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Kuaishou

142 articles · Page 2 of 2
Kuaishou Tech
Kuaishou Tech
Feb 24, 2022 · Artificial Intelligence

Causal Inference for Bias Mitigation in Kuaishou Recommendation Systems

This article presents a comprehensive overview of how causal inference techniques are applied to identify and correct various biases in Kuaishou's recommendation pipeline, covering background theory, recent research, practical implementations such as popularity debias, causal embedding decoupling, and video completion‑rate debias, along with experimental results and future challenges.

Bias MitigationCausal InferenceKuaishou
0 likes · 19 min read
Causal Inference for Bias Mitigation in Kuaishou Recommendation Systems
DataFunTalk
DataFunTalk
Feb 21, 2022 · Artificial Intelligence

Causal Inference for Bias Mitigation in Kuaishou Recommendation Systems

This talk explains how recommendation bias arises from popularity and position effects, introduces causal inference concepts and three inference levels, reviews recent research such as DICE and Huawei’s causal embedding, and details Kuaishou’s practical applications—including popularity debias, causal representation decoupling, and video completion‑rate debias—along with experimental results and future challenges.

Bias MitigationKuaishoumachine learning
0 likes · 20 min read
Causal Inference for Bias Mitigation in Kuaishou Recommendation Systems
DataFunTalk
DataFunTalk
Feb 13, 2022 · Big Data

How Kuaishou Built a Standardized Data Governance Evaluation System

This article outlines Kuaishou’s approach to establishing a standardized data governance evaluation framework, detailing the challenges of large‑scale data management, the design of assessment metrics across model, quality, and cost dimensions, and the practical strategies and operational mechanisms used to improve data asset health and business value.

Kuaishoubig dataevaluation framework
0 likes · 21 min read
How Kuaishou Built a Standardized Data Governance Evaluation System
DataFunTalk
DataFunTalk
Feb 10, 2022 · Artificial Intelligence

Evolution of Re‑ranking Techniques in Kuaishou Short‑Video Recommendation System

This article details the technical evolution of Kuaishou's short‑video recommendation pipeline, focusing on sequence re‑ranking, multi‑content mixing, and on‑device re‑ranking, and explains how transformer‑based models, generator‑evaluator frameworks, and reinforcement‑learning strategies are employed to maximize overall sequence value, user engagement, and revenue.

KuaishouOn-Device InferenceSequence Modeling
0 likes · 15 min read
Evolution of Re‑ranking Techniques in Kuaishou Short‑Video Recommendation System
Kuaishou Tech
Kuaishou Tech
Feb 9, 2022 · Mobile Development

Kuaishou Mobile Mixed Reality System: Architecture, Algorithms, and Applications

This article presents Kuaishou's mobile mixed reality (MR) system, detailing its integration of deep learning, SLAM, and scene reconstruction for real‑time spatial computing, the design of a monocular depth‑estimation model, a lightweight 3D rendering engine, and its deployment across iOS and Android devices with various user‑facing effects.

Depth EstimationKuaishouMobile AR
0 likes · 16 min read
Kuaishou Mobile Mixed Reality System: Architecture, Algorithms, and Applications
Kuaishou Tech
Kuaishou Tech
Feb 7, 2022 · Artificial Intelligence

Kuaishou Audio Team Wins ICASSP 2022 AEC Challenge Runner‑up and Publishes Two Deep Noise Suppression Papers

The Kuaishou audio team achieved a world‑runner‑up in the ICASSP 2022 Acoustic Echo Cancellation Challenge and had two deep noise suppression papers accepted, showcasing a hybrid traditional‑signal‑processing and deep‑learning system that excels in echo removal, noise reduction, and speech recognition across multiple real‑time communication scenarios.

Acoustic Echo CancellationArtificial IntelligenceDeep Noise Suppression
0 likes · 7 min read
Kuaishou Audio Team Wins ICASSP 2022 AEC Challenge Runner‑up and Publishes Two Deep Noise Suppression Papers
Kuaishou Tech
Kuaishou Tech
Jan 27, 2022 · Artificial Intelligence

Kuaishou’s Self‑Developed Green‑Screen Matting Algorithm and Its Deployment in Kuaiying, Live Companion, and Cloud Editing

This article explains the principles, challenges, and implementation details of Kuaishou’s proprietary green‑screen matting algorithm, covering fine‑detail handling, color‑spill reduction, green‑reflection removal, and its real‑time deployment across mobile video‑editing and live‑streaming products.

