights into real‑time and delayed task handling.

PerformanceReActScheduler
0 likes · 20 min read
How React’s Fiber Scheduler Breaks Down Tasks for Smooth Rendering
NetEase Media Technology Team
NetEase Media Technology Team
Dec 8, 2020 · Operations

Comprehensive Online Load‑Testing and Stability Assurance Framework

The stability‑assurance squad built an online load‑testing framework that injects global TraceIds via a Java‑agent, records real‑traffic, routes test writes to shadow databases and caches, enforces automatic stop‑rules, and provides a UI platform, reducing cost, improving capacity insight, and enabling safe fault‑injection drills.

Distributed TracingJava AgentPerformance
0 likes · 12 min read
Comprehensive Online Load‑Testing and Stability Assurance Framework
ITPUB
ITPUB
Dec 7, 2020 · Databases

Why Redis Is So Fast: Inside Its Memory Design and Data Structures

This article explains how Redis achieves high performance by using an in‑memory architecture, specialized data structures such as SDS, doubly linked lists, ziplists and skip‑lists, efficient encoding strategies, and a single‑threaded I/O multiplexing model that eliminates costly context switches.

Data StructuresIn-Memory DatabasePerformance
0 likes · 12 min read
Why Redis Is So Fast: Inside Its Memory Design and Data Structures
Java Architecture Diary
Java Architecture Diary
Dec 7, 2020 · Backend Development

Speed Up Spring Boot Startup with Actuator’s Startup Endpoint

This article explains how to use Spring Boot 2.4's actuator startup endpoint to monitor and analyze application initialization time, offering practical steps, configuration examples, code snippets, and a test case to identify and optimize slow components such as database pools and custom beans.

Performancespring-bootstartup-monitoring
0 likes · 6 min read
Speed Up Spring Boot Startup with Actuator’s Startup Endpoint
Programmer DD
Programmer DD
Dec 6, 2020 · Databases

Master Redis Interview: Persistence, Caching Strategies, Clustering & More

This comprehensive guide covers essential Redis interview topics, including persistence mechanisms (RDB and AOF), cache challenges such as avalanche, penetration and pre‑warming, data types and their use cases, internal structures, eviction policies, single‑thread performance, clustering solutions, distributed locking, transactions, and best practices for high‑traffic environments.

CachingClusteringDistributed Lock
0 likes · 25 min read
Master Redis Interview: Persistence, Caching Strategies, Clustering & More
Architects' Tech Alliance
Architects' Tech Alliance
Dec 4, 2020 · Databases

Comparison of MySQL and PostgreSQL: Features, Advantages, and Use Cases

This article provides a detailed comparison of MySQL and PostgreSQL, covering licensing, ACID compliance, SQL standard support, replication models, concurrency control, performance characteristics, high‑availability solutions, external data integration, storage engines, and overall strengths and weaknesses to help readers choose the most suitable open‑source database for their scenarios.

Database ComparisonMySQLPerformance
0 likes · 12 min read
Comparison of MySQL and PostgreSQL: Features, Advantages, and Use Cases
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Dec 3, 2020 · Databases

Essential MySQL Design & Development Standards for Reliable Databases

This guide outlines comprehensive MySQL best‑practice standards covering naming conventions, storage engine selection, charset usage, table and column comments, size limits, partitioning, hot‑cold data separation, index design, SQL coding rules, and operational safeguards to ensure performant, maintainable, and secure database systems.

Best PracticesDatabase DesignIndexing
0 likes · 22 min read
Essential MySQL Design & Development Standards for Reliable Databases
Sohu Tech Products
Sohu Tech Products
Dec 2, 2020 · Frontend Development

Using Chrome DevTools to Inspect CSS, Edit Pages, and Analyze Web Performance

This guide walks through Chrome DevTools features—including inspecting pseudo‑class styles, temporarily toggling classes, making pages editable, checking placeholder styles, testing performance and SEO, viewing network details, examining event handlers, searching code globally, recording runtime performance, using rendering diagnostics, and exploring application storage—providing step‑by‑step instructions with code snippets and visual examples.

