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NetEase Smart Enterprise Tech+
NetEase Smart Enterprise Tech+
Oct 11, 2023 · Backend Development

Decoupling Audio‑Video Algorithms: AVProcessEngine Reduces RTC SDK Size & Improves Performance

The article explains how NetEase Cloud Communication’s AVProcessEngine framework separates audio‑video algorithms from the NERTC SDK, addressing SDK bloat and performance drops on low‑end devices by using plugin‑based processing, dynamic algorithm adjustment, and unified interfaces.

Audio ProcessingPerformance Optimizationplugin architecture
0 likes · 11 min read
Decoupling Audio‑Video Algorithms: AVProcessEngine Reduces RTC SDK Size & Improves Performance
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Oct 10, 2023 · Frontend Development

Deep Dive into LeaferJS: Architecture, Rendering Performance, Update Mechanism, and Event Picking

This article analyses the LeaferJS canvas rendering engine, covering its lightweight node creation, core architecture, rendering pipeline, partial‑render optimization, and event‑picking mechanism, while providing code examples and performance insights for front‑end developers.

Canvas RenderingFrontend DevelopmentJavaScript
0 likes · 14 min read
Deep Dive into LeaferJS: Architecture, Rendering Performance, Update Mechanism, and Event Picking
Top Architect
Top Architect
Oct 9, 2023 · Backend Development

Key Features of Spring Boot: Auto-Configuration, Starters, Embedded Server, Externalized Config, Actuator, DevTools, Testing, Ecosystem, Performance Optimization, and Continuous Learning

This article introduces Spring Boot’s core “magic” features—including auto‑configuration, starter dependencies, embedded servers, externalized configuration, Actuator, DevTools, testing support, ecosystem components, performance tips, and continuous learning—providing a comprehensive guide for building efficient Java backend applications.

JavaPerformance OptimizationSpring Boot
0 likes · 10 min read
Key Features of Spring Boot: Auto-Configuration, Starters, Embedded Server, Externalized Config, Actuator, DevTools, Testing, Ecosystem, Performance Optimization, and Continuous Learning
php Courses
php Courses
Oct 9, 2023 · Backend Development

PHP Performance Optimization and Caching Techniques

This article explains key PHP performance optimization strategies—including database query tuning, efficient coding practices, and various caching methods such as Redis and file‑based page caching—providing concrete code examples to improve response time and system stability.

Backend DevelopmentCachingFile Cache
0 likes · 6 min read
PHP Performance Optimization and Caching Techniques
MaGe Linux Operations
MaGe Linux Operations
Oct 8, 2023 · Big Data

Understanding Kafka: Core Concepts, Architecture, and Performance Secrets

This article explains Kafka’s fundamental role as a message system, detailing topics, partitions, producers, consumers, replica management, consumer groups, the controller, Zookeeper coordination, and performance optimizations such as sequential writes, zero‑copy, log segmentation, and network design, providing a comprehensive overview for big‑data practitioners.

Big DataDistributed SystemsKafka
0 likes · 11 min read
Understanding Kafka: Core Concepts, Architecture, and Performance Secrets
Practical DevOps Architecture
Practical DevOps Architecture
Oct 8, 2023 · Backend Development

Comprehensive RocketMQ Course: Source Code Deep Dive, Advanced Features, Performance Tuning, and Real‑World Projects

This course provides an in‑depth study of RocketMQ, covering its fundamentals, source‑code analysis, advanced features such as transactional and ordered messages, performance optimization, operational monitoring, and hands‑on projects that guide learners through installation, configuration, clustering, and integration with Spring Boot.

Backend DevelopmentDistributed SystemsMessage Queue
0 likes · 4 min read
Comprehensive RocketMQ Course: Source Code Deep Dive, Advanced Features, Performance Tuning, and Real‑World Projects
Java Captain
Java Captain
Oct 7, 2023 · Fundamentals

Understanding the Java Virtual Machine: Architecture, Operation, and Optimization Strategies

This article provides a comprehensive overview of the Java Virtual Machine, detailing its core components such as the interpreter, class loader, and runtime, explaining its execution workflow from source code to bytecode and native code, and presenting practical optimization techniques for memory, garbage collection, and performance.

Garbage CollectionJVMJava
0 likes · 6 min read
Understanding the Java Virtual Machine: Architecture, Operation, and Optimization Strategies
ITPUB
ITPUB
Oct 4, 2023 · Backend Development

How to Speed Up Slow Elasticsearch Aggregations with execution_hint "map"

In a high‑traffic e‑commerce system, sharding makes cross‑shop queries inefficient, and adding terms aggregations in Elasticsearch caused queries to take dozens of seconds, but using the "execution_hint":"map" option dramatically reduces aggregation latency.

Big DataElasticsearchPerformance Optimization
0 likes · 7 min read
How to Speed Up Slow Elasticsearch Aggregations with execution_hint "map"
Su San Talks Tech
Su San Talks Tech
Oct 1, 2023 · Backend Development

How to Efficiently Insert 300,000 Records with MyBatis and JDBC

This article demonstrates multiple approaches—including direct MyBatis batch, per‑row insertion, and JDBC batch processing—to insert 300,000 user records into a MySQL table, compares their performance, and provides practical optimization tips such as batch size tuning, waiting intervals, index handling, and connection‑pool configuration.

Batch InsertJDBCJava
0 likes · 12 min read
How to Efficiently Insert 300,000 Records with MyBatis and JDBC
ITPUB
ITPUB
Sep 29, 2023 · Big Data

How Vivo Scaled Hive Metastore Using TiDB: A Deep Dive into Big Data Metadata

This article recounts Vivo’s journey to horizontally scale its Hive Metastore service by evaluating MySQL sharding, the open‑source Waggle‑Dance gateway, and ultimately selecting TiDB, detailing the migration process, configuration tweaks, performance benchmarks, encountered issues such as primary‑key conflicts, index choices, memory spikes, and the solutions implemented to ensure stable, high‑performance metadata storage for massive data volumes.

Big DataHive MetastorePerformance Optimization
0 likes · 22 min read
How Vivo Scaled Hive Metastore Using TiDB: A Deep Dive into Big Data Metadata
Java Backend Technology
Java Backend Technology
Sep 27, 2023 · Backend Development

How I Reduced a 4‑Second Java API Call to 60ms with Arthas Tracing

This article details how the Helios scoring API, originally taking several seconds, was optimized to under 60 ms by analyzing Arthas traces, refactoring date handling, minimizing object creation, and improving list operations, ultimately revealing database access as the remaining bottleneck.