Kuaishoucomputer visiongreen screen
0 likes · 13 min read
Kuaishou’s Self‑Developed Green‑Screen Matting Algorithm and Its Deployment in Kuaiying, Live Companion, and Cloud Editing
Kuaishou Big Data
Kuaishou Big Data
Nov 26, 2021 · Big Data

How Kuaishou Built a Standardized Data Governance Evaluation System

This article explains Kuaishou's comprehensive approach to data governance, detailing the background challenges, a standardized evaluation framework, practical solutions for model, quality, and cost issues, scoring strategies, operational mechanisms, measurable benefits, and future plans for continuous improvement.

Kuaishoucost optimization
0 likes · 23 min read
How Kuaishou Built a Standardized Data Governance Evaluation System
Kuaishou Tech
Kuaishou Tech
Nov 26, 2021 · Artificial Intelligence

Kuaishou’s Special Short‑Video Transcoding Tier for Jackie Chan: Technical Overview and Quality Enhancements

Kuaishou’s audio‑video team built a dedicated high‑quality transcoding tier for Jackie Chan’s debut on the platform, deploying AI‑driven analysis, enhancement and compression techniques to deliver ultra‑clear short videos while keeping cost and latency low, and describing the end‑to‑end processing pipeline and trigger mechanisms.

AI AlgorithmsKuaishouquality enhancement
0 likes · 8 min read
Kuaishou’s Special Short‑Video Transcoding Tier for Jackie Chan: Technical Overview and Quality Enhancements
Kuaishou Audio & Video Technology
Kuaishou Audio & Video Technology
Nov 25, 2021 · Backend Development

How Kuaishou Delivered Ultra‑HD Video for Jackie Chan’s Short‑Video Debut

Kuashou’s audio‑video team built a custom short‑video transcoding tier that combines AI‑driven enhancement, aggressive compression and a specialized delivery strategy to meet billions of viewers’ high‑quality expectations for Jackie Chan’s debut, showcasing rapid cross‑team collaboration and advanced video processing techniques.

Kuaishoubackend engineeringmedia processing
0 likes · 8 min read
How Kuaishou Delivered Ultra‑HD Video for Jackie Chan’s Short‑Video Debut
Kuaishou Big Data
Kuaishou Big Data
Oct 28, 2021 · Big Data

How Kuaishou Cut Object Storage Costs by 50% with LRC Erasure Coding

Kuaishou reduced half of its massive object storage expenses by redesigning its architecture to use HBase indexing, HDFS large‑file storage, MemoryCache, and a cross‑IDC LRC erasure‑coding warm layer that maintains disaster‑recovery while dynamically moving data from hot to warm to cold tiers.

KuaishouLRCObject Storage
0 likes · 12 min read
How Kuaishou Cut Object Storage Costs by 50% with LRC Erasure Coding
Kuaishou Tech
Kuaishou Tech
Oct 28, 2021 · Artificial Intelligence

Kuaishou Showcases Multimedia Research at ACM MM2021 and Announces Strategic Collaboration with CCF‑MM Committee

At ACM MM2021 in Chengdu, Kuaishou presented two accepted papers on recommendation and outfit compatibility, won the Grand Challenge with its DAP congestion‑control system, and forged a strategic partnership with the CCF‑MM committee to deepen multimedia research collaboration across academia and industry.

ACM MM2021AI researchKuaishou
0 likes · 8 min read
Kuaishou Showcases Multimedia Research at ACM MM2021 and Announces Strategic Collaboration with CCF‑MM Committee
Java Architect Essentials
Java Architect Essentials
Sep 21, 2021 · Big Data

Interview on Kuaishou's Billion‑Scale Big Data Architecture Evolution and Practices

The interview with Kuaishou senior architect Zhao Jianbo details the three‑phase evolution of its trillion‑scale big data platform, covering foundational Hadoop services, real‑time and OLAP extensions, deep customizations, Spring Festival Gala challenges, scheduling innovations, Hadoop usage, and the relationship between big data and cloud architectures.