Chrome DevToolsPerformanceWeb Development
0 likes · 3 min read
Using Chrome DevTools to Inspect CSS, Edit Pages, and Analyze Web Performance
IT Architects Alliance
IT Architects Alliance
Dec 2, 2020 · Operations

How to Diagnose and Optimize Business System Performance Issues

This article outlines a comprehensive process for identifying root causes of performance bottlenecks in production business systems, covering hardware, database, middleware, JVM settings, code inefficiencies, and monitoring tools, and provides practical optimization techniques for each layer.

JVMMiddlewareOptimization
0 likes · 16 min read
How to Diagnose and Optimize Business System Performance Issues
Programmer DD
Programmer DD
Dec 2, 2020 · Backend Development

How Kafka Uses a Timing Wheel for Efficient Timeout Handling

Kafka handles many requests that require asynchronous processing or waiting for conditions by attaching a timeout parameter; if the condition isn’t met within the timeout, Kafka returns a timeout response, and it implements this efficiently using a hierarchical Timing Wheel data structure that offers O(1) insertion and fast expiration checks.

KafkaPerformanceScala
0 likes · 12 min read
How Kafka Uses a Timing Wheel for Efficient Timeout Handling
Liangxu Linux
Liangxu Linux
Dec 1, 2020 · Fundamentals

How Much CPU Time Does a Linux Context Switch Really Cost?

This article measures the CPU time consumed by Linux process and thread context switches, explains the underlying operations, compares simple token‑passing tests with lmbench benchmarks, and shows how to monitor and interpret switch statistics on a production server.

BenchmarkLinuxPerformance
0 likes · 13 min read
How Much CPU Time Does a Linux Context Switch Really Cost?
Programmer DD
Programmer DD
Dec 1, 2020 · Backend Development

Mastering Zero-Copy in Java: Boost I/O Performance with NIO, Netty & Kafka

Zero-copy techniques eliminate unnecessary data copying between user and kernel space, dramatically improving I/O performance; this article explains core concepts, Java NIO’s MappedByteBuffer and DirectByteBuffer, channel-to-channel transfers, Netty’s composite buffers, and how frameworks like Kafka and RocketMQ leverage zero-copy.

JavaNIONetty
0 likes · 12 min read
Mastering Zero-Copy in Java: Boost I/O Performance with NIO, Netty & Kafka
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Dec 1, 2020 · Databases

Why Redis Dominates Modern Caching: Features, Architecture, and Best Practices

Redis, an in‑memory C‑language database, offers ultra‑fast read/write speeds, rich data structures, persistence, clustering, and multi‑threaded I/O, making it ideal for distributed caching, locks, queues, and more; this guide explains its fundamentals, comparisons with Memcached, data types, eviction policies, and operational best practices.

CacheData StructuresPerformance
0 likes · 36 min read
Why Redis Dominates Modern Caching: Features, Architecture, and Best Practices
Code Ape Tech Column
Code Ape Tech Column
Nov 30, 2020 · Backend Development

Master Redis: Persistence, Caching Pitfalls, Clustering & Performance Tips

This article provides a comprehensive guide to Redis for interview preparation, covering persistence mechanisms, common caching challenges such as avalanche and penetration, data types and their use cases, internal structures, expiration policies, single‑threaded performance, clustering options, distributed locking, and best‑practice solutions.

CachingClusteringData Types
0 likes · 27 min read
Master Redis: Persistence, Caching Pitfalls, Clustering & Performance Tips
IT Architects Alliance
IT Architects Alliance
Nov 29, 2020 · Backend Development

Why High Performance Makes Software Architecture So Complex—and How to Tame It

The article analyzes how the relentless pursuit of high performance drives both single‑machine and cluster‑level architectural complexity, explaining the evolution from batch processing to multi‑core CPUs, the trade‑offs of processes, threads, SMP/NUMA/MPP, and the challenges of task allocation and decomposition in large‑scale systems.

PerformanceSoftware Architecturebackend
0 likes · 16 min read
Why High Performance Makes Software Architecture So Complex—and How to Tame It
Java Architect Essentials
Java Architect Essentials
Nov 27, 2020 · Backend Development

16 Java Coding Best Practices for Performance and Clean Code

This article presents sixteen practical Java coding best‑practice guidelines—including avoiding ‘where 1=1’ in MyBatis, using entrySet for map iteration, preferring Collection.isEmpty(), pre‑sizing collections, employing StringBuilder, leveraging Set for contains checks, static initialization blocks, and other tips—to improve performance, readability, and safety of backend applications.