ArthasBackend DevelopmentJava
0 likes · 31 min read
How I Reduced a 4‑Second Java API Call to 60ms with Arthas Tracing
Baidu Geek Talk
Baidu Geek Talk
Sep 25, 2023 · Frontend Development

How Baidu’s New Mini‑Program Compiler Boosted Build Speed by Up to 7×

Baidu’s mini‑program compiler was completely rebuilt with a self‑designed architecture, multi‑threading, full‑process caching and sourcemap optimizations, delivering 2‑7× faster builds, lower memory usage and smaller output while keeping compatibility with the old system.

CompilerFrontendMini Program
0 likes · 19 min read
How Baidu’s New Mini‑Program Compiler Boosted Build Speed by Up to 7×
Alibaba Cloud Developer
Alibaba Cloud Developer
Sep 21, 2023 · Artificial Intelligence

How Vector Search Powers AI: From Embeddings to Real‑World Applications

This article explains how vector search converts unstructured data such as speech, images, video, and text into high‑dimensional embeddings, explores common algorithms like Brute‑Force, ANN, and HNSW, and presents optimization techniques that dramatically improve recall and query‑per‑second performance for large‑scale AI retrieval systems.

AIANNEmbedding
0 likes · 27 min read
How Vector Search Powers AI: From Embeddings to Real‑World Applications
JD Retail Technology
JD Retail Technology
Sep 18, 2023 · Databases

Deep Pagination in MySQL and Distributed Databases: Problems and VtDriver Optimizations

The article explains how large‑offset (deep) pagination in MySQL and distributed databases degrades performance and increases memory and bandwidth usage, and describes VtDriver's streaming and SQL‑rewrite techniques along with practical recommendations such as range queries and sub‑queries to mitigate these issues.

MySQLPerformance OptimizationSQL
0 likes · 7 min read
Deep Pagination in MySQL and Distributed Databases: Problems and VtDriver Optimizations
DataFunSummit
DataFunSummit
Sep 16, 2023 · Big Data

Kingsoft Cloud's Big Data Compute‑Storage Separation Practices and KS3‑HDFS Solution

This article presents Kingsoft Cloud's comprehensive practice on big data compute‑storage separation, detailing the challenges of modern data platforms, comparing HDFS with object storage, describing three separation modes, and explaining the architecture, core modules, performance optimizations, and advantages of the KS3‑HDFS solution.

Cloud ComputingCompute-Storage SeparationKS3-HDFS
0 likes · 21 min read
Kingsoft Cloud's Big Data Compute‑Storage Separation Practices and KS3‑HDFS Solution
iQIYI Technical Product Team
iQIYI Technical Product Team
Sep 15, 2023 · Big Data

Apache Spark at iQIYI: Current Status and Optimization

iQIYI now relies on Apache Spark as its main offline engine, processing over 200 000 daily tasks for ETL, data synchronization and analytics, while recent optimizations—dynamic resource allocation, adaptive query execution, compression, rebalance, Z‑order and resource‑governance—have cut compute usage by ~27 %, storage by up to 76 % and improved query speed, completing a large‑scale migration from Hive and paving the way for Spark 3.4 and Iceberg support.

Apache SparkPerformance OptimizationSQL Service
0 likes · 21 min read
Apache Spark at iQIYI: Current Status and Optimization
Open Source Linux
Open Source Linux
Sep 15, 2023 · Fundamentals

Why CPU Cache Matters: Understanding Cache Types and Optimizing Code

This article explains the purpose of CPU caches, describes the three cache levels and their internal structures—including direct‑mapped, set‑associative, and fully‑associative designs—and shows how cache‑aware programming can dramatically improve code performance.

CPU cacheFully AssociativeMemory Hierarchy
0 likes · 11 min read
Why CPU Cache Matters: Understanding Cache Types and Optimizing Code
Ctrip Technology
Ctrip Technology
Sep 14, 2023 · Backend Development

Trip.com Train Ticket Globalization Architecture Evolution and Practices

This article presents a comprehensive case study of Trip.com’s train ticket service global expansion, detailing the business background, challenges such as multi‑region deployment, performance, data compliance and scalability, and the step‑by‑step architectural evolution across region selection, network, data, infrastructure, and business layers to achieve a resilient, low‑latency, and compliant worldwide service.

Performance Optimizationbackenddata compliance
0 likes · 17 min read
Trip.com Train Ticket Globalization Architecture Evolution and Practices
Architecture Digest
Architecture Digest
Sep 11, 2023 · Backend Development

Optimizing Apache HttpClient for High-Concurrency Scenarios

This article details practical optimization techniques for Apache HttpClient—including connection pooling, keep-alive, singleton client usage, proper timeout settings, and asynchronous handling—to reduce average request latency from 250 ms to about 80 ms in a ten-million-calls-per-day service.

Backend DevelopmentConnection PoolingHttpClient
0 likes · 11 min read
Optimizing Apache HttpClient for High-Concurrency Scenarios
Liangxu Linux
Liangxu Linux
Sep 10, 2023 · Fundamentals

Why CPU Cache Matters: Understanding Cache Types and Optimizing Code Performance

This article explains the purpose of CPU caches, describes their hierarchical structure and internal organization—including direct‑mapped, set‑associative, and fully‑associative designs—and shows how cache‑aware programming can dramatically speed up matrix operations.

CPU cacheMemory AccessPerformance Optimization
0 likes · 12 min read
Why CPU Cache Matters: Understanding Cache Types and Optimizing Code Performance
Architects' Tech Alliance
Architects' Tech Alliance
Sep 9, 2023 · Industry Insights

Can NSLB Double AI Training Speed? Inside the 113% Performance Gain Over ECMP

The article analyzes AI‑training traffic patterns, critiques existing flow‑based, flowlet‑based, and packet‑based ECMP load‑balancing, introduces the NSLB solution tailored for AI clusters, and presents experimental results showing up to 113% speed improvement and sub‑millisecond failover with DPFF, while also discussing direct‑topology and intelligent lossless networking techniques.

AI trainingDPFFData Center
0 likes · 11 min read
Can NSLB Double AI Training Speed? Inside the 113% Performance Gain Over ECMP
Code Ape Tech Column
Code Ape Tech Column
Sep 8, 2023 · Backend Development

Design and Architecture of Ctrip’s High‑Performance API Gateway Handling 20 Billion Daily Requests

This article details Ctrip’s API gateway architecture, describing its evolution to handle 20 billion daily requests through fully asynchronous processing, streaming forwarding, single‑threaded event‑loop design, and various performance and governance optimizations, while also covering multi‑protocol compatibility, routing, and module orchestration.

