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DeWu Technology
DeWu Technology
Jul 5, 2024 · Databases

StarRocks 2.5.13 Cross-Cluster Upgrade and Data Migration Practices

The article outlines a cross‑cluster upgrade to StarRocks 2.5.13, evaluating resource and stability costs, and presents two migration schemes—using external tables and a Flink connector—along with planning, parallel execution, validation steps, and results showing successful migration of over 10 TB at 2 Gb/s across ten nodes, while noting future automation and CDC enhancements.

External TableFlinkSQL
0 likes · 15 min read
StarRocks 2.5.13 Cross-Cluster Upgrade and Data Migration Practices
Volcano Engine Developer Services
Volcano Engine Developer Services
Jul 3, 2024 · Backend Development

How We Scaled a Billion‑Item Search Engine with Elasticsearch: From Zero to One

This article details the practical journey of building and scaling an Elasticsearch‑based search system that supports tens of millions to billions of items, covering architecture design, capacity planning, multi‑data‑center deployment, data synchronization via RocketMQ and Flink, and multi‑layer reconciliation to ensure consistency and high QPS.

ElasticsearchFlinkRocketMQ
0 likes · 15 min read
How We Scaled a Billion‑Item Search Engine with Elasticsearch: From Zero to One
JD Cloud Developers
JD Cloud Developers
Jul 3, 2024 · Big Data

How to Build a High‑Availability Real‑Time Logistics Dashboard with Flink and ClickHouse

This article details the design and implementation of a high‑availability, real‑time logistics supply‑chain dashboard, covering Flink‑based data pipelines, ClickHouse OLAP storage, metric consistency, stability measures, extensible configuration, and comprehensive monitoring to ensure accurate, scalable performance during major promotions.

ClickHouseData PipelineFlink
0 likes · 9 min read
How to Build a High‑Availability Real‑Time Logistics Dashboard with Flink and ClickHouse
JD Tech Talk
JD Tech Talk
Jul 3, 2024 · Big Data

Real-time Monitoring Dashboard for Logistics Supply Chain: Architecture, Data Processing, and Stability Practices

This article describes the design and implementation of a high‑availability, real‑time logistics supply‑chain dashboard using Flink and ClickHouse, covering data processing pipelines, metric consistency, stability mechanisms, extensible configurations, and monitoring techniques to guide similar large‑screen projects.

ClickHouseData PipelineFlink
0 likes · 9 min read
Real-time Monitoring Dashboard for Logistics Supply Chain: Architecture, Data Processing, and Stability Practices
JD Tech
JD Tech
Jul 2, 2024 · Big Data

Real‑Time Monitoring Dashboard for Logistics Supply Chain: Architecture, Data Modeling, and Stability Design

This article presents the design and implementation of a high‑availability, real‑time logistics supply‑chain monitoring dashboard, covering its data processing pipeline with Flink, storage choices between Elasticsearch and ClickHouse, multi‑layer architecture, metric consistency, stability mechanisms, extensibility configurations, and monitoring practices.

ClickHouseData PipelineElasticsearch
0 likes · 11 min read
Real‑Time Monitoring Dashboard for Logistics Supply Chain: Architecture, Data Modeling, and Stability Design
DataFunSummit
DataFunSummit
Jul 1, 2024 · Big Data

Optimizing JD Retail Data Architecture: From Lambda to Real‑time Unified Processing with Flink, Hudi, and StarRocks

This article details JD Retail's transition from a complex Lambda architecture to a unified real‑time data pipeline using Flink, Hudi, and StarRocks, addressing data completeness versus latency, reducing maintenance costs, improving storage efficiency, and delivering faster, more consistent analytics for business users.

FlinkHudiJD Retail
0 likes · 13 min read
Optimizing JD Retail Data Architecture: From Lambda to Real‑time Unified Processing with Flink, Hudi, and StarRocks
WeiLi Technology Team
WeiLi Technology Team
Jun 28, 2024 · Big Data

How to Build a Robust Big Data Monitoring and Alerting System

This article explains why high‑availability design and comprehensive monitoring are essential for modern big‑data platforms, outlines a layered architecture, and provides practical guidance on health checks, alerting, and data‑quality monitoring across storage, compute, scheduling, and service layers.