FlinkHadoopKafka
0 likes · 19 min read
Interview on Kuaishou's Billion‑Scale Big Data Architecture Evolution and Practices
Kuaishou Audio & Video Technology
Kuaishou Audio & Video Technology
Sep 10, 2021 · Artificial Intelligence

How Kuaishou Boosts Short‑Video Quality with AI‑Driven Encoding and Enhancement

This article explores Kuaishou’s server‑side video pipeline, detailing why videos are re‑encoded, how AI‑based enhancement (De‑Art, SR, Deblur) and perceptual encoding techniques (CAQ, CARDO) improve subjective quality, reduce bitrate, and lower processing costs, while presenting algorithmic logic and real‑world results.

AI enhancementKuaishouencoding optimization
0 likes · 8 min read
How Kuaishou Boosts Short‑Video Quality with AI‑Driven Encoding and Enhancement
DataFunTalk
DataFunTalk
Sep 8, 2021 · Product Management

Building Effective Data Metric Systems: Theory, Methodology, and Kuaishou Spring Festival Case Study

This article explains why a robust data metric system is essential for business decision‑making, defines the characteristics of a good metric system, introduces the OSM framework for constructing such systems, and illustrates the approach with Kuaishou's Spring Festival campaign, highlighting practical outcomes and lessons learned.

Business AnalyticsData MetricsKuaishou
0 likes · 21 min read
Building Effective Data Metric Systems: Theory, Methodology, and Kuaishou Spring Festival Case Study
DataFunSummit
DataFunSummit
Sep 5, 2021 · Artificial Intelligence

Causal Inference and Experiment Design in Kuaishou Live Streaming: Methods and Case Studies

This article explains how Kuaishou applies causal inference frameworks, such as Rubin's potential outcomes and Pearl's causal graphs, together with machine‑learning techniques like double‑machine learning, causal forests, and meta‑learners to evaluate product features, recommendation strategies, and user behavior under complex network effects in live streaming.

A/B testingCausal InferenceKuaishou
0 likes · 14 min read
Causal Inference and Experiment Design in Kuaishou Live Streaming: Methods and Case Studies
Kuaishou Tech
Kuaishou Tech
Aug 13, 2021 · Industry Insights

How Kuaishou Uses Causal Inference to Optimize Live‑Streaming Experiments

This article analyzes Kuaishou's live‑streaming ecosystem, detailing causal‑inference frameworks, observational and experimental techniques such as DID, double machine learning, causal forests, uplift meta‑learners, and complex experiment designs like dual‑sided and time‑slice rotation to evaluate product and recommendation strategies.

AB TestingCausal InferenceKuaishou
0 likes · 17 min read
How Kuaishou Uses Causal Inference to Optimize Live‑Streaming Experiments
DataFunTalk
DataFunTalk
Aug 12, 2021 · Artificial Intelligence

Causal Inference and Experiment Design in Kuaishou Live Streaming

This article presents Dr. Jin Yaran’s comprehensive overview of causal inference challenges, frameworks, and practical case studies—including DID, double machine learning, causal forests, and meta‑learners—applied to Kuaishou’s live‑streaming product, and discusses complex experimental designs such as bilateral and time‑slice experiments.

A/B testingCausal InferenceData Analysis
0 likes · 15 min read
Causal Inference and Experiment Design in Kuaishou Live Streaming
Kuaishou Tech
Kuaishou Tech
Jul 15, 2021 · Artificial Intelligence

Kuaishou Y-tech AI SDK Framework: Secrets Behind Mass Production of Special Effects

The article details Kuaishou's Y-tech AI SDK (YKit) architecture, covering its design for computer vision capabilities, performance optimization strategies for mobile devices, and real-world case studies such as GAN-based effects and intelligent matting, outlining challenges and future directions.