Async DesignJavaNetty
0 likes · 19 min read
Design and Architecture of Ctrip’s High‑Performance API Gateway Handling 20 Billion Daily Requests
Laravel Tech Community
Laravel Tech Community
Aug 28, 2023 · Databases

Common MySQL Performance Issues and Their Optimization Techniques

This article examines frequent MySQL performance problems such as inefficient LIMIT usage, implicit type conversion, sub‑query updates, mixed sorting, EXISTS clauses, condition push‑down, early range reduction, and intermediate result handling, and provides concrete SQL rewrites and execution‑plan analyses to dramatically improve query speed.

MySQLPerformance OptimizationQuery Rewrite
0 likes · 13 min read
Common MySQL Performance Issues and Their Optimization Techniques
Kuaishou Tech
Kuaishou Tech
Aug 26, 2023 · Artificial Intelligence

PetPS: A Persistent‑Memory Parameter Server for Large‑Scale Embedding Models

PetPS introduces a persistent‑memory‑based parameter server that redesigns indexing with the PetHash hash table and offloads parameter aggregation to NIC Gathering, achieving up to 1.7× higher throughput and significantly lower latency for industrial‑scale embedding models in recommendation, search, and advertising workloads.

Parameter ServerPerformance OptimizationSystem Design
0 likes · 14 min read
PetPS: A Persistent‑Memory Parameter Server for Large‑Scale Embedding Models
StarRocks
StarRocks
Aug 22, 2023 · Databases

How StarRocks Query Cache Supercharges High‑Concurrency Aggregations

StarRocks introduces a Query Cache that stores intermediate aggregation results in memory, enabling reuse across semantically equivalent, partition‑overlapping, or append‑only queries, which can boost query performance by 3‑17× in high‑concurrency scenarios while reducing CPU and disk load.

MPP databasePerformance OptimizationStarRocks
0 likes · 13 min read
How StarRocks Query Cache Supercharges High‑Concurrency Aggregations
Selected Java Interview Questions
Selected Java Interview Questions
Aug 22, 2023 · Backend Development

Optimizing Startup Time of an Old Dubbo Service Using JProfile and Configuration Tweaks

This article details how a legacy Dubbo service built on Spring 3.2.x with many integrated components suffered a ten‑minute startup, and how using JProfile to pinpoint costly reflection checks, disabling unnecessary Spring annotations, and fixing RabbitMQ connection issues reduced the deployment time to under two minutes.

JProfileJavaPerformance Optimization
0 likes · 8 min read
Optimizing Startup Time of an Old Dubbo Service Using JProfile and Configuration Tweaks
Architect
Architect
Aug 19, 2023 · Databases

Deep Dive into MySQL Replication: Mechanisms, Performance, and Real‑World Optimizations

This article thoroughly examines MySQL replication, detailing binlog formats, event types, replication workflows, semi‑synchronous and parallel replication techniques, performance benchmarks, and practical implementation steps such as fake‑slave registration and connection‑pool enhancements, while illustrating each concept with concrete examples and code snippets.

MySQLPerformance OptimizationSemi‑Sync
0 likes · 30 min read
Deep Dive into MySQL Replication: Mechanisms, Performance, and Real‑World Optimizations
Ant R&D Efficiency
Ant R&D Efficiency
Aug 17, 2023 · Cloud Computing

How Ant Group’s FaaS Architecture Boosts Performance and Security

Ant Group’s FaaS platform redefines serverless computing by eliminating infrastructure overhead, offering rapid function deployment, high‑throughput low‑latency scheduling, robust security isolation, and cost‑effective scaling, while detailing its architectural components, performance optimizations, and future AI‑driven enhancements.

Cloud ComputingFaaSPerformance Optimization
0 likes · 21 min read
How Ant Group’s FaaS Architecture Boosts Performance and Security
Architect's Guide
Architect's Guide
Aug 16, 2023 · Backend Development

Inserting 300,000 Records into MySQL Using MyBatis and JDBC: Strategies and Performance Comparison

This article demonstrates how to insert 300,000 rows into a MySQL table using MyBatis and plain JDBC, compares direct batch insertion, per‑row insertion, and staged batch processing, and provides practical performance tips such as batch size, waiting intervals, index handling, and connection‑pool configuration.

Batch InsertJDBCJava
0 likes · 14 min read
Inserting 300,000 Records into MySQL Using MyBatis and JDBC: Strategies and Performance Comparison
JD Tech
JD Tech
Aug 15, 2023 · Backend Development

Comprehensive Guide to Java Performance Optimization: Code and Design Strategies

Performance optimization, crucial for user experience, reliability, and resource efficiency, is explored through code and design techniques—from CPU and JVM considerations to caching, preloading, false sharing mitigation, inlining, async processing, and lock granularity—providing practical examples and actionable insights for Java backend developers.

Backend DevelopmentCode OptimizationConcurrency
0 likes · 32 min read
Comprehensive Guide to Java Performance Optimization: Code and Design Strategies
Liangxu Linux
Liangxu Linux
Aug 13, 2023 · Fundamentals

How Zero‑Copy and Async I/O Supercharge Large File Transfers

The article explains why the naïve approach of reading a file into a small user‑space buffer and sending it piece‑by‑piece is inefficient, and how zero‑copy, PageCache, asynchronous I/O and direct I/O can dramatically reduce context switches, memory copies, and CPU usage for high‑throughput file transfers.

Direct I/OPerformance Optimizationasync I/O
0 likes · 12 min read
How Zero‑Copy and Async I/O Supercharge Large File Transfers
Java Architect Essentials
Java Architect Essentials
Aug 10, 2023 · Backend Development

Unlock Nginx Power: From Installation to High‑Performance Load Balancing and High Availability

This comprehensive guide walks you through the challenges of monolithic deployments, explains core Nginx concepts, shows step‑by‑step installation, configures reverse proxy, static‑dynamic separation, compression, buffering, caching, security features, SSL, high‑availability with keepalived, and essential performance tuning for production‑grade servers.

Performance Optimizationhigh availabilityload balancing
0 likes · 43 min read
Unlock Nginx Power: From Installation to High‑Performance Load Balancing and High Availability
Liangxu Linux
Liangxu Linux
Aug 9, 2023 · Fundamentals

How Zero‑Copy and PageCache Supercharge File Transfer Performance

This article explains why a naïve 32 KB‑chunk file transfer incurs excessive context switches and memory copies, and how zero‑copy, PageCache, asynchronous I/O, and direct I/O techniques dramatically reduce overhead and boost throughput for large‑scale data transfers.