ArchitectureFlinkHDFS
0 likes · 14 min read
How to Build a Robust Big Data Monitoring and Alerting System
DaTaobao Tech
DaTaobao Tech
Jun 21, 2024 · Big Data

Flink Real-Time Data Development: Cases on Data Skew, Watermark Failure, and GroupBy Issues

The article walks through three Flink streaming pitfalls—data‑skew‑induced back‑pressure, lost watermarks after interval joins, and ineffective group‑by causing duplicate rows—and shows how to resolve them with two‑stage distinct aggregation, hash‑based key distribution, processing‑time windows or split jobs, and mini‑batch buffering.

Data SkewFlinkOptimization
0 likes · 14 min read
Flink Real-Time Data Development: Cases on Data Skew, Watermark Failure, and GroupBy Issues
DataFunTalk
DataFunTalk
Jun 1, 2024 · Big Data

Ant Group's Real-Time Data Warehouse Architecture, Solutions, and Data Lake Outlook

This article presents Ant Group's recent explorations and practices in real-time data warehousing, covering the system architecture, streaming data quality assurance, flow‑batch integrated applications, and future data lake integration, while sharing technical details and operational insights for large‑scale data processing.

FlinkReal-time Datadata warehouse
0 likes · 16 min read
Ant Group's Real-Time Data Warehouse Architecture, Solutions, and Data Lake Outlook
DataFunSummit
DataFunSummit
May 27, 2024 · Big Data

Design and Optimization of Zhihu's Bridge Platform for DMP/CDP: Architecture, Challenges, and Solutions

This article presents a comprehensive case study of Zhihu's Bridge platform, detailing its background, five core modules, unified architecture built on Spark and Flink, bitmap‑based tagging, and performance optimizations that address query speed, write latency, and high‑QPS online checks while outlining future directions with Doris 2.0 and large language models.

CDPDMPFlink
0 likes · 27 min read
Design and Optimization of Zhihu's Bridge Platform for DMP/CDP: Architecture, Challenges, and Solutions
Big Data Technology & Architecture
Big Data Technology & Architecture
May 27, 2024 · Big Data

Athena Data Factory: A One‑Stop Data Development and Governance Platform – Architecture, Features, and Impact

The Athena Data Factory, built by Spark Thinking, is a comprehensive one‑stop data development and governance platform that integrates data integration, development, analysis, and services, offering offline, real‑time, and AI pipelines, modular architecture, extensive monitoring, and cost‑optimisation to empower thousands of users across the company.

AirflowCloud ComputingETL
0 likes · 26 min read
Athena Data Factory: A One‑Stop Data Development and Governance Platform – Architecture, Features, and Impact
DataFunTalk
DataFunTalk
May 26, 2024 · Big Data

Athena Data Factory: A One‑Stop Data Development and Governance Platform for Sparkle Thinking

The article details how Sparkle Thinking built the Athena Data Factory—a comprehensive, self‑service data development and governance platform that integrates data integration, ETL, real‑time processing, monitoring, and analytics, describing its architecture, key technologies, implementation timeline, operational practices, performance gains, and future directions.

AirflowETLFlink
0 likes · 26 min read
Athena Data Factory: A One‑Stop Data Development and Governance Platform for Sparkle Thinking
DataFunTalk
DataFunTalk
May 16, 2024 · Big Data

Streaming Data Lake Warehouse Solution Based on USDP with Flink and Paimon

This article presents UCloud's USDP‑based streaming data lake warehouse solution that leverages Flink for real‑time processing and Paimon for lake storage, detailing its architecture, advantages, practical scenarios, and providing complete SQL and Flink CDC code snippets for end‑to‑end implementation.

CDCData LakeFlink
0 likes · 27 min read
Streaming Data Lake Warehouse Solution Based on USDP with Flink and Paimon
Big Data Technology & Architecture
Big Data Technology & Architecture
May 13, 2024 · Big Data

Apache Paimon 0.8 Release: Deletion Vectors, File Index, Performance Boosts, and Flink/Spark Integration Enhancements

The article introduces Apache Paimon 0.8, highlighting new Deletion Vectors, a universal file index, memory and I/O optimizations, record‑level TTL, and integration improvements with Flink and Spark, while also discussing broader lake‑house performance trends and future directions.