AI SDKGAN EffectsKuaishou
0 likes · 14 min read
Kuaishou Y-tech AI SDK Framework: Secrets Behind Mass Production of Special Effects
DataFunTalk
DataFunTalk
Jun 30, 2021 · Big Data

Kuaishou Havok Data Service Platform and Its High‑Availability Assurance System

The article introduces Kuaishou's Havok data‑service platform—a one‑stop, configuration‑driven solution that lowers development barriers—and details the comprehensive high‑availability architecture, including hierarchical isolation, elastic scaling, link grading, disaster recovery, and rate‑limiting mechanisms that enable zero‑failure support for large‑scale events.

HavokKuaishoudata platform
0 likes · 11 min read
Kuaishou Havok Data Service Platform and Its High‑Availability Assurance System
Architecture Digest
Architecture Digest
Jun 24, 2021 · Big Data

Kuaishou's Big Data Service Platform: Architecture, Key Technologies, and Future Outlook

This article introduces Kuaishou's data platform serviceification, outlining the background challenges for data engineers, the platform's architecture and key technologies such as configuration‑driven development, multi‑mode APIs, data acceleration, and high‑availability mechanisms, and concludes with a summary of achievements and future directions.

Data AccelerationKuaishoubig data
0 likes · 12 min read
Kuaishou's Big Data Service Platform: Architecture, Key Technologies, and Future Outlook
Kuaishou Tech
Kuaishou Tech
Jun 8, 2021 · Mobile Development

Flutter Audio-Video Practice and Optimization in Kuaishou

This article details Kuaishou's Flutter audio-video implementation, optimization practices, and engineering support, covering video playback via external textures, data communication strategies, FFI integration, and performance tuning.

FFIFlutterKuaishou
0 likes · 17 min read
Flutter Audio-Video Practice and Optimization in Kuaishou
Kuaishou Tech
Kuaishou Tech
May 17, 2021 · Industry Insights

How Kuaishou Delivered Real‑Time Deep‑Learning Voice Conversion on PC

Kuaishou becomes the first company to deploy a deep‑learning‑based real‑time voice‑conversion system on PC clients, delivering stable, natural‑sounding transformed speech with sub‑200 ms latency, and the article analyzes industry methods, technical challenges, and the four‑module architecture that made it possible.

Kuaishouaudio processingdeep learning
0 likes · 10 min read
How Kuaishou Delivered Real‑Time Deep‑Learning Voice Conversion on PC
Kuaishou Tech
Kuaishou Tech
Apr 30, 2021 · Artificial Intelligence

Kuaishou Audio‑Video Technology: Winning Echo Cancellation Techniques and Deep AEC

This article details Kuaishou's award‑winning acoustic echo cancellation (AEC) solutions, explains the physics of echo formation, reviews traditional linear and nonlinear AEC methods, and introduces their Deep AEC approach that combines cross‑network architecture and advanced loss functions to achieve superior performance in both single‑talk and double‑talk scenarios.

Acoustic EchoEcho CancellationInterspeech Challenge
0 likes · 8 min read
Kuaishou Audio‑Video Technology: Winning Echo Cancellation Techniques and Deep AEC
Kuaishou Large Model
Kuaishou Large Model
Apr 1, 2021 · Artificial Intelligence

How Kuaishou Y‑Tech Leverages GANs for Real‑Time Face Attribute Editing in Short Videos

This article details Kuaishou Y‑Tech's practical deployment of GAN‑based high‑precision face attribute editing—covering gender, age, hair, and expression transformations—for short‑video effects, discussing background, business applications, technical challenges, and solutions across data preparation, model training, and mobile deployment.

GaNKuaishouStyleGAN
0 likes · 15 min read
How Kuaishou Y‑Tech Leverages GANs for Real‑Time Face Attribute Editing in Short Videos
DataFunTalk
DataFunTalk
Mar 27, 2021 · Big Data

Kuaishou's HDFS Architecture, Scale, Challenges, and Practices

This article presents an in‑depth technical overview of Kuaishou's massive HDFS deployment, detailing its architecture, petabyte‑scale data and thousands‑of‑node clusters, the key scalability challenges faced, and the custom solutions—including FixedOrder, RBF balancer, observer read, slow‑node mitigation, and tiered protection—implemented to keep the system performant and reliable.

HDFSKuaishouPerformance Optimization
0 likes · 12 min read
Kuaishou's HDFS Architecture, Scale, Challenges, and Practices
Kuaishou Tech
Kuaishou Tech
Mar 18, 2021 · Artificial Intelligence

Hammer: An Integrated Hardware-Aware Model Compression Framework

Hammer is an integrated hardware-aware model compression tool developed by Kuaishou in collaboration with universities, combining pruning, quantization, search, and distillation to achieve efficient and accurate neural network models tailored to specific hardware.

AI FrameworkKuaishouNAS
0 likes · 9 min read
Hammer: An Integrated Hardware-Aware Model Compression Framework
DataFunTalk
DataFunTalk
Mar 10, 2021 · Big Data

Hive MetaStore Challenges and Optimizations at Kuaishou

At Kuaishou, the Hive MetaStore service, which stores metadata for Hive, faced scalability and performance challenges due to massive dynamic partitions and high query volume, leading to a series of architectural optimizations—including read‑write separation, API enhancements, traffic control, and federation—to improve stability and efficiency.

HiveKuaishouMetaStore
0 likes · 15 min read
Hive MetaStore Challenges and Optimizations at Kuaishou
DataFunTalk
DataFunTalk
Feb 24, 2021 · Artificial Intelligence

Multi‑Objective Ranking in Kuaishou Short‑Video Recommendation: System Design and Online Results

This article details Kuaishou's multi‑objective ranking pipeline for short‑video recommendation, covering manual score fusion, GBDT ensemble, Learn‑to‑Rank, online auto‑tuning, ensemble sorting, reinforcement‑learning rerank, and on‑device rerank, and reports their impact on DAU, watch time and user interaction.

Kuaishoumachine learningmulti-objective ranking
0 likes · 21 min read
Multi‑Objective Ranking in Kuaishou Short‑Video Recommendation: System Design and Online Results
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Feb 19, 2021 · R&D Management

The Rise of Kuaishou: From a GIF Tool to China’s Leading Short‑Video Empire

This article chronicles Kuaishou’s ten‑year journey from a humble GIF‑making app created by Cheng Yixiao, through its partnership with Su Hua, strategic pivots, IPO success and subsequent controversies, illustrating how focused product design and relentless R&D management built China’s premier short‑video platform.

ChinaEntrepreneurshipKuaishou
0 likes · 15 min read
The Rise of Kuaishou: From a GIF Tool to China’s Leading Short‑Video Empire
21CTO
21CTO
Feb 15, 2021 · R&D Management

How Two Engineers Built Kuaishou into a $1.6T Unicorn: A Founder’s Journey

This article chronicles how Kuaishou’s founders, from humble beginnings and early coding experiences, navigated careers at Google and Baidu, merged technical teams, leveraged AI-driven recommendation algorithms, and grew the short‑video platform into a multibillion‑dollar public company.

AIFoundersKuaishou
0 likes · 10 min read
How Two Engineers Built Kuaishou into a $1.6T Unicorn: A Founder’s Journey
DataFunTalk
DataFunTalk
Feb 12, 2021 · Big Data

Apache Flink at Kuaishou: Past, Present, and Future

Zhao Jianbo, head of Kuaishou's big data architecture team, presents an in‑depth overview of Apache Flink's adoption at Kuaishou, covering reasons for selection, development history, business data flows, technical innovations such as the Slimbase state engine, stability improvements, and future roadmap.

Apache FlinkKuaishouState Engine
0 likes · 16 min read
Apache Flink at Kuaishou: Past, Present, and Future
21CTO
21CTO
Feb 5, 2021 · Product Management

How Kuaishou Turned a GIF App into a $1.3T Hong Kong IPO

This article chronicles Kuaishou's evolution from a modest GIF‑sharing tool to a market‑leading short‑video platform that listed on the Hong Kong Stock Exchange with a valuation exceeding HK$1.3 trillion, highlighting its funding rounds, product strategy, competition with Douyin, and aggressive growth campaigns.