Direct I/OPerformance Optimizationasync I/O
0 likes · 11 min read
How Zero‑Copy and PageCache Supercharge File Transfer Performance
Sohu Tech Products
Sohu Tech Products
Aug 9, 2023 · Mobile Development

Jetpack Compose Layout Optimization Best Practices

The article outlines six Jetpack Compose layout‑optimization best practices—using remember to cache calculations, supplying unique keys in Lazy layouts, applying derivedStateOf to throttle recomposition, skipping unnecessary composition/layout phases, avoiding backward state writes, and enabling release‑mode R8 profiling—to dramatically reduce redundant recompositions and improve UI performance.

Android DevelopmentJetpack ComposeLazyColumn
0 likes · 11 min read
Jetpack Compose Layout Optimization Best Practices
DeWu Technology
DeWu Technology
Aug 9, 2023 · Backend Development

Design and Performance Optimization of a Custom API Gateway

To overcome Spring Cloud Gateway’s memory leaks, slow O(N) routing and complex reactive code, the team built a custom, thread‑per‑core Netty gateway with in‑memory O(1) route lookup, DAG‑based filter chains and an asynchronous client, delivering four‑times higher throughput (≈45 k QPS), ~19 ms ART, no leaks, and far‑reduced latency.

JavaNettyPerformance Optimization
0 likes · 41 min read
Design and Performance Optimization of a Custom API Gateway
Zhuanzhuan Tech
Zhuanzhuan Tech
Aug 9, 2023 · Backend Development

Design and Implementation of a High‑Performance URL Shortening Platform

This article details the architecture, core algorithms, security measures, and performance optimizations of a URL shortener platform, covering hash functions, distributed ID generation, Base62 encoding, caching, database indexing, sharding, and monitoring to achieve efficient and secure link redirection.

CachingPerformance Optimizationbase62
0 likes · 11 min read
Design and Implementation of a High‑Performance URL Shortening Platform
Youzan Coder
Youzan Coder
Aug 8, 2023 · Big Data

Kylin4 Deployment and Performance Optimizations at Youzan

Since 2018 Youzan has migrated all online services to Kylin4, addressing long cube rebuilds, single‑point cache, CPU spikes, and throttling gaps by adding batch segment builds, low‑priority concurrency controls, Redis‑based query caching, parquet skew mitigation, range‑query acceleration, and class‑loader optimizations, which together doubled query‑per‑second capacity to 150, cut latency by up to 50 % and reduced CPU usage.

Big DataCubeKylin
0 likes · 17 min read
Kylin4 Deployment and Performance Optimizations at Youzan
Selected Java Interview Questions
Selected Java Interview Questions
Aug 8, 2023 · Big Data

Processing 10GB Age Data on a 4GB Memory Machine Using Java: Single‑Threaded and Multi‑Threaded Solutions

This article demonstrates how to generate, read, and analyze a 10 GB file of age statistics on a 4 GB RAM, 2‑core machine using Java, comparing a single‑threaded counting method with a producer‑consumer multi‑threaded approach that dramatically improves CPU utilization and reduces processing time.

Big DataJavaMemory Management
0 likes · 11 min read
Processing 10GB Age Data on a 4GB Memory Machine Using Java: Single‑Threaded and Multi‑Threaded Solutions
Open Source Linux
Open Source Linux
Aug 4, 2023 · Backend Development

Boost File Transfer Speed: Zero‑Copy, PageCache, Async & Direct I/O Explained

This article examines traditional file transfer methods, highlights their performance drawbacks caused by excessive context switches and memory copies, and explains how zero‑copy, PageCache, asynchronous I/O, and direct I/O can dramatically improve throughput and reduce CPU usage in backend systems.

Backend DevelopmentDirect I/OPerformance Optimization
0 likes · 12 min read
Boost File Transfer Speed: Zero‑Copy, PageCache, Async & Direct I/O Explained
Baidu Geek Talk
Baidu Geek Talk
Aug 2, 2023 · Cloud Native

Baidu Intelligent Cloud GPU Container Virtualization 2.0: Advancements and Full-Scenario Practices

Baidu Intelligent Cloud’s GPU Container Virtualization 2.0 combines user‑mode and kernel‑mode isolation in a dual‑engine design that unifies scheduling of AI compute, rendering and encoding, supports mixed deployment and multi‑scheduler integration, and boosts GPU utilization across inference, offline tasks, autonomous‑driving simulation, and cloud‑gaming workloads.

AI WorkloadsGPU virtualizationMulti Scheduler
0 likes · 14 min read
Baidu Intelligent Cloud GPU Container Virtualization 2.0: Advancements and Full-Scenario Practices
ByteDance SYS Tech
ByteDance SYS Tech
Aug 1, 2023 · Cloud Native

How ByteFUSE Revolutionizes High‑Performance Cloud‑Native Storage with FUSE and RDMA

ByteFUSE, a user‑space FUSE‑based solution for ByteNAS, delivers low‑latency, high‑throughput, POSIX‑compatible storage across AI training, database backup, and search services by replacing NFS with a cloud‑native architecture that leverages CSI, RDMA, and kernel‑module hot‑upgrade techniques.

Distributed File SystemFUSEKubernetes
0 likes · 19 min read
How ByteFUSE Revolutionizes High‑Performance Cloud‑Native Storage with FUSE and RDMA
Architect
Architect
Jul 29, 2023 · Backend Development

GraphQL Backend‑For‑Frontend Architecture and Optimization Practices

This article examines the challenges of using Backend‑For‑Frontend (BFF) in product display scenarios, proposes a metadata‑driven GraphQL architecture that separates data fetching and presentation logic, details design patterns, performance optimizations, and the impact on development processes, and shares practical experiences from Meituan.

Backend For FrontendGraphQLJava
0 likes · 35 min read
GraphQL Backend‑For‑Frontend Architecture and Optimization Practices
Java Backend Technology
Java Backend Technology
Jul 29, 2023 · Backend Development

Mastering Nginx: Installation, Load Balancing, Caching, SSL and High‑Availability Guide

This comprehensive guide walks you through installing Nginx, configuring reverse proxy, setting up load balancing, enabling static‑dynamic separation, resource compression, buffering, caching, IP whitelist/blacklist, cross‑origin support, anti‑hotlinking, large file handling, SSL certificates, high‑availability with Keepalived, and performance tuning tips for production environments.

CachingPerformance Optimizationload balancing
0 likes · 43 min read
Mastering Nginx: Installation, Load Balancing, Caching, SSL and High‑Availability Guide
DataFunSummit
DataFunSummit
Jul 27, 2023 · Backend Development

Building a High‑Availability ClickHouse Cluster with RaftKeeper

This article explains how RaftKeeper leverages the Raft consensus algorithm to create a high‑availability, high‑performance ClickHouse cluster across multiple data centers, covering project background, architecture, core features, performance optimizations, and real‑world deployment results.