Apache PaimonDeletion VectorsFlink
0 likes · 8 min read
Apache Paimon 0.8 Release: Deletion Vectors, File Index, Performance Boosts, and Flink/Spark Integration Enhancements
iQIYI Technical Product Team
iQIYI Technical Product Team
Apr 26, 2024 · Big Data

iQIYI Real-time Lakehouse: Stream‑Batch Unified Architecture

iQIYI replaced its costly Lambda architecture with a unified Iceberg‑based lakehouse that combines Flink streaming and batch processing, cutting data latency from hours to minutes, supporting thousands of tables via a multi‑table sink, guaranteeing completeness, and saving millions of RMB in operational costs.

Data LakeFlinkStream-Batch Integration
0 likes · 18 min read
iQIYI Real-time Lakehouse: Stream‑Batch Unified Architecture
DataFunSummit
DataFunSummit
Apr 25, 2024 · Big Data

Paimon Project Overview: Recent Developments, Core Capabilities, and Future Roadmap

This article presents a comprehensive overview of the Apache‑incubated Paimon project, covering its evolution from Flink Table Store, the current features of primary‑key and log tables, management tools such as snapshots, tags and branches, performance optimizations for Flink and Spark, and a detailed roadmap of upcoming functionalities.

FlinkLakehousePaimon
0 likes · 23 min read
Paimon Project Overview: Recent Developments, Core Capabilities, and Future Roadmap
21CTO
21CTO
Apr 22, 2024 · Big Data

Inside Uber’s Real‑Time Data Infrastructure: How They Scale Streaming at Massive Scale

This article explores Uber’s sophisticated real‑time data infrastructure, detailing how the company leverages open‑source technologies such as Apache Kafka, Flink, Pinot, and Presto, and describing the architectural components, scaling challenges, multi‑region resilience, data back‑filling, and operational practices that enable low‑latency analytics for millions of daily rides and deliveries.

FlinkKafkaPinot
0 likes · 25 min read
Inside Uber’s Real‑Time Data Infrastructure: How They Scale Streaming at Massive Scale
Bilibili Tech
Bilibili Tech
Apr 9, 2024 · Big Data

Optimizing Flink State Performance with RocksDB KV Separation and BlobDB

In large‑scale Flink double‑stream joins, terabyte‑sized RocksDB state caused severe compaction latency and CPU spikes, but enabling RocksDB BlobDB KV‑separation (and an inner‑compaction patch) dramatically shrank SST files, reduced read/write latencies to sub‑millisecond levels, and cut CPU spikes by about half.

FlinkKV SeparationPerformance Optimization
0 likes · 12 min read
Optimizing Flink State Performance with RocksDB KV Separation and BlobDB
DataFunSummit
DataFunSummit
Apr 7, 2024 · Big Data

Li Auto’s Flink on Kubernetes Data Integration Practice

This article presents Li Auto’s end‑to‑end data integration journey, detailing the evolution of its data platform, the challenges of heterogeneous sources, and how a unified Flink‑on‑K8s solution with cloud‑native architecture, operator management, monitoring, and checkpointing addresses batch‑stream convergence and future scalability.

Batch ProcessingData IntegrationFlink
0 likes · 12 min read
Li Auto’s Flink on Kubernetes Data Integration Practice
DataFunTalk
DataFunTalk
Mar 26, 2024 · Big Data

Building an Enterprise Real-Time Data Warehouse with Hologres and Flink at Cao Cao Mobility

This article presents a comprehensive case study of Cao Cao Mobility's transition from a traditional Lambda architecture to an enterprise‑grade real‑time data warehouse built on Hologres and Flink, detailing business background, pain points, architectural design, performance optimizations, metadata management, and future development directions.

FlinkHologresbig data
0 likes · 20 min read
Building an Enterprise Real-Time Data Warehouse with Hologres and Flink at Cao Cao Mobility
HelloTech
HelloTech
Mar 21, 2024 · Big Data

Streaming Prediction System Construction and Real‑time Feature Templatization

The article describes how a Flink‑based streaming prediction platform was built to flatten peak request loads, reduce latency and memory use, and improve stability by deduplicating SDK calls, incrementally loading Hive features, partitioned caching, and comprehensive monitoring, while a templating system automates feature definition, SQL generation and stress testing, enabling real‑time supply‑demand forecasting that outperforms offline methods.

AIFlinkKafka
0 likes · 8 min read
Streaming Prediction System Construction and Real‑time Feature Templatization
Didi Tech
Didi Tech
Mar 12, 2024 · Big Data

Understanding Flink Metrics System: Core Concepts, Elastic Design, and Practical Usage

The article explains Flink’s metrics architecture—core concepts, reporter interfaces, built‑in and custom metric types, elastic plugin design, and scheduled reporting—illustrated with a consumption‑latency example, and shows how Didi uses these metrics for real‑time UI curves, alerts, and intelligent task diagnosis.

