Tagged articles

126 articles

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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 testingKuaishoucausal inference

0 likes · 17 min read

How Kuaishou Uses Causal Inference to Optimize Live‑Streaming Experiments

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 testingKuaishoucausal inference

0 likes · 15 min read

Causal Inference and Experiment Design in Kuaishou Live Streaming

Big Data Technology Architecture

Jul 20, 2021 · Big Data

Apache Hudi Practice at Kuaishou: Solving Data Efficiency Challenges

This article details Kuaishou's adoption of Apache Hudi to address data scheduling, synchronization, and massive update inefficiencies, describing the pain points, evaluation of alternatives, architectural integration with Spark/Flink, implementation challenges, and the performance improvements achieved.

Apache HudiKuaishou

0 likes · 4 min read

Apache Hudi Practice at Kuaishou: Solving Data Efficiency Challenges

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

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.

Data PlatformHavokKuaishou

0 likes · 11 min read

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

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.

Big DataData AccelerationData Platform

0 likes · 12 min read

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

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

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.

Audio ProcessingDeep LearningKuaishou

0 likes · 10 min read

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

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

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.

Computer VisionGANKuaishou

0 likes · 15 min read

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

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.

Big DataHDFSKuaishou

0 likes · 12 min read

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

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

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.

Big DataKuaishouMetaStore

0 likes · 15 min read

Hive MetaStore Challenges and Optimizations at Kuaishou

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.

KuaishouReinforcement Learningmachine learning

0 likes · 21 min read

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

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

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.

AIKuaishoufounders

0 likes · 10 min read

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

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 FlinkBig DataKuaishou

0 likes · 16 min read

Apache Flink at Kuaishou: Past, Present, and Future

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.

IPOKuaishouTech Startup

0 likes · 12 min read

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

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.

Data LineageKuaishoumetadata

0 likes · 16 min read

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.

Big DataFlinkKuaishou

0 likes · 12 min read

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

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

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.

APMKuaishouMemory Management

0 likes · 9 min read

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

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.

Big DataFlinkKuaishou

0 likes · 15 min read

Tencent Cloud Developer

Apr 27, 2020 · Cloud Computing

High‑Throughput Cloud File Storage (CFS) Design for Kuaishou's Spring Festival Red‑Envelope Campaign

During Kuaishou's 2020 Spring Festival red‑envelope campaign, Tencent Cloud's Cloud File Storage (CFS) provided a high‑throughput, read‑heavy NFS solution that handled up to 5 GB/s across 1 700 pods, delivering 100% availability, low latency, and massive interaction volumes for billions of users.

CFSDistributed File SystemHigh Throughput

0 likes · 22 min read

High‑Throughput Cloud File Storage (CFS) Design for Kuaishou's Spring Festival Red‑Envelope Campaign

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.

Big DataCluster OptimizationDistributed Systems

0 likes · 16 min read

YARN Practice and Technical Evolution at Kuaishou

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.

Big DataFlinkKuaishou

0 likes · 2 min read

Flink Application Scenarios and Scale at Kuaishou