Best PracticesCollectionsJava
0 likes · 18 min read
16 Java Coding Best Practices for Performance and Clean Code
Laravel Tech Community
Laravel Tech Community
Nov 27, 2020 · Backend Development

Highlights of PHP 8.0: JIT and Major New Features

PHP 8.0 introduces a suite of major enhancements—including named arguments, union types, attributes, constructor property promotion, match expressions, null‑safe operator, and especially JIT compilation—aimed at improving performance, type safety, and overall language consistency.

JITPHP8Performance
0 likes · 3 min read
Highlights of PHP 8.0: JIT and Major New Features
Alibaba Terminal Technology
Alibaba Terminal Technology
Nov 27, 2020 · Frontend Development

What Chrome 87 Brings: Major Performance Boosts and New Web APIs

Chrome 87 (M87) introduced a suite of performance‑focused enhancements and new web APIs—including tag throttling, occlusion tracking, forward/back cache, WebAuthn debugging, camera PTZ control, range‑request support in service workers, and a font‑access API—significantly improving browser efficiency and developer capabilities.

Camera PTZChromeFont Access
0 likes · 8 min read
What Chrome 87 Brings: Major Performance Boosts and New Web APIs
php Courses
php Courses
Nov 27, 2020 · Backend Development

Phoronix PHP 8 Performance Benchmark Report Highlights JIT Gains

Phoronix’s benchmark of PHP 8 (built from the latest Git source) compares it with previous PHP releases, showing modest gains for the stable version but a dramatic 92% speed increase when JIT is enabled, while also revealing mixed results across different test suites due to I/O bottlenecks.

BenchmarkJITPHP8
0 likes · 3 min read
Phoronix PHP 8 Performance Benchmark Report Highlights JIT Gains
Alibaba Cloud Native
Alibaba Cloud Native
Nov 26, 2020 · Cloud Computing

How Gaode Scaled Serverless to Handle 2 Million Calls per Minute During China’s Travel Festival

During the 2020 "Golden Week" travel festival, Gaode Maps leveraged Alibaba Cloud Serverless to sustain nearly two million function invocations per minute, achieving over 99.99% success rate, sub‑60 ms latency, and demonstrating significant gains in efficiency, elasticity, cost savings, and observability for large‑scale map services.

Cloud ComputingPerformanceServerless
0 likes · 9 min read
How Gaode Scaled Serverless to Handle 2 Million Calls per Minute During China’s Travel Festival
Liangxu Linux
Liangxu Linux
Nov 25, 2020 · Operations

Essential Linux Shell Commands for System Monitoring and Troubleshooting

This guide compiles dozens of practical Linux shell commands for deleting zero‑byte files, inspecting processes, checking CPU, memory, disk usage, and more, plus a collection of useful regular expressions for matching Chinese characters, emails, URLs, IPs, and other patterns.

LinuxPerformanceShell
0 likes · 14 min read
Essential Linux Shell Commands for System Monitoring and Troubleshooting
Architects' Tech Alliance
Architects' Tech Alliance
Nov 25, 2020 · Fundamentals

In‑Depth Look at AMD’s Zen 3 Core Architecture and Performance

The article provides a comprehensive technical analysis of AMD’s Zen 3 (Ryzen 5000) microarchitecture, covering its chiplet layout, cache hierarchy, front‑end redesign, integer and floating‑point units, load/store improvements, security features, and overall performance gains compared with Zen 2.

AMDCPU architectureChiplet
0 likes · 13 min read
In‑Depth Look at AMD’s Zen 3 Core Architecture and Performance
macrozheng
macrozheng
Nov 24, 2020 · Backend Development

Fastest & Safest HashMap Traversal: Compare Java 8 Streams, Lambdas, and Iterators

This article examines the four major HashMap traversal techniques—Iterator, for‑each loops, Lambda expressions, and Streams API—detailing seven concrete implementations, benchmarking their performance with JMH, analyzing generated bytecode, and evaluating safety when modifying collections during iteration, ultimately recommending the most efficient and secure approaches.