Backend DevelopmentClickHouseCross-DataCenter
0 likes · 17 min read
Building a High‑Availability ClickHouse Cluster with RaftKeeper
Didi Tech
Didi Tech
Jul 27, 2023 · Backend Development

Improving Service Startup Latency with a Warmup Mechanism for Dubbo Services

To eliminate the brief latency spike that occurs when new Dubbo services start, the authors introduce a @Warmup annotation and early‑startup listeners that generate mock traffic and trigger a forced GC before publishing, cutting initial response times from seconds to tens of milliseconds and improving reliability for latency‑sensitive applications.

Backend PerformanceDubboJava
0 likes · 13 min read
Improving Service Startup Latency with a Warmup Mechanism for Dubbo Services
Alibaba Cloud Developer
Alibaba Cloud Developer
Jul 26, 2023 · Backend Development

How a New Cache Design Boosted Logistics Pricing QPS Five‑Fold

This article reviews the performance challenges of the logistics pricing engine, explains the limitations of the previous 1.0 optimizations, and details the design and implementation of a new 2.0 cache strategy using Tair and local caches, key‑value modeling, pre‑heating, updates, and bottleneck mitigation, achieving the required QPS.

CachingDistributed SystemsPerformance Optimization
0 likes · 19 min read
How a New Cache Design Boosted Logistics Pricing QPS Five‑Fold
MaGe Linux Operations
MaGe Linux Operations
Jul 21, 2023 · Operations

How Zero‑Copy, PageCache, and Async I/O Supercharge File Transfer Performance

File transfer can be dramatically accelerated by reducing context switches and memory copies, using techniques such as zero‑copy, leveraging PageCache, and employing asynchronous or direct I/O, which together cut system calls, lower CPU usage, and improve concurrency for large‑scale data delivery.

Direct I/OPerformance Optimizationasynchronous I/O
0 likes · 12 min read
How Zero‑Copy, PageCache, and Async I/O Supercharge File Transfer Performance
Tencent Cloud Developer
Tencent Cloud Developer
Jul 20, 2023 · Mobile Development

QQ Space Architecture Refactoring: A Case Study of Modernizing a 18-Year-Old Mobile App

The QQ Space team modernized their 18‑year‑old, 1.5‑million‑line mobile app by incrementally refactoring a tangled “primeval forest” architecture using the RFW‑Part and Section frameworks, layered design, and monitoring tools, cutting code size dramatically, boosting startup speed by over 50 % and improving FPS by nearly 5 %.

Android DevelopmentIncremental RefactoringPerformance Optimization
0 likes · 16 min read
QQ Space Architecture Refactoring: A Case Study of Modernizing a 18-Year-Old Mobile App
ITPUB
ITPUB
Jul 16, 2023 · Big Data

How WeChat Reduced Query Latency from 1000ms to 100ms in Its Multi‑Dimensional Monitoring Platform

This article explains how the WeChat multi‑dimensional monitoring platform, which processes billions of data points daily, identified performance bottlenecks in its Druid‑based data layer and applied sub‑query splitting, Redis caching, and sub‑dimension tables to achieve over 85% cache hit rate and bring average query time down to around 100 ms.

Big DataDruidPerformance Optimization
0 likes · 13 min read
How WeChat Reduced Query Latency from 1000ms to 100ms in Its Multi‑Dimensional Monitoring Platform
Ximalaya Technology Team
Ximalaya Technology Team
Jul 13, 2023 · Mobile Development

Ximalaya Live Streaming Instant-Start Optimization Practices

Ximalaya improves live‑stream start‑up by measuring first‑frame latency, optimizing push (dynamic bitrate, GOP caching) and pull (RTMP/HTTP‑FLV, HttpDNS, pre‑fetch URLs, progressive component loading, pre‑render SurfaceView, low‑buffer water‑level) across detailed pipeline stages, achieving over 90 % audio and 85 % video instant‑open rates while planning H.265 adoption.

HTTP-FLVPerformance OptimizationQoE
0 likes · 14 min read
Ximalaya Live Streaming Instant-Start Optimization Practices
Senior Tony
Senior Tony
Jul 12, 2023 · Databases

Master MySQL Step‑by‑Step: From Beginner to Expert

This guide outlines a five‑level learning path for MySQL, starting with installation and basic queries, progressing through proficient use, deep understanding of locks, indexes and transactions, advanced performance tuning, and finally product‑level redesign, while recommending essential books and resources.

Database DesignDatabase Learning PathMySQL
0 likes · 9 min read
Master MySQL Step‑by‑Step: From Beginner to Expert
Baidu App Technology
Baidu App Technology
Jul 10, 2023 · Mobile Development

Baidu App iOS Package Size Optimization: Code Optimization Techniques

The article explains how Baidu App reduces its iOS package size by analyzing Link Map files and applying six code‑optimization techniques—unused class and module slimming, unused method pruning with LLVM, duplicate‑code detection, utility‑method consolidation, and A/B‑test hardening—yielding up to 8 MB of savings.

AB testingLink MapMach-O
0 likes · 15 min read
Baidu App iOS Package Size Optimization: Code Optimization Techniques
Tencent Cloud Developer
Tencent Cloud Developer
Jul 6, 2023 · Cloud Computing

Hybrid vCPU: Tencent Cloud's Exploration of Virtualizing Heterogeneous CPU Architecture

Tencent Cloud’s Hybrid vCPU research, presented at KVM Forum 2023, outlines a three‑stage roadmap from homogeneous cores to mixed x86, ARM, and RISC‑V CPUs, detailing how virtualizing heterogeneous topologies, frequencies, caches, and PMU features can boost VM performance, security, live‑migration flexibility, and data‑center utilization.

Cloud ComputingHybrid CPUKVM
0 likes · 25 min read
Hybrid vCPU: Tencent Cloud's Exploration of Virtualizing Heterogeneous CPU Architecture
Top Architect
Top Architect
Jul 5, 2023 · Databases

Implementing Pagination and Multi‑Condition Fuzzy Query in Redis

This article explains how to achieve efficient pagination and multi‑condition fuzzy searches in Redis by leveraging Sorted Sets for ordered paging, Hashes with HSCAN for pattern matching, and combining both techniques with caching and expiration strategies to optimize performance.

CacheFuzzy QueryHash
0 likes · 9 min read
Implementing Pagination and Multi‑Condition Fuzzy Query in Redis
Baidu Geek Talk
Baidu Geek Talk
Jul 5, 2023 · Backend Development

How Baidu Wenku App Migrated Its Backend from PHP to Go: Lessons and Results

This article details Baidu Wenku App's backend migration from a PHP‑based stack to Go, covering the motivation, technical debt, technology selection, step‑by‑step migration strategy, quality assurance practices, performance improvements, and key takeaways for large‑scale service refactoring.