FlinkStreamingbig data
0 likes · 11 min read
Understanding Flink Metrics System: Core Concepts, Elastic Design, and Practical Usage
Linux Code Review Hub
Linux Code Review Hub
Mar 11, 2024 · Databases

How Didi Built a Next‑Gen Log Storage System with ClickHouse

Didi migrated its massive PB‑scale log data from Elasticsearch to ClickHouse, redesigning storage with separate Log and Trace clusters, optimizing partition and sorting keys, introducing native TCP connectors, and revamping HDFS cold‑hot separation, achieving up to four‑fold query speed gains and 30% lower hardware costs.

ClickHouseFlinkHDFS
0 likes · 15 min read
How Didi Built a Next‑Gen Log Storage System with ClickHouse
Open Source Linux
Open Source Linux
Mar 11, 2024 · Big Data

Step‑by‑Step Guide to Deploying Flink on Standalone, Yarn, and Kubernetes

This tutorial explains how to install and configure Apache Flink in three deployment modes—Standalone, Hadoop YARN, and Kubernetes—covering node preparation, configuration files, package distribution, job submission, and monitoring through the Flink Web UI, with full command‑line examples and code snippets.

FlinkKubernetesStandalone
0 likes · 12 min read
Step‑by‑Step Guide to Deploying Flink on Standalone, Yarn, and Kubernetes
DataFunSummit
DataFunSummit
Mar 4, 2024 · Big Data

Near Real-Time Metric System Architecture for Dongchedi Used Car Business

This article introduces Dongchedi's near real‑time metric system architecture, covering business background, technical challenges, the unified storage‑compute and query service design using the Las lakehouse built on Apache Hudi, solutions to consistency issues, achieved results, and future plans for further real‑time improvements.

Apache HudiFlinkReal-time Analytics
0 likes · 13 min read
Near Real-Time Metric System Architecture for Dongchedi Used Car Business
Big Data Technology & Architecture
Big Data Technology & Architecture
Mar 4, 2024 · Big Data

Evolution of Flink State Storage and Compute‑Storage Separation Architecture

This article examines the evolution of Flink's state storage, discusses challenges posed by cloud‑native deployments, reviews recent community and Alibaba enhancements such as unaligned checkpoints, incremental snapshots, and the Gemini layered storage system, and proposes future directions for a compute‑storage separation architecture.

Distributed CheckpointFlinkGemini
0 likes · 18 min read
Evolution of Flink State Storage and Compute‑Storage Separation Architecture
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Mar 4, 2024 · Big Data

Integrating Data Lake Technologies with Data Warehouse Architecture at Xiaohongshu: Practices and Performance Optimizations

Xiaohongshu’s data‑warehouse team integrated Apache Iceberg‑based data‑lake techniques into its existing warehouse, replacing the legacy Hive/Spark stack with global sorting, Z‑order, and upsert‑enabled tables, which cut query latency by up to 90 %, boosted data freshness by 50 %, slashed storage costs by 83 % and saved tens of thousands of GB‑hours of compute daily.

Apache IcebergData LakeFlink
0 likes · 19 min read
Integrating Data Lake Technologies with Data Warehouse Architecture at Xiaohongshu: Practices and Performance Optimizations
Alibaba Cloud Big Data AI Platform
Alibaba Cloud Big Data AI Platform
Mar 1, 2024 · Big Data

Scaling U‑App Analytics to Billions of Events with Flink, MaxCompute & Hologres

UMeng+’s U‑App analytics platform processes nearly a trillion daily logs by combining real‑time Flink streams, offline MaxCompute batches, and Alibaba Cloud Hologres OLAP, employing multi‑engine architecture, smart sampling, and Roaring Bitmap techniques to deliver fast, cost‑effective, high‑concurrency user behavior and profiling analysis.

FlinkHologresMaxCompute
0 likes · 19 min read
Scaling U‑App Analytics to Billions of Events with Flink, MaxCompute & Hologres
DataFunTalk
DataFunTalk
Feb 27, 2024 · Big Data

Best Practices of Cloud‑Native OLAP Architecture and Logistics Warning at Jushuitan

This article presents Jushuitan's cloud‑native OLAP architecture, detailing its evolution, current big‑data stack—including DataWorks, MaxCompute, Flink, Hologres, and Aerospike—along with logistics warning workflows, rule‑matching mechanisms, real‑time processing challenges, and future scalability plans.

Cloud NativeFlinkHologres
0 likes · 20 min read
Best Practices of Cloud‑Native OLAP Architecture and Logistics Warning at Jushuitan
Alibaba Cloud Native
Alibaba Cloud Native
Feb 26, 2024 · Cloud Native

How to Structure Weakly Structured Logs with Flink SLS SPL

This guide explains how to use Alibaba Cloud's SLS connector and SPL expressions within Flink to clean, parse, and transform weakly structured log data into a structured table suitable for real‑time SQL analysis, covering sample logs, field extraction rules, and step‑by‑step configuration.

Data CleansingFlinkSLS
0 likes · 14 min read
How to Structure Weakly Structured Logs with Flink SLS SPL
DataFunTalk
DataFunTalk
Feb 22, 2024 · Big Data

Flink on Kubernetes: Kuaishou’s Practice, Migration, and Future Refactoring

This article details Kuaishou’s five‑year evolution of Flink, covering its background, production refactoring to Kubernetes, migration practices, and future improvements, highlighting architecture layers, resource management, observability, and testing strategies for large‑scale stream processing.

Cloud NativeFlinkKubernetes
0 likes · 12 min read
Flink on Kubernetes: Kuaishou’s Practice, Migration, and Future Refactoring
DataFunSummit
DataFunSummit
Feb 20, 2024 · Big Data

BitSail Open‑Source Data Integration Engine: Architecture, New Features, CDC Solutions and Future Outlook

This article introduces ByteDance's open‑source data integration engine BitSail, covering its background, layered architecture, recent feature enhancements, automated testing framework, CDC‑based full‑library synchronization solutions, and future development plans for connectors and real‑time data consistency.

CDCData IntegrationFlink
0 likes · 12 min read
BitSail Open‑Source Data Integration Engine: Architecture, New Features, CDC Solutions and Future Outlook
Big Data Technology & Architecture
Big Data Technology & Architecture
Feb 20, 2024 · Big Data

Understanding Stream‑Batch Integration in Modern Data Engineering

The article explains the rise, challenges, and practical approaches of the stream‑batch integration concept—originally popularized by the Flink community—highlighting why it struggles at large scale, how companies adopt Kappa‑style real‑time pipelines or unified storage‑compute engines, and its relevance in technical interviews.

FlinkKappa Architecture
0 likes · 6 min read
Understanding Stream‑Batch Integration in Modern Data Engineering
Alibaba Cloud Big Data AI Platform
Alibaba Cloud Big Data AI Platform
Feb 20, 2024 · Big Data

Feishu ShenNuo's Real-Time Data Warehouse with Flink, Hudi, and Hologres

Feishu ShenNuo redesigned its data architecture by integrating Flink, Hudi, and Hologres to create a cloud‑native real‑time data warehouse that supports both millisecond‑level ad monitoring and minute‑level game operations, offering scalable storage, low‑latency queries, and comprehensive monitoring and capacity planning.

FlinkHologresHudi
0 likes · 16 min read
Feishu ShenNuo's Real-Time Data Warehouse with Flink, Hudi, and Hologres
Big Data Technology & Architecture
Big Data Technology & Architecture
Feb 18, 2024 · Big Data

Understanding Apache Paimon Table Modes and Their Use Cases

Apache Paimon provides multiple table modes—including primary key tables with fixed or dynamic buckets, Append scalable and queue tables—each with specific configurations, compaction behavior, and suitable scenarios, and the article explains their structures, performance considerations, and how to use them with Flink.

Apache PaimonAppend TableBucket
0 likes · 12 min read
Understanding Apache Paimon Table Modes and Their Use Cases
DataFunSummit
DataFunSummit
Jan 25, 2024 · Big Data

Best Practices of Jushuitan Cloud‑Native OLAP Architecture and Logistics Warning

This article presents Jushuitan's cloud‑native OLAP architecture, covering business background, data‑warehouse evolution, real‑time processing with Flink, Hologres, and Aerospike, and detailed logistics‑warning use cases, followed by technical challenges, future outlook, and a Q&A on implementation details.

FlinkLogistics WarningOLAP
0 likes · 20 min read
Best Practices of Jushuitan Cloud‑Native OLAP Architecture and Logistics Warning
NetEase Cloud Music Tech Team
NetEase Cloud Music Tech Team
Jan 10, 2024 · Operations

Building Cloud Music's APM Metric Monitoring System Based on VictoriaMetrics

Cloud Music’s middleware team built the Pylon APM monitoring system on VictoriaMetrics, combining exporters, vmagent, Nacos, Flink‑based pre‑aggregation recording rules and vminsert for collection with Grafana, a custom Proxy and vmselect for querying, achieving millisecond‑level latency, metric‑trace correlation, stability improvements, and cost‑effective storage for nearly 700 million active time series.

APM monitoringFlinkMetric Pre-aggregation
0 likes · 12 min read
Building Cloud Music's APM Metric Monitoring System Based on VictoriaMetrics
Alibaba Cloud Big Data AI Platform
Alibaba Cloud Big Data AI Platform
Jan 10, 2024 · Big Data

CaoCao Mobility's Real‑Time Data Warehouse: Hologres + Flink

This article details how CaoCao Mobility transformed its ride‑hailing platform by replacing a traditional Lambda architecture with an enterprise‑grade real‑time data warehouse built on Hologres and Flink, covering business motivations, architectural design, component capabilities, performance optimizations, operational safeguards, and future roadmap.

FlinkHologresReal-time Data Warehouse
0 likes · 19 min read
CaoCao Mobility's Real‑Time Data Warehouse: Hologres + Flink
Sohu Tech Products
Sohu Tech Products
Dec 27, 2023 · Big Data

Practical Implementation of Data Integration with Flink on Kubernetes at Li Auto

Li Auto built a cloud‑native data‑integration platform by deploying Flink on Kubernetes, unifying batch and streaming workloads with a storage layer (JuiceFS + BOS) and Flink Operator, enabling simple source‑sink pipelines, elastic scaling, automated checkpointing, and centralized monitoring while addressing earlier fragmentation and resource inefficiencies.

Cloud NativeData IntegrationFlink
0 likes · 11 min read
Practical Implementation of Data Integration with Flink on Kubernetes at Li Auto
DataFunTalk
DataFunTalk
Dec 27, 2023 · Big Data

Amoro Mixed Hive: A Unified Lakehouse Solution for Real‑Time and Batch Data Processing

This article describes how NetEase Youdao replaced its Doris‑based real‑time data warehouse with Amoro Mixed Hive, detailing the architectural challenges, the Mixed Hive design, implementation steps, performance optimizations, community contributions, and future roadmap to achieve a unified lakehouse with minute‑level freshness and reduced development and operational costs.

AmoroFlinkHive
0 likes · 12 min read
Amoro Mixed Hive: A Unified Lakehouse Solution for Real‑Time and Batch Data Processing
DataFunTalk
DataFunTalk
Dec 22, 2023 · Big Data

Practical Implementation of Flink on Kubernetes for Data Integration at Li Auto

This article details Li Auto's end‑to‑end data integration practice using Flink on Kubernetes, covering the evolution of their integration platform, architectural design, cloud‑native deployment, operational challenges, and future roadmap, while highlighting unified batch‑stream processing and resource elasticity.

Batch ProcessingCloud NativeData Integration
0 likes · 12 min read
Practical Implementation of Flink on Kubernetes for Data Integration at Li Auto
DataFunSummit
DataFunSummit
Dec 17, 2023 · Big Data

Apache Kyuubi 1.8: New Features and Enhancements Overview

Apache Kyuubi 1.8 introduces a range of enhancements including multi‑tenant serverless SQL support on Spark and Flink, expanded batch and streaming capabilities, improved resource scheduling with database‑backed queues, stronger Kerberos/LDAP security, Flink YARN integration, and a new web UI for management.

Apache KyuubiFlinkSQL Gateway
0 likes · 13 min read
Apache Kyuubi 1.8: New Features and Enhancements Overview
dbaplus Community
dbaplus Community
Dec 14, 2023 · Big Data

How Flink Powers Unified Stream‑Batch Processing at Scale: Production Lessons

This article explains why Flink was chosen as a unified stream‑batch engine, details the migration from Lambda architecture, outlines the Flink Batch production workflow, and shares key optimizations such as Hive dialect support, CTAS, adaptive scheduling, speculative execution, and future roadmap for large‑scale data processing.

Adaptive SchedulerBatch ProcessingFlink
0 likes · 31 min read
How Flink Powers Unified Stream‑Batch Processing at Scale: Production Lessons
DataFunSummit
DataFunSummit
Dec 11, 2023 · Big Data

Design and Implementation of a Big Data Metadata Warehouse at Bilibili

This article presents Bilibili's big‑data metadata warehouse, covering its background, technology selection between data‑lake and data‑warehouse solutions, the architecture built on Prometheus, StarRocks, Flink and Routine Load, performance comparisons, diagnostic system design, and future development plans.

FlinkMetadata WarehouseStarRocks
0 likes · 20 min read
Design and Implementation of a Big Data Metadata Warehouse at Bilibili
dbaplus Community
dbaplus Community
Dec 10, 2023 · Big Data

How Bilibili Built a Remote State Backend for Flink Using Taishan KV Store

This article explains Bilibili's design and implementation of a remote state backend for Flink, detailing the motivations, pain points of the existing RocksDBStateBackend, the architecture of TaishanStateBackend, and the performance optimizations applied to achieve storage‑compute separation and faster rescaling.

FlinkRemote StorageState Backend
0 likes · 21 min read
How Bilibili Built a Remote State Backend for Flink Using Taishan KV Store
Big Data Technology & Architecture
Big Data Technology & Architecture
Dec 8, 2023 · Big Data

Comprehensive Guide to Apache Paimon and Advanced Flink Integration

This article provides an in‑depth overview of Apache Paimon as a streaming lakehouse, explains its core features, file layout, consistency guarantees, and offers detailed guidance on integrating and tuning Paimon with Apache Flink for both write and read performance, multi‑writer concurrency, table management, and bucket rescaling.

Apache PaimonData LakeFlink
0 likes · 23 min read
Comprehensive Guide to Apache Paimon and Advanced Flink Integration
ITPUB
ITPUB
Dec 2, 2023 · Backend Development

Why Did My Flink Kafka Job Lose Data? Uncovering Misconfigured Bootstrap Servers

A Flink job that reads from Kafka and writes to Elasticsearch was losing data because the bootstrap.servers list mixed production and pre‑release clusters, causing random server selection, partition discovery failures, and offset mismatches, which were resolved by correcting the server configuration.

Bootstrap ServersData lossFlink
0 likes · 8 min read
Why Did My Flink Kafka Job Lose Data? Uncovering Misconfigured Bootstrap Servers
DataFunTalk
DataFunTalk
Dec 2, 2023 · Big Data

Apache Celeborn: Overview, Architecture, Community, and Future Roadmap

This article introduces Apache Celeborn, explains the challenges of intermediate data in large‑scale compute engines, details its core architecture and design—including master, worker, lifecycle manager and shuffle client—covers its community history, version releases, performance comparisons with Spark ESS, real‑world deployment scenarios, and outlines future development plans.

Apache CelebornFlinkShuffle Service
0 likes · 14 min read
Apache Celeborn: Overview, Architecture, Community, and Future Roadmap
Big Data Technology Architecture
Big Data Technology Architecture
Nov 29, 2023 · Big Data

Building Real-Time Wide Tables with Partial-Update Using Apache Paimon for NetEase News Recommendation

The article describes how NetEase News' recommendation team replaced a slow, batch‑oriented data‑warehouse pipeline with a Flink‑based, Apache Paimon real‑time wide‑table solution that supports partial updates, reduces latency from hours to minutes, and lowers processing costs while handling both deduplication and non‑deduplication recommendation scenarios.

Apache PaimonData LakeFlink
0 likes · 8 min read
Building Real-Time Wide Tables with Partial-Update Using Apache Paimon for NetEase News Recommendation
Big Data Technology & Architecture
Big Data Technology & Architecture
Nov 28, 2023 · Big Data

Apache Paimon for CDC: Low‑Cost, Low‑Latency Data Lake Ingestion and Performance Comparison with Hive and Hudi

This article explains how Apache Paimon simplifies CDC data lake ingestion with one‑click, low‑cost, low‑latency pipelines, details its architecture and tag‑based Hive compatibility, provides best‑practice configurations, and presents benchmark results showing Paimon outperforming Hive and Hudi in both write and query performance.

Apache PaimonCDCData Lake
0 likes · 14 min read
Apache Paimon for CDC: Low‑Cost, Low‑Latency Data Lake Ingestion and Performance Comparison with Hive and Hudi
DataFunSummit
DataFunSummit
Nov 27, 2023 · Artificial Intelligence

Online Learning with Alