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Architects' Tech Alliance
Architects' Tech Alliance
May 25, 2026 · Industry Insights

What Is the ‘τ Law’? How Huawei Aims to Reach 1.4 nm‑Level Performance in Five Years

The article introduces Huawei’s “τ Law”, which shifts chip advancement from geometric scaling to time‑constant reduction, explains its four‑layer optimization (device, circuit, chip, system), showcases logic‑folding technology, and outlines a roadmap that could match 1.4 nm performance by 2031 without relying on EUV lithography.

HuaweiMoore's LawSystem Optimization
0 likes · 9 min read
What Is the ‘τ Law’? How Huawei Aims to Reach 1.4 nm‑Level Performance in Five Years
Ray's Galactic Tech
Ray's Galactic Tech
Nov 14, 2025 · Operations

Mastering Nginx Under High Load: Practical Tuning & Troubleshooting Guide

Learn how to identify and resolve common high‑concurrency bottlenecks for Nginx by optimizing OS limits, network stack, Nginx configuration, logging, reverse‑proxy settings, backend services, and hardware resources, with concrete commands, parameter values, and step‑by‑step troubleshooting procedures.

OperationsSystem Optimizationbackend
0 likes · 6 min read
Mastering Nginx Under High Load: Practical Tuning & Troubleshooting Guide
Radish, Keep Going!
Radish, Keep Going!
Oct 28, 2025 · Big Data

How Netflix Achieved Petabyte-Scale, Sub-Second Log Queries with ClickHouse

Netflix processes over 5 PB of logs daily, handling millions of events per second, and by layering hot and cold storage, using a custom lexer for fingerprinting, native protocol serialization, and sharded tag maps, they reduced query latency from seconds to sub‑second levels with ClickHouse.

Big DataClickHouseDistributed Systems
0 likes · 8 min read
How Netflix Achieved Petabyte-Scale, Sub-Second Log Queries with ClickHouse
Su San Talks Tech
Su San Talks Tech
Sep 30, 2025 · Operations

Master High-Concurrency Nginx: Proven Configs to Crush 502/504 Errors

Learn how to transform Nginx into a high‑concurrency powerhouse by addressing common 502/504 errors, optimizing worker processes, event and HTTP settings, fine‑tuning OS kernel parameters, implementing caching, rate‑limiting, load‑balancing, and monitoring scripts, with practical code examples and checklists.

LinuxSystem Optimizationhigh concurrency
0 likes · 10 min read
Master High-Concurrency Nginx: Proven Configs to Crush 502/504 Errors
Liangxu Linux
Liangxu Linux
Sep 22, 2025 · Operations

How to Boost Nginx to Over 1 Million QPS: Real‑World High‑Concurrency Tuning

This article presents a step‑by‑step, production‑tested guide for tuning Nginx from 100 k QPS to over a million requests per second, covering worker process settings, TCP tweaks, kernel parameters, caching, compression, SSL optimization, monitoring, and extreme‑case techniques such as DPDK and LuaJIT.

Performance tuningSystem Optimizationload balancing
0 likes · 14 min read
How to Boost Nginx to Over 1 Million QPS: Real‑World High‑Concurrency Tuning
Deepin Linux
Deepin Linux
Sep 16, 2025 · Operations

Master Linux Performance: Proven Tips to Boost Speed and Stability

This comprehensive guide explains how to identify and resolve common Linux performance bottlenecks—covering key metrics, hardware upgrades, kernel parameter tuning, process and memory management, and network optimization—while providing practical commands, code examples, and step‑by‑step troubleshooting techniques to keep servers and desktops running smoothly.

LinuxPerformance tuningSystem Optimization
0 likes · 35 min read
Master Linux Performance: Proven Tips to Boost Speed and Stability
MaGe Linux Operations
MaGe Linux Operations
Aug 23, 2025 · Operations

Unlock Hidden Linux System Tweaks: Secrets 99% of Engineers Miss

This guide presents a collection of advanced Linux performance optimizations—including kernel parameter tweaks, filesystem and I/O settings, CPU affinity, memory management, network tuning, and automated monitoring scripts—demonstrated with a real‑world e‑commerce case study that boosted QPS from 2 000 to 12 000 and reduced latency by 75%.