Growth StrategyIPOKuaishou
0 likes · 12 min read
How Kuaishou Turned a GIF App into a $1.3T Hong Kong IPO
DataFunTalk
DataFunTalk
Jan 21, 2021 · Big Data

Kuaishou Metadata Platform: Evolution, Architecture, and Application Scenarios

This article introduces the development history, current architecture, abstraction methods, and key application scenarios of Kuaishou's metadata platform, highlighting challenges such as heterogeneous data integration, large-scale asset management, and the platform's role in data search, lineage, governance, and future enhancements.

Kuaishoudata lineagemetadata
0 likes · 16 min read
Kuaishou Metadata Platform: Evolution, Architecture, and Application Scenarios
Architect
Architect
Jul 4, 2020 · Big Data

Kuaishou Flink Real‑Time Architecture and Spring Festival Gala Assurance Practices

This article details Kuaishou's Flink‑based real‑time computing architecture, its massive cluster scale, and the comprehensive strategies—including overload protection, system stability, pressure testing, and resource guarantees—implemented to ensure reliable streaming for the 2020 Spring Festival Gala and its real‑time dashboard.

FlinkKuaishouSpring Festival Gala
0 likes · 12 min read
Kuaishou Flink Real‑Time Architecture and Spring Festival Gala Assurance Practices
Big Data Technology Architecture
Big Data Technology Architecture
Jun 16, 2020 · Big Data

Real-time Multi-dimensional Analytics and SlimBase State Backend at Kuaishou: Flink Applications and Optimizations

This article describes how Kuaishou leverages Apache Flink for large‑scale real‑time multi‑dimensional analytics, details the architecture of its analytics platform using Kudu storage and KwaiBI, and introduces SlimBase—a lightweight, embedded shared state backend that replaces RocksDB to reduce I/O, latency, and CPU overhead.

FlinkKuaishouKudu
0 likes · 17 min read
Real-time Multi-dimensional Analytics and SlimBase State Backend at Kuaishou: Flink Applications and Optimizations
Laravel Tech Community
Laravel Tech Community
Jun 16, 2020 · Mobile Development

Kuaishou’s APM Platform and Mobile Performance Optimization: Insights from Yang Kai

In a mobile‑first world where limited device resources and unstable networks threaten user retention, Kuaishou’s performance team built an APM monitoring platform and applied systematic memory, startup, and jank optimizations that cut startup time by 40%, reduced package size by 23 MB, and significantly improved key product metrics.

APMKuaishouMobile App
0 likes · 9 min read
Kuaishou’s APM Platform and Mobile Performance Optimization: Insights from Yang Kai
DataFunTalk
DataFunTalk
Jun 11, 2020 · Big Data

Real-time Multi-dimensional Analytics and SlimBase State Backend at Kuaishou: Flink Applications and Optimizations

This article presents Kuaishou's extensive use of Apache Flink for real-time multi-dimensional analytics, detailing the platform's architecture, cluster scale, data processing pipelines, the design of a shared state storage engine called SlimBase, and performance improvements achieved through replacing RocksDB with a customized HBase‑based solution.

FlinkKuaishouReal-time Analytics
0 likes · 15 min read
Real-time Multi-dimensional Analytics and SlimBase State Backend at Kuaishou: Flink Applications and Optimizations
Tencent Cloud Developer
Tencent Cloud Developer
Sep 11, 2019 · Big Data

YARN Practice and Technical Evolution at Kuaishou

Jiaoxiao Fang’s talk details Kuaishou’s YARN deployment, covering its architecture, support for offline, real‑time and ML workloads, and recent enhancements such as event‑handling stability, refined preemption, high‑throughput parallel scheduling, shuffle‑caching for small I/O, plus plans for job protection and multi‑cluster resource utilization.

Cluster OptimizationHadoopKuaishou
0 likes · 16 min read
YARN Practice and Technical Evolution at Kuaishou
Big Data Technology & Architecture
Big Data Technology & Architecture
Aug 18, 2019 · Big Data

Flink Application Scenarios and Scale at Kuaishou

The article details how Kuaishou leverages Apache Flink for large‑scale stream processing, describing its application scenarios, cluster sizing, interval join optimization, RocksDB performance challenges, source throttling strategies, JobManager stability, frequent job failures, and platform‑wide improvements.

FlinkKuaishouPerformance Optimization
0 likes · 2 min read
Flink Application Scenarios and Scale at Kuaishou