Backend DevelopmentGoPHP
0 likes · 17 min read
How Baidu Wenku App Migrated Its Backend from PHP to Go: Lessons and Results
HomeTech
HomeTech
Jul 4, 2023 · Backend Development

Design and Implementation of MetrAutoAPI: A Flexible Metric Automation Platform

This article presents the background, design, architecture, core functionalities, practical challenges, and solutions of MetrAutoAPI, a metric automation API that separates metric data from application layers, supports flexible SQL modeling, rule engine integration, and unified query services to meet evolving data demands.

APIMetric AutomationPerformance Optimization
0 likes · 11 min read
Design and Implementation of MetrAutoAPI: A Flexible Metric Automation Platform
Huolala Tech
Huolala Tech
Jul 4, 2023 · Frontend Development

How to Async Load Large Third‑Party Libraries in WeChat Mini‑Programs via Subpackages

This article explains how to overcome the 2 MB main‑package size limit in WeChat mini‑programs by asynchronously loading large third‑party libraries such as MQTT.js through subpackages, comparing subpackages with plugins, and providing practical Webpack and uni‑app solutions—including custom require handling, retry mechanisms, and performance gains.

Performance OptimizationSubpackageWeChat MiniProgram
0 likes · 14 min read
How to Async Load Large Third‑Party Libraries in WeChat Mini‑Programs via Subpackages
vivo Internet Technology
vivo Internet Technology
Jun 28, 2023 · Backend Development

Design and Implementation of Vivo's LuBan Distributed ID Service

The article explains distributed ID concepts and business scenarios, compares nine common generation schemes, and details Vivo’s LuBan service architecture—including three built‑in ID formats, custom SPI extensions, Spring‑Boot SDK usage, performance optimizations, and large‑scale deployment metrics—offering practical guidance for building high‑throughput, globally unique ID systems.

Backend ArchitectureID generationJava
0 likes · 16 min read
Design and Implementation of Vivo's LuBan Distributed ID Service
Architect
Architect
Jun 27, 2023 · Backend Development

Design and Implementation of an Outbox Redis Local Cache to Reduce Read Amplification

The article analyzes the high‑CPU pressure on the outbox Redis cluster caused by feed‑stream read amplification during hot events, proposes a local‑cache solution for hot UPs, details its design, consistency mechanisms, and shows that the optimization cuts peak CPU usage by over 40% while achieving more than 55% cache hit rate.

CacheOutboxPerformance Optimization
0 likes · 10 min read
Design and Implementation of an Outbox Redis Local Cache to Reduce Read Amplification
DaTaobao Tech
DaTaobao Tech
Jun 26, 2023 · Frontend Development

Taobao Store Framework: Architecture Evolution, Challenges, and Performance Optimizations

The fifth “Long‑termism Starts from Small Things” article details how Taobao’s mobile store framework evolved from a simple Weex page to a hybrid mini‑program architecture, consolidating serial requests into a unified entry, adding a native container and WebView co‑location, which cut start‑up latency by over 50 % on low‑end devices and boosted overall performance by roughly 20 %.

Frontend ArchitecturePerformance OptimizationStore Framework
0 likes · 12 min read
Taobao Store Framework: Architecture Evolution, Challenges, and Performance Optimizations
Open Source Linux
Open Source Linux
Jun 21, 2023 · Cloud Native

How Continuous Profiling with Pyroscope Supercharges Kubernetes Microservices

This article explains why traditional log‑based performance debugging is inefficient, introduces continuous profiling with the open‑source Pyroscope tool, and provides step‑by‑step instructions for installing Pyroscope on Kubernetes, integrating it with Python, .NET, and Go microservices, and visualizing low‑overhead flame graphs to optimize code and reduce cloud costs.

Continuous ProfilingKubernetesPerformance Optimization
0 likes · 11 min read
How Continuous Profiling with Pyroscope Supercharges Kubernetes Microservices
JD Tech
JD Tech
Jun 16, 2023 · Big Data

Comprehensive Introduction to Apache Kafka: Architecture, Features, and Best Practices

This article provides a detailed overview of Apache Kafka, covering its distributed streaming architecture, storage mechanisms, replication, consumer groups, compression techniques, exactly‑once semantics, configuration tips, and performance optimizations for building reliable high‑throughput data pipelines.

Big DataDistributed StreamingExactly-Once
0 likes · 19 min read
Comprehensive Introduction to Apache Kafka: Architecture, Features, and Best Practices
dbaplus Community
dbaplus Community
Jun 13, 2023 · Operations

How We Migrated a PB‑Scale Elasticsearch Cluster Across Data Centers Without Downtime

This article details the end‑to‑end migration of Qunar's massive Elasticsearch logging cluster from a saturated data‑center to a new facility, covering background constraints, migration planning, manual and automated node moves, performance tuning parameters, observed challenges, and the final zero‑downtime results.

AutomationCluster MigrationPerformance Optimization
0 likes · 20 min read
How We Migrated a PB‑Scale Elasticsearch Cluster Across Data Centers Without Downtime
Big Data Technology & Architecture
Big Data Technology & Architecture
Jun 13, 2023 · Big Data

Iceberg Data Lake Implementation and Optimization at iQIYI

This article details iQIYI's adoption of Iceberg for its data lake, covering the OLAP architecture, reasons for a data lake, Iceberg's table format advantages over Hive, platform construction, streaming ingestion, query and performance optimizations, real‑world business deployments, and future plans.

Big DataFlinkIceberg
0 likes · 21 min read
Iceberg Data Lake Implementation and Optimization at iQIYI
HelloTech
HelloTech
Jun 13, 2023 · Mobile Development

Wukong: A Native Dynamic Card Solution for Mobile Apps

Wukong is HelloBike’s native partial‑dynamic card engine that lets developers design once, preview instantly, and deploy cross‑platform UI and logic without full app releases, boosting development efficiency by up to 80% through Flexbox‑based layouts, lightweight JS engines, and comprehensive tooling.

Mobile DevelopmentNative UIPerformance Optimization
0 likes · 12 min read
Wukong: A Native Dynamic Card Solution for Mobile Apps
iQIYI Technical Product Team
iQIYI Technical Product Team
Jun 9, 2023 · Big Data

Accelerating iQIYI Big Data Platform: Migrating from Hive to Spark SQL

iQIYI accelerated its big‑data platform by migrating the OLAP layer from Hive to Spark SQL, achieving a 67 % speedup, 50 % CPU reduction and 44 % memory savings, while automating the conversion of tens of thousands of tasks and delivering faster analytics for advertising, BI, membership and user‑growth services.

Data MigrationHivePerformance Optimization
0 likes · 18 min read
Accelerating iQIYI Big Data Platform: Migrating from Hive to Spark SQL
JD Retail Technology
JD Retail Technology
Jun 7, 2023 · Backend Development

Performance Optimization: Code and Design Techniques for Java Services

This article explains service performance concepts and presents systematic code‑level and architectural optimizations for Java back‑ends, covering class preloading, thread‑pool usage, static variables, cache‑line alignment, false sharing mitigation, branch prediction, copy‑on‑write, method inlining, reflection caching, exception handling, logging practices, lock granularity, and pooling strategies, all illustrated with concrete code examples.

Backend DevelopmentCache AlignmentCode Optimization
0 likes · 33 min read
Performance Optimization: Code and Design Techniques for Java Services
DaTaobao Tech
DaTaobao Tech
Jun 7, 2023 · Backend Development

Taobao Open Platform Gateway Architecture Evolution

Taobao’s open platform gateway has evolved into a modular, decentralized system that uses full asynchronous processing, multi‑cluster deployment, token‑based authentication, and advanced metadata caching to boost scalability, security, and performance while protecting privacy and enabling efficient large‑scale reporting.

Cloud ComputingDecentralizationMetadata Caching
0 likes · 8 min read
Taobao Open Platform Gateway Architecture Evolution
Top Architect
Top Architect
Jun 5, 2023 · Backend Development

MyBatis Streaming Query: Concepts, Cursor API, Implementation, and Use Cases

This article introduces MyBatis streaming queries, explains the Cursor interface and its methods, provides step‑by‑step code examples for configuration and implementation, discusses practical application scenarios such as large‑scale data processing, and highlights important considerations for efficient and safe usage.

Backend DevelopmentCursorJava
0 likes · 11 min read
MyBatis Streaming Query: Concepts, Cursor API, Implementation, and Use Cases
dbaplus Community
dbaplus Community
Jun 4, 2023 · Databases

How to Build an End‑to‑End SQL Defense and Capacity Forecast System

This article summarizes a technical presentation on innovative database practices, covering a preventive SQL defense framework, full‑SQL analysis for deep observation, and capacity prediction through simulated traffic testing, with detailed methods, challenges, and future plans for multi‑cloud environments.

Database GovernanceIndex RecommendationPerformance Optimization
0 likes · 16 min read
How to Build an End‑to‑End SQL Defense and Capacity Forecast System
ITPUB
ITPUB
Jun 4, 2023 · Databases

When to Shard Databases and How to Do It Effectively

This article explains why database sharding is needed when performance bottlenecks appear, outlines the criteria and timing for adopting sharding, and provides detailed step‑by‑step guidance on both database‑level and table‑level partitioning, including common pitfalls and solutions.

ID generationPerformance Optimizationdatabase sharding
0 likes · 13 min read
When to Shard Databases and How to Do It Effectively
DataFunTalk
DataFunTalk
Jun 2, 2023 · Big Data

Iceberg Data Lake Implementation and Optimization at iQIYI

This article details iQIYI's adoption of the Iceberg data lake, covering its OLAP architecture, reasons for a lake, Iceberg table format advantages over Hive, platform construction, extensive performance optimizations, and real‑world business use cases such as ad‑flow unification, log analysis, audit, and CDC pipelines.

Big DataFlinkIceberg
0 likes · 18 min read
Iceberg Data Lake Implementation and Optimization at iQIYI
Qunar Tech Salon
Qunar Tech Salon
Jun 2, 2023 · Operations

Design and Implementation of a Distributed Tracing System at Qunar: Architecture, Technical Selection, and Performance Optimizations

This article describes the background, technology selection, architecture design, data flow, monitoring, logging, and trace collection mechanisms of Qunar's self‑built distributed tracing system, analyzes major performance problems such as Flume interruptions, Kafka bottlenecks, Flink back‑pressure, and presents concrete solutions including sliding‑window throttling, CGroup limits, and JavaAgent instrumentation, ultimately improving trace connectivity and system observability.

APMFlinkJavaAgent
0 likes · 18 min read
Design and Implementation of a Distributed Tracing System at Qunar: Architecture, Technical Selection, and Performance Optimizations
Alibaba Cloud Native
Alibaba Cloud Native
May 30, 2023 · Cloud Native

Uncovering the High‑Performance Secrets of Dubbo3 Triple Protocol

This article dives deep into Dubbo3's Triple protocol, explaining its design, identifying performance bottlenecks with tools like VisualVM and JFR, and presenting concrete code‑level optimizations—including async stream creation, lock‑contention fixes, thread‑pool tuning, and batch writes—that boost throughput by up to 45% in real‑world Alibaba workloads.

Cloud NativeJavaNetty
0 likes · 26 min read
Uncovering the High‑Performance Secrets of Dubbo3 Triple Protocol
Top Architect
Top Architect
May 29, 2023 · Databases

Large Table Splitting in MySQL: Challenges, Solutions, and Lessons Learned

Facing a 50‑million‑row financial transaction table, the team implemented horizontal sharding with sharding‑jdbc, designed migration and pagination strategies, tackled multi‑datasource transaction issues, and outlined a phased rollout, providing practical insights for large‑scale MySQL table splitting and backend system stability.

Data MigrationMySQLPerformance Optimization
0 likes · 11 min read
Large Table Splitting in MySQL: Challenges, Solutions, and Lessons Learned
Xiao Lou's Tech Notes
Xiao Lou's Tech Notes
May 29, 2023 · Backend Development

Why Is My Go Health‑Check So Slow? Diagnosing TCP Latency and GC Overhead

This article investigates why a Go‑based service health‑check system experiences high latency, examines differences from Nginx checks, runs experiments on physical machines and Docker, and explores goroutine scheduling, GOMAXPROCS, and garbage‑collection tuning to reduce average response time from 40 ms to under 10 ms.

DockerGarbage CollectionPerformance Optimization
0 likes · 10 min read
Why Is My Go Health‑Check So Slow? Diagnosing TCP Latency and GC Overhead
Su San Talks Tech
Su San Talks Tech
May 28, 2023 · Backend Development

Java 17 vs Java 8: New Features, Performance Boosts, and Code Samples

An in‑depth comparison of Java 17 and Java 8 highlights new language features such as sealed classes, pattern‑matching switch, records, enhanced garbage collectors, JIT improvements, and updated collection APIs, while providing performance insights and runnable code examples to help developers choose the right version for modern applications.

Code ExamplesJavaJava 8
0 likes · 13 min read
Java 17 vs Java 8: New Features, Performance Boosts, and Code Samples
MaGe Linux Operations
MaGe Linux Operations
May 27, 2023 · Operations

Boost Kubernetes Microservice Performance with Pyroscope Continuous Profiling

This guide explains how to use the open‑source Pyroscope continuous profiler on Kubernetes to collect, store, and visualize performance data from microservices written in Go, Python, .NET, and more, enabling developers to pinpoint bottlenecks, reduce CPU and memory usage, and lower cloud costs.

Continuous ProfilingKubernetesPerformance Optimization
0 likes · 10 min read
Boost Kubernetes Microservice Performance with Pyroscope Continuous Profiling
DataFunSummit
DataFunSummit
May 27, 2023 · Big Data

Building and Practicing the Performance Assurance System of YouShu BI

This article presents an in‑depth overview of the YouShu BI product, outlines the high‑concurrency performance challenges faced by enterprise BI, and details the multi‑layer performance architecture—including front‑end, back‑end, data engine, and data source layers—along with smart caching, MPP acceleration, materialized views, and the Data Doctor operations that together ensure low‑latency, reliable analytics for large‑scale users.

BIData PlatformMPP
0 likes · 16 min read
Building and Practicing the Performance Assurance System of YouShu BI
iQIYI Technical Product Team
iQIYI Technical Product Team
May 26, 2023 · Mobile Development

How We Cut Feed Lag in iQIYI Kids App: A Deep Dive into Mobile Performance Optimization

This case study details the performance bottlenecks of the iQIYI Kids feed on low‑end devices and presents a series of engineering solutions—including async card rendering, preloading strategies, image pre‑decoding, and cache optimizations—that reduced scroll hitch time to 1.4 ms, dramatically improving user experience.

ConcurrencyMobile DevelopmentPerformance Optimization
0 likes · 9 min read
How We Cut Feed Lag in iQIYI Kids App: A Deep Dive into Mobile Performance Optimization
Open Source Linux
Open Source Linux
May 26, 2023 · Operations

Boost Linux Performance with zSwap, zRAM, and Zstandard Compression

This article explains how Linux memory compression techniques such as zSwap, zRAM, and the Zstandard algorithm reduce I/O pressure, extend flash lifespan, and improve overall system performance, while also covering their drawbacks and step‑by‑step activation procedures.

LinuxMemory compressionPerformance Optimization
0 likes · 6 min read
Boost Linux Performance with zSwap, zRAM, and Zstandard Compression
JD Cloud Developers
JD Cloud Developers
May 24, 2023 · Backend Development

How JD.com’s Shopping Cart Gained 30% Faster Performance with Full Asynchronous Refactoring

This article explains how JD.com’s retail shopping‑cart team tackled growing business complexity by redesigning the cart with a full asynchronous architecture, detailing the overall solution, implementation challenges such as fine‑grained retries and monitoring, and the resulting performance gains.

AsynchronousPerformance OptimizationRPC
0 likes · 6 min read
How JD.com’s Shopping Cart Gained 30% Faster Performance with Full Asynchronous Refactoring
DataFunSummit
DataFunSummit
May 21, 2023 · Big Data

Blaze: Design and Practice of SparkSQL Native Operator Optimization at Kuaishou

This article presents Blaze, a Kuaishou‑built native execution middleware for SparkSQL that leverages Apache DataFusion to achieve vectorized operator execution, detailing its architecture, implementation, performance gains, current coverage, benchmark results, production rollout, and future development plans.

DataFusionNative ExecutionPerformance Optimization
0 likes · 17 min read
Blaze: Design and Practice of SparkSQL Native Operator Optimization at Kuaishou
WeChat Backend Team
WeChat Backend Team
May 17, 2023 · Big Data

Boosting Real-Time Recommendations: Apache Pulsar Optimizations at WeChat

This article details how WeChat's Gemini‑2.0 big‑data platform leverages Apache Pulsar, outlining cloud‑native advantages, load‑balancing refinements, cache and SSD tuning, high‑availability safeguards, and cost‑saving strategies that together enable large‑scale, real‑time, deep‑learning recommendation workloads.

Apache PulsarBig DataCloud Native
0 likes · 17 min read
Boosting Real-Time Recommendations: Apache Pulsar Optimizations at WeChat
StarRocks
StarRocks
May 16, 2023 · Databases

How StarRocks’ Compute‑Storage Separation Cuts Costs and Boosts Query Efficiency

This article explains how StarRocks’ new compute‑storage separation architecture reduces storage expenses and improves analytical performance by leveraging hot‑cold data segregation, elastic scaling, caching strategies, multi‑version storage, and optimized compaction, illustrated with real‑world log and e‑commerce workload examples.

Compute-Storage SeparationCost ReductionMPP database
0 likes · 18 min read
How StarRocks’ Compute‑Storage Separation Cuts Costs and Boosts Query Efficiency
Big Data Technology & Architecture
Big Data Technology & Architecture
May 11, 2023 · Big Data

Remote State Backend for Flink: Design, Optimization, and Deployment with Taishan KV Store

This article describes the motivation, challenges, design, and performance optimizations of a remote state backend for Flink that leverages Bilibili's Taishan distributed KV store to achieve storage‑compute separation, lighter checkpoints, faster rescaling, and improved resource utilization in large‑scale streaming jobs.

Big DataFlinkPerformance Optimization
0 likes · 20 min read
Remote State Backend for Flink: Design, Optimization, and Deployment with Taishan KV Store
Tencent Music Tech Team
Tencent Music Tech Team
May 9, 2023 · Mobile Development

Optimizing Animated Image Loading on iOS: Practices and Performance Comparison

The article explains how iOS’s lack of native GIF/WebP support leads to crashes when decoding all frames, and describes an optimized per‑frame loading component (QMAnimatedImageView) that uses CADisplayLink, NSCache, downsampling and memory‑limit tuning to dramatically reduce CPU, memory usage and jank while preserving smooth animation.

Animated ImagesMemory ManagementPerformance Optimization
0 likes · 22 min read
Optimizing Animated Image Loading on iOS: Practices and Performance Comparison
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
May 8, 2023 · Frontend Development

Performance Optimization and Code Quality Improvement for a Large Vue3 + Vite PC Web Application

This article details a systematic performance‑boost and maintenance‑cost reduction effort for a 230,000‑line Vue3 + Vite PC web project, covering page‑load analysis, bundle visualization, code‑duplication detection, cyclomatic‑complexity measurement, and concrete optimization steps such as on‑demand imports, manual chunking, gzip and image compression, and ESLint rules, resulting in a 52% faster load time and a 3.43 MB smaller bundle.

Bundle SplittingPerformance OptimizationVue
0 likes · 12 min read
Performance Optimization and Code Quality Improvement for a Large Vue3 + Vite PC Web Application