Kernel ParametersPerformance tuningSystem Optimization
0 likes · 13 min read
Unlock Hidden Linux System Tweaks: Secrets 99% of Engineers Miss
MaGe Linux Operations
MaGe Linux Operations
Jun 18, 2025 · Operations

Master Linux System Optimization: Tools, Techniques, and Performance Tuning

This comprehensive guide explains how to identify and resolve Linux server performance bottlenecks by adjusting kernel parameters, optimizing CPU, memory, disk, and network settings, and using monitoring tools such as vmstat, mpstat, iostat, sar, top, ps, htop, pidstat, and strace to ensure stable and efficient operation.

Resource ManagementServer TuningSystem Optimization
0 likes · 38 min read
Master Linux System Optimization: Tools, Techniques, and Performance Tuning
AIWalker
AIWalker
Apr 13, 2025 · Artificial Intelligence

Huawei Pangu Ultra: 135B Ascend‑Native Dense LLM Without Nvidia GPUs

Huawei's Pangu Ultra introduces a 135‑billion‑parameter dense language model trained entirely on Ascend NPUs, detailing novel stability architectures, a domain‑aware tokenizer, multi‑stage pre‑training, extensive system optimizations, and benchmark results that surpass leading models such as Llama 405B and DeepSeek‑R1.

Ascend NPUDense ModelLarge Language Model
0 likes · 15 min read
Huawei Pangu Ultra: 135B Ascend‑Native Dense LLM Without Nvidia GPUs
Linux Code Review Hub
Linux Code Review Hub
Apr 5, 2025 · Operations

Inside Linux Perf: How the Kernel’s Powerful Tracing Tool Works

The article introduces Linux’s built‑in performance analysis tool perf, explains its event‑driven sampling, tracing and profiling capabilities, shows how to install it on various distributions, demonstrates common commands with real code examples, and discusses practical scenarios for locating and optimizing kernel and application performance issues.

BenchmarkingSystem Optimizationflamegraph
0 likes · 36 min read
Inside Linux Perf: How the Kernel’s Powerful Tracing Tool Works
Practical DevOps Architecture
Practical DevOps Architecture
Mar 14, 2025 · Backend Development

Comprehensive Java Senior Engineer Curriculum: Architecture Design, System Optimization, and Advanced Topics

This curriculum outlines a 25‑week advanced Java engineering program covering performance optimization, JVM internals, concurrency, distributed storage, MySQL and NoSQL databases, Docker, Kubernetes, microservices, Spring framework deep dives, Nginx, Elasticsearch, Redis, messaging systems, CI/CD tools, and hands‑on project implementation to build high‑performance, scalable backend systems.

DockerJVMJava
0 likes · 3 min read
Comprehensive Java Senior Engineer Curriculum: Architecture Design, System Optimization, and Advanced Topics
DeWu Technology
DeWu Technology
Feb 26, 2025 · Backend Development

Migrating to Rust: A Case Study in High-Performance Computing

Migrating a Java computing layer to Rust yielded dramatic performance gains—30% lower CPU usage, 70% less memory—and greater stability, as the authors explain how Rust’s ownership, borrowing, lifetimes, and concurrency, combined with optimized data handling, FFI integration, Tokio async, Docker deployment, and monitoring, outweigh the steep learning curve and ecosystem gaps.

Backend DevelopmentFFIHigh Performance Computing
0 likes · 22 min read
Migrating to Rust: A Case Study in High-Performance Computing
Baidu Tech Salon
Baidu Tech Salon
Jan 8, 2025 · Artificial Intelligence

Evolution of Video Search Ranking Architecture Toward an End‑to‑End Large‑Model Framework

The paper describes transforming a tightly coupled, multi‑stage video search ranking pipeline into a modular, end‑to‑end large‑model architecture that decouples recall, employs a graph‑engine parallel framework and elastic compute allocation, thereby boosting performance, flexibility, personalization and lowering long‑term operational costs.

End-to-EndSystem Optimizationelastic resources
0 likes · 10 min read
Evolution of Video Search Ranking Architecture Toward an End‑to‑End Large‑Model Framework
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Jan 2, 2025 · Artificial Intelligence

Xiaohongshu's Self-developed RLHF System for Multimodal Large Language Models: Design, Optimization, and Performance

Xiaohongshu’s team unveiled a self‑developed RLHF system that trains multimodal large language models using heterogeneous and homogeneous network architectures, extensive PPO optimizations, and Medusa speculative sampling, achieving over 50% throughput gains, reduced hardware needs, and 5‑20% performance improvements on zero‑shot benchmarks.

Multimodal LLMPPOPRM
0 likes · 21 min read
Xiaohongshu's Self-developed RLHF System for Multimodal Large Language Models: Design, Optimization, and Performance
System Architect Go
System Architect Go
Dec 15, 2024 · Operations

A Structured Framework for Optimizing System Components

This article presents a comprehensive framework for optimizing system components such as databases, caches, message queues, and search engines, covering environment configuration, data structure organization, client‑side usage, and inter‑component collaboration, illustrated with MySQL, Redis, Kafka, and Elasticsearch examples.

CachingSearchSystem Optimization
0 likes · 6 min read
A Structured Framework for Optimizing System Components
Mike Chen's Internet Architecture
Mike Chen's Internet Architecture
Dec 10, 2024 · Backend Development

Understanding High Concurrency in Nginx: Configuration Tips and Best Practices

This article explains what constitutes high concurrency for Nginx, outlines the hardware and software factors that affect its performance, and provides concrete configuration examples such as worker_processes, worker_connections, and other tuning directives to help achieve stable high‑traffic handling.

Backend PerformanceSystem Optimizationconfiguration tuning
0 likes · 4 min read
Understanding High Concurrency in Nginx: Configuration Tips and Best Practices
Java Architecture Stack
Java Architecture Stack
Oct 11, 2024 · Operations

25 Proven Linux Performance Tuning Tricks to Boost System Speed

Learn 25 practical Linux performance tuning techniques—from adjusting kernel parameters like swappiness and ulimit to optimizing I/O schedulers, network buffers, and enabling HugePages—each with clear commands and step‑by‑step instructions to help you maximize system responsiveness and throughput.

I/O schedulerKernel ParametersLinux
0 likes · 10 min read
25 Proven Linux Performance Tuning Tricks to Boost System Speed
Sohu Tech Products
Sohu Tech Products
Sep 11, 2024 · Backend Development

Optimizing an Audit System Processing Chain for Traffic Spikes Using Chain of Responsibility and Sliding‑Window Detection

To prevent audit pipelines from choking during traffic surges, the article proposes augmenting the classic Chain of Responsibility with a sliding‑window anomaly detector, a statistically‑driven dynamic detector, a rule‑based backflow mechanism, and AI‑powered traffic forecasting, enabling adaptive routing and proactive scaling.

JavaSliding WindowSystem Optimization
0 likes · 16 min read
Optimizing an Audit System Processing Chain for Traffic Spikes Using Chain of Responsibility and Sliding‑Window Detection
Baidu Geek Talk
Baidu Geek Talk
Nov 14, 2023 · Industry Insights

How Elastic Cascading Controls Boost Search Engine Compute Efficiency

This article analyzes the rising compute demand in modern deep‑learning‑driven search systems, proposes a micro‑ and macro‑level adaptive power‑allocation framework, models the optimization problem with cost, time, and feasibility constraints, and details an elastic cascading architecture that dynamically balances resource usage, system state, and traffic value to achieve higher ROI and stability.

AIOperationsSystem Optimization
0 likes · 14 min read
How Elastic Cascading Controls Boost Search Engine Compute Efficiency
Open Source Linux
Open Source Linux
Aug 10, 2023 · Operations

How to Optimize Linux System Performance: A Practical Guide

This article explains why Linux performance issues arise, examines hardware, OS, network and application factors, outlines RAID choices, details OS and kernel tuning, describes the roles of ops staff, architects and developers, and provides a step‑by‑step troubleshooting workflow to improve system responsiveness and stability.

CPULinuxRAID
0 likes · 16 min read
How to Optimize Linux System Performance: A Practical Guide
37 Interactive Technology Team
37 Interactive Technology Team
Jul 21, 2023 · Cloud Native

Automated Performance Testing Architecture Using Alibaba Cloud PTS

The article explains how automated performance testing using Alibaba Cloud PTS—integrated with VPC‑based Kubernetes clusters, GitLab CI/CD pipelines, and cloud APIs—overcomes the inaccuracy, coordination delays, and resource waste of manual testing by providing on‑demand, scalable load generation, scenario orchestration, real‑time metrics, and cost‑effective reporting.

Alibaba Cloud PTSDevOpsSystem Optimization
0 likes · 4 min read
Automated Performance Testing Architecture Using Alibaba Cloud PTS
Open Source Linux
Open Source Linux
Jul 7, 2023 · Operations

Unlock Peak Linux Performance: Proven Tuning Strategies for Faster Systems

This article explains how to identify and resolve Linux performance bottlenecks by examining hardware resources, operating‑system settings, storage configurations, network bandwidth, and application behavior, and it outlines a systematic troubleshooting workflow for administrators, architects, and developers.

CPULinuxRAID
0 likes · 15 min read
Unlock Peak Linux Performance: Proven Tuning Strategies for Faster Systems
DataFunTalk
DataFunTalk
Jul 3, 2023 · Artificial Intelligence

Exploring Large‑Scale Graph Neural Network Applications and System Optimizations at Tencent

This article reviews Tencent's research on large‑scale graph neural networks, covering three memory/computation paradigms, the SAGA extension of the GAS model, various system optimizations such as graph partitioning and feature transmission, and future challenges including non‑message‑passing models and geometric information.

AISystem Optimizationlarge-scale computing
0 likes · 14 min read
Exploring Large‑Scale Graph Neural Network Applications and System Optimizations at Tencent
Architects' Tech Alliance
Architects' Tech Alliance
Jun 28, 2023 · Operations

Master Linux Performance: 8 Essential Tuning Techniques & Tools

This guide outlines eight practical Linux performance‑tuning methods—including kernel parameter tweaks, filesystem and network optimizations, process priority adjustments, memory management, scheduler configuration, software bloat removal, and log cleanup—while showcasing key tools and visual diagrams for effective system optimization.

FilesystemKernel ParametersLinux
0 likes · 5 min read
Master Linux Performance: 8 Essential Tuning Techniques & Tools
MaGe Linux Operations
MaGe Linux Operations
Apr 16, 2023 · Operations

Mastering Linux Performance: Key Factors and Optimization Strategies

Linux performance hinges on the interplay of hardware resources, OS configuration, and application efficiency; this guide outlines key factors such as CPU, memory, disk I/O, RAID, network bandwidth, kernel tuning, and the roles of ops, architects, and developers in systematic performance optimization.

LinuxMemoryRAID
0 likes · 16 min read
Mastering Linux Performance: Key Factors and Optimization Strategies
Tencent Cloud Developer
Tencent Cloud Developer
Jan 9, 2023 · Operations

Linux I/O Optimization: Zero-Copy Techniques

The article explains Linux I/O optimization through zero‑copy techniques—such as mmap + write, sendfile, and splice—detailing memory hierarchy, the benefits of reducing user‑kernel copies, the suitability of async + direct I/O for large file transfers, real‑world uses like Kafka and Nginx, and inherent platform limitations.

DMALinux I/OMMU
0 likes · 32 min read
Linux I/O Optimization: Zero-Copy Techniques
Architect
Architect
Jul 8, 2022 · Backend Development

Understanding Feed Stream Architecture: Models, Storage, and Optimization

This article explains the concept of feed streams, compares push and pull implementation models, discusses storage options such as MySQL, Redis SortedSet and Cassandra, and presents optimization techniques including online‑push/offline‑pull strategies, pagination methods, and deep‑paging solutions for large‑scale systems.

Backend ArchitectureSystem Optimizationcassandra
0 likes · 9 min read
Understanding Feed Stream Architecture: Models, Storage, and Optimization
Meituan Technology Team
Meituan Technology Team
Jun 9, 2022 · Databases

Optimizing Database Audit Tool Performance

By streamlining packet capture, cutting Goroutine count, employing Sync.Pool for object reuse, and filtering empty packets, the database audit tool’s CPU usage dropped from six cores to one, object allocation fell 90%, packet processing halved, and data loss was reduced 60%, achieving near‑zero loss with minimal performance impact.

Database OptimizationSystem Optimizationgopacket
0 likes · 10 min read
Optimizing Database Audit Tool Performance
ITPUB
ITPUB
Feb 18, 2022 · Backend Development

How Vivo Scaled Its Push Platform with Redis: Lessons in High‑Concurrency Optimization

This article details how Vivo's push notification platform leverages Redis for massive message throughput, identifies bottlenecks encountered during peak traffic, and outlines a series of capacity, clustering, hot‑key, and client‑side optimizations that reduced load by up to 15% and improved response times dramatically.

RedisScalabilitySystem Optimization
0 likes · 17 min read
How Vivo Scaled Its Push Platform with Redis: Lessons in High‑Concurrency Optimization
IT Architects Alliance
IT Architects Alliance
Dec 12, 2021 · Operations

System Performance Issue Analysis and Optimization Process for Business Applications

The article outlines a comprehensive process for diagnosing and optimizing performance problems in production business systems, covering causes such as high concurrency, data growth, hardware constraints, and detailing analysis of hardware, OS, database, middleware, JVM settings, code inefficiencies, and the role of monitoring and APM tools.

Database TuningJVMMonitoring
0 likes · 13 min read
System Performance Issue Analysis and Optimization Process for Business Applications
IT Architects Alliance
IT Architects Alliance
Nov 20, 2021 · Operations

Analysis and Optimization of Business System Performance

This article outlines a comprehensive approach to diagnosing and optimizing performance problems in production business systems, covering analysis processes, hardware, OS, database, middleware, JVM tuning, code inefficiencies, and monitoring techniques to identify root causes and improve system reliability.

Database TuningMonitoringOperations
0 likes · 16 min read
Analysis and Optimization of Business System Performance
Architect
Architect
May 18, 2021 · Big Data

Design and Optimization of Baidu's Image Processing and Ingestion Platform (Imazon) for Multimodal Retrieval

This article details Baidu's multimodal retrieval architecture, explaining the separation of online and offline services, the design of the Imazon image processing and ingestion platform, its technical indicators, large‑scale streaming and batch pipelines, optimization practices for high throughput, and the underlying content‑relationship engine.

DAGMultimodal RetrievalSystem Optimization
0 likes · 13 min read
Design and Optimization of Baidu's Image Processing and Ingestion Platform (Imazon) for Multimodal Retrieval
DataFunTalk
DataFunTalk
Feb 21, 2021 · Artificial Intelligence

Advances in Pre‑Ranking for Large‑Scale Advertising: The COLD Framework and Its Technical Evolution

This article reviews the development history, technical routes, and recent breakthroughs of pre‑ranking (coarse ranking) in large‑scale advertising systems, focusing on Alibaba's COLD (Computing‑power‑cost‑aware Online and Lightweight Deep) framework, its model design, engineering optimizations, experimental results, and future research directions.

AdvertisingCOLDMachine Learning
0 likes · 20 min read
Advances in Pre‑Ranking for Large‑Scale Advertising: The COLD Framework and Its Technical Evolution
Qunar Tech Salon
Qunar Tech Salon
Jan 21, 2021 · Backend Development

Design and Implementation of Qunar's High‑Concurrency Instant Messaging System

The article details Qunar's in‑house instant messaging platform, covering its purpose, protocol choices (XMPP with protocol‑buffer optimization), architecture based on ejabberd, message flow, reliability mechanisms, extensions such as bots and HTTP APIs, as well as extensive system‑level tuning for high‑concurrency TCP connections.

ErlangInstant MessagingSystem Optimization
0 likes · 15 min read
Design and Implementation of Qunar's High‑Concurrency Instant Messaging System
Architecture Digest
Architecture Digest
Jan 17, 2021 · Operations

System Performance Issue Analysis and Optimization Process

This article outlines a comprehensive process for diagnosing and optimizing performance problems in production business systems, covering hardware, OS, database, middleware, JVM tuning, code inefficiencies, monitoring tools, and the limitations of pre‑release testing, with practical guidelines and visual references.

APMDatabase TuningMonitoring
0 likes · 16 min read
System Performance Issue Analysis and Optimization Process
ITPUB
ITPUB
Jan 13, 2021 · Operations

How to Diagnose and Optimize Business System Performance Issues

This article outlines a step‑by‑step approach for identifying root causes of performance bottlenecks in production business systems, covering common scenarios such as high concurrency, data growth, hardware limits, database and middleware tuning, code inefficiencies, and the role of monitoring and APM tools.

APMDatabase TuningJVM
0 likes · 15 min read
How to Diagnose and Optimize Business System Performance Issues
DataFunTalk
DataFunTalk
Jan 4, 2021 · Artificial Intelligence

Personalized Computing‑Power Allocation for Alibaba Display Advertising: Transformers Engine and DCAF Algorithm

The article presents Alibaba's display‑advertising team’s three‑stage computing‑power efficiency evolution, introduces the DCAF personalized power‑allocation algorithm with its Lagrangian formulation, and describes the AllSpark dynamic‑control framework that together enable a flexible, resource‑aware Transformers engine achieving significant business gains during high‑traffic events.

System Optimizationalgorithmic co-designcomputing power
0 likes · 21 min read
Personalized Computing‑Power Allocation for Alibaba Display Advertising: Transformers Engine and DCAF Algorithm
ITPUB
ITPUB
Sep 19, 2020 · Backend Development

Inside the Backend Architecture of 58.com’s Intelligent Voice Robot

This article details the design and implementation of 58.com’s intelligent voice robot backend, covering its four‑layer architecture, SIP/SDP/RTP protocols, connection setup, multi‑turn voice interaction flow, DTMF handling, common troubleshooting issues, algorithm service modularization, SIP scheduling optimizations, and Java thread‑pool system tuning.

AISIPSystem Optimization
0 likes · 13 min read
Inside the Backend Architecture of 58.com’s Intelligent Voice Robot
Top Architect
Top Architect
Sep 10, 2020 · Operations

Elasticsearch Performance Tuning Guide: Configuration, System, and Usage Optimizations

This article provides a comprehensive guide to improving Elasticsearch performance and stability by covering configuration file tweaks, system‑level settings, and usage‑level optimizations such as hot‑thread analysis, pending tasks, field storage, translog handling, refresh intervals, shard management, and best practices for routing and alias usage.

Cluster ConfigurationPerformance tuningSystem Optimization
0 likes · 20 min read
Elasticsearch Performance Tuning Guide: Configuration, System, and Usage Optimizations
DataFunTalk
DataFunTalk
Sep 3, 2020 · Artificial Intelligence

Deep Learning Practices for Click‑Through‑Rate Prediction and Ranking at 58.com

This article describes how 58.com applied deep‑learning techniques—including feature engineering, sample construction, model evolution from Wide&Deep to DIN/DIEN and multi‑task learning—and system‑level optimizations to improve CTR/CPM performance in its large‑scale commercial ranking platform.

CTR predictionSystem Optimizationdeep learning
0 likes · 38 min read
Deep Learning Practices for Click‑Through‑Rate Prediction and Ranking at 58.com
58 Tech
58 Tech
Aug 31, 2020 · Artificial Intelligence

Deep Learning Practices for Commercial CTR Prediction at 58.com

This article details the end‑to‑end deep‑learning workflow for click‑through‑rate (CTR) prediction in 58.com’s commercial ranking system, covering system architecture, feature engineering, sample construction, model evolution from Wide&Deep to DIN/DIEN, and engineering optimizations that together yielded significant CPM and CVR improvements.

AdvertisingCTR predictionMachine Learning
0 likes · 38 min read
Deep Learning Practices for Commercial CTR Prediction at 58.com
JD Retail Technology
JD Retail Technology
Jun 16, 2020 · Backend Development

Technical Strategies for Scaling and Optimizing JD.com Advertising Systems During the 618 Promotion

The article details JD.com's advertising division's comprehensive backend engineering efforts—including traffic handling, data pipeline upgrades, memory optimization, and disaster‑recovery designs—to ensure system stability and performance during the high‑traffic 618 sales event.

AdvertisingData EngineeringSystem Optimization
0 likes · 9 min read
Technical Strategies for Scaling and Optimizing JD.com Advertising Systems During the 618 Promotion
Architecture Digest
Architecture Digest
Jun 19, 2019 · Big Data

Design and Optimization of Large‑Scale Log Systems for High‑Volume Data

This article examines the challenges of handling massive log data in large‑scale e‑commerce platforms, outlines a baseline ELK‑based architecture, discusses real‑time versus near‑real‑time requirements, and presents four optimization strategies—including basic tuning, platform scaling, data partitioning, and system degradation—to improve performance, resource utilization, and reliability.

ELKLog ManagementMonitoring
0 likes · 17 min read
Design and Optimization of Large‑Scale Log Systems for High‑Volume Data
MaGe Linux Operations
MaGe Linux Operations
Mar 15, 2019 · Operations

Master Nginx Performance: Tuning Workers, Caching, Gzip, and System Parameters

This guide details comprehensive Nginx performance optimization, covering worker process sizing, CPU affinity, file descriptor limits, event model settings, HTTP directives, fastcgi parameters, gzip compression, expires caching, anti‑hotlinking, and essential Linux kernel tweaks for high‑traffic servers.

CachingPerformance tuningSystem Optimization
0 likes · 15 min read
Master Nginx Performance: Tuning Workers, Caching, Gzip, and System Parameters
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Jan 29, 2019 · Operations

How to Optimize Large-Scale Log Systems for Real-Time Monitoring and Scalability

This article examines the design, deployment, and optimization of massive log systems, comparing architectures, discussing real‑time versus near‑real‑time requirements, and presenting practical improvements such as memory, CPU, network tuning, data partitioning, storage reduction, and component upgrades using ELK, Kafka, Fluentd, and HBase.

Big DataELKFluentd
0 likes · 18 min read
How to Optimize Large-Scale Log Systems for Real-Time Monitoring and Scalability
dbaplus Community
dbaplus Community
Jan 2, 2019 · Operations

How to Boost Banking System Performance: A Proven Testing & Optimization Playbook

This article presents a comprehensive methodology for performance testing and optimization of a new corporate banking system, covering evaluation metrics, monitoring tools, test environment setup, common bottlenecks, detailed troubleshooting steps, and real‑world case studies to achieve higher throughput, lower latency, and better scalability.

DatabaseJVMLoadRunner
0 likes · 24 min read
How to Boost Banking System Performance: A Proven Testing & Optimization Playbook
Efficient Ops
Efficient Ops
Dec 25, 2018 · Fundamentals

Why %CPU Is Misleading: Understanding the Real Meaning of CPU Utilization

This article explains why the traditional %CPU metric can be deceptive, describes how CPU stalls and memory bottlenecks affect perceived utilization, and offers practical guidance on using IPC and performance counters to obtain a more accurate view of system performance.

CPU stallsIPCSystem Optimization
0 likes · 10 min read
Why %CPU Is Misleading: Understanding the Real Meaning of CPU Utilization
Meituan Technology Team
Meituan Technology Team
Nov 15, 2018 · Cloud Native

Meituan's Container Platform HULK: Architecture and Optimization

Meituan’s HULK platform is a custom container‑cluster manager that integrates service governance, deployment and monitoring, while employing kernel patches, enhanced cgroup controls, dynamic CPU/memory isolation, P2P image distribution and in‑container core‑dump handling to overcome stability, performance and resource‑reporting challenges.

Cloud ComputingContainer TechnologyHULK
0 likes · 20 min read
Meituan's Container Platform HULK: Architecture and Optimization
JD Retail Technology
JD Retail Technology
Nov 9, 2018 · Operations

JD Finance Technical Operations and System Optimization for the 11.11 Promotion

The JD Finance technical teams—including Wealth R&D, Consumer Finance, Payment, Middle‑Platform, and Crowdfunding—conducted comprehensive system reviews, performance stress tests, capacity expansions, monitoring enhancements, and emergency downgrade plans to ensure stable, high‑throughput service during the 11.11 shopping festival.

11.11 promotionMonitoringSystem Optimization
0 likes · 8 min read
JD Finance Technical Operations and System Optimization for the 11.11 Promotion
JD Tech
JD Tech
Jun 30, 2018 · Operations

Essential Guide to Performance Testing: Concepts, Metrics, Process, and Best Practices

This article provides a comprehensive overview of performance testing, explaining its definition, key metrics such as throughput, response time and concurrent users, the relationship between these indicators, optimal testing timing, a step‑by‑step workflow from requirement analysis to reporting, and practical tips for effective load testing and system optimization.

Response TimeScalabilitySystem Optimization
0 likes · 8 min read
Essential Guide to Performance Testing: Concepts, Metrics, Process, and Best Practices
Efficient Ops
Efficient Ops
Mar 2, 2018 · Operations

Mastering System Performance Tuning: A Practical 5W+1H Guide

This article provides a comprehensive, easy‑to‑understand overview of performance tuning, covering what, why, when, where, who, and how to optimize hardware, operating systems, and applications, with practical examples, metrics, tools, and step‑by‑step procedures for both pre‑deployment and post‑deployment optimization.

HardwareOperationsSoftware
0 likes · 21 min read
Mastering System Performance Tuning: A Practical 5W+1H Guide
MaGe Linux Operations
MaGe Linux Operations
Feb 23, 2018 · Operations

Essential Linux Ops Interview Guide: From RAID Basics to Load‑Balancing Strategies

This comprehensive guide covers Linux operations interview topics, including the definition of ops, game‑ops roles, server management techniques, RAID levels, load‑balancing tools (LVS, Nginx, HAProxy), middleware, MySQL troubleshooting, backup solutions, health‑check configuration, common networking commands, virus removal, TCP/IP model, Nginx modules, log retention, system optimization, and useful command‑line shortcuts, all presented with clear explanations and practical examples.

LinuxMySQLOperations
0 likes · 38 min read
Essential Linux Ops Interview Guide: From RAID Basics to Load‑Balancing Strategies
21CTO
21CTO
Sep 22, 2017 · Backend Development

Mastering System Load: Metrics, Bottlenecks, and Optimization Strategies

This article explains how to measure a system's load capacity, identifies key factors such as bandwidth, hardware, OS and application configurations, and provides practical optimization techniques for Linux, Tomcat, Nginx, MySQL, and Redis to handle high concurrency efficiently.

LinuxSystem OptimizationTomcat
0 likes · 21 min read
Mastering System Load: Metrics, Bottlenecks, and Optimization Strategies
21CTO
21CTO
Aug 16, 2017 · Operations

Mastering Server Performance: CPU, Memory, and I/O Optimization Techniques

This guide explains how to assess and improve server performance by understanding key metrics such as CPU utilization, memory management, and disk I/O, introducing fundamental concepts, analysis methodologies like 5W2H and load‑characteristic summarization, and recommending practical Linux tools such as uptime, vmstat, top, perf, and DTrace for comprehensive troubleshooting.

CPUI/OMemory
0 likes · 19 min read
Mastering Server Performance: CPU, Memory, and I/O Optimization Techniques
MaGe Linux Operations
MaGe Linux Operations
Jun 18, 2017 · Operations

Boost Your Ubuntu: Step-by-Step System Optimization and Theme Customization

This guide walks you through optimizing Ubuntu by updating sources, removing unwanted packages, installing Unity tweak tools, applying the Flatabulous theme and icons, adding a system load indicator, setting up Microsoft YaHei fonts, configuring Zsh, and recommending essential software and DEB installation tips.

Software InstallationSystem OptimizationTheme Customization
0 likes · 4 min read
Boost Your Ubuntu: Step-by-Step System Optimization and Theme Customization
JD Retail Technology
JD Retail Technology
May 31, 2017 · Operations

JD.com R&D System 618 Preparation Launch Meeting

JD.com's R&D team completed a full-linkage pressure test for the 618 promotion, addressing hardware shortages by optimizing existing systems and preparing 24/7 monitoring.

618 promotionHardware ShortageInfrastructure Preparation
0 likes · 3 min read
JD.com R&D System 618 Preparation Launch Meeting
MaGe Linux Operations
MaGe Linux Operations
Mar 28, 2017 · Information Security

Hardening Linux Servers: Essential Security Configurations & Best Practices

This guide walks through comprehensive Linux server hardening techniques, covering user account management, service minimization, file permission tightening, virtual memory tuning, log handling, and firewall configuration with iptables and ipchains, providing step‑by‑step commands and screenshots to enhance system security and stability.

HardeningServer SecuritySystem Optimization
0 likes · 16 min read
Hardening Linux Servers: Essential Security Configurations & Best Practices
Meituan Technology Team
Meituan Technology Team
Sep 9, 2016 · Operations

Meituan Dianping Technology Salon

The Meituan Dianping Technology Salon gathered technical experts to discuss logistics architecture, LBS spatial search optimization, and real‑time platform development, highlighting Meituan’s growth from zero to millions of daily orders, high‑concurrency challenges, scalability, DevOps practices, and case studies from both established firms and startups.

O2O platformSupply ChainSystem Optimization
0 likes · 5 min read
Meituan Dianping Technology Salon
MaGe Linux Operations
MaGe Linux Operations
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Mastering Server Performance Tuning: A Practical 5W+1H Guide

This article provides a comprehensive, easy‑to‑understand overview of server performance tuning, covering what it is, why it matters, when to apply it, where to focus, who should be involved, and how to execute systematic optimization across hardware, operating system, and applications.

LinuxSystem Optimizationapplication tuning
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Mastering Server Performance Tuning: A Practical 5W+1H Guide
Qunar Tech Salon
Qunar Tech Salon
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Comprehensive Windows 7 and SSD Optimization Guide

This guide provides detailed steps and registry tweaks to optimize Windows 7 performance on SSDs, covering BIOS settings, SSD usage principles, disabling unnecessary services, disk space management, and system configuration commands to improve speed and reduce resource consumption.

Performance tuningRegistrySSD
0 likes · 8 min read
Comprehensive Windows 7 and SSD Optimization Guide