HashMapJavaPerformance
0 likes · 19 min read
Fastest & Safest HashMap Traversal: Compare Java 8 Streams, Lambdas, and Iterators
Top Architect
Top Architect
Nov 24, 2020 · Databases

SQL Query Optimization Rules and Best Practices

This article presents five practical rules for writing efficient SQL queries—including using precise WHERE clauses, creating appropriate indexes, avoiding costly subqueries, replacing OFFSET‑based pagination with key‑based limits, and understanding the logical execution order of SQL clauses—to help developers improve database performance across major relational systems.

IndexesPerformanceQuery Optimization
0 likes · 14 min read
SQL Query Optimization Rules and Best Practices
DeWu Technology
DeWu Technology
Nov 23, 2020 · Backend Development

Understanding Cache: Concepts, Types, and Best Practices

Cache is a temporary storage layer that speeds data access by keeping frequently used items close to the processor, spanning hardware (CPU registers, multi‑level caches) to software (database, Redis, Memcached), and requires careful design to avoid penetration, breakdown, and consistency issues through techniques such as empty‑result caching, Bloom filters, pre‑warming, jittered expirations, logical refreshes, and multi‑level strategies.

CacheData ConsistencyPerformance
0 likes · 12 min read
Understanding Cache: Concepts, Types, and Best Practices
Aikesheng Open Source Community
Aikesheng Open Source Community
Nov 20, 2020 · Databases

Optimizing a Slow MySQL 5.7 Query for Detecting Tables Without Primary or Unique Keys

This article examines why a MySQL 5.7 query that finds tables lacking primary or unique keys runs extremely slowly, demonstrates an experiment reproducing the issue, analyzes the optimizer's subquery rewrite, and shows how adding hints and materialization reduces execution time from over 16 seconds to under one second.

Information SchemaMySQLPerformance
0 likes · 4 min read
Optimizing a Slow MySQL 5.7 Query for Detecting Tables Without Primary or Unique Keys
Top Architect
Top Architect
Nov 20, 2020 · Databases

Database Design and SQL Best‑Practice Guidelines

This article presents a comprehensive set of mandatory and recommended MySQL database standards—including table creation rules, SQL writing conventions, and index design practices—aimed at preventing improper schemas, reducing erroneous queries, and improving overall performance for backend development teams.

Database DesignIndexesMySQL
0 likes · 14 min read
Database Design and SQL Best‑Practice Guidelines
ITPUB
ITPUB
Nov 19, 2020 · Operations

10 Essential Linux Sysadmin Hacks to Boost Efficiency and Save Time

This article presents ten practical Linux system‑administration techniques—from ejecting a stuck DVD drive and resetting a frozen console to using screen sharing, SSH tunnels, bandwidth testing, and powerful command‑line scripts—each designed to streamline tasks, reduce downtime, and give administrators more free time.

LinuxPerformanceSSH
0 likes · 19 min read
10 Essential Linux Sysadmin Hacks to Boost Efficiency and Save Time
ITPUB
ITPUB
Nov 19, 2020 · Fundamentals

How HugePages Boost Database and Hadoop Performance on Linux

This article explains Linux HugePages, how to view and configure them, demonstrates code and Kubernetes examples, and details how larger memory pages reduce management overhead and lock memory to improve performance for memory‑intensive services like databases and Hadoop.

HadoopHugePagesLinux
0 likes · 10 min read
How HugePages Boost Database and Hadoop Performance on Linux
macrozheng
macrozheng
Nov 18, 2020 · Backend Development

Why MapStruct Is the Fastest Java Bean Mapper and How to Use It

This article introduces MapStruct, a compile‑time Java bean‑mapping framework, explains why it outperforms other mappers, shows how to configure Maven, define mapper interfaces, handle custom field mappings, and demonstrates its impressive runtime performance with practical code examples.

JavaPerformancebean-mapping
0 likes · 13 min read
Why MapStruct Is the Fastest Java Bean Mapper and How to Use It
政采云技术
政采云技术
Nov 17, 2020 · Frontend Development

Writing High-Quality Maintainable Code: Asynchronous Optimization

This article explains the various asynchronous techniques in JavaScript—callback, Promise, async/await, and generator—compares them, and demonstrates practical patterns for handling callback hell, parallel and sequential async operations to write cleaner, more maintainable frontend code.

CallbackPerformancePromise
0 likes · 10 min read
Writing High-Quality Maintainable Code: Asynchronous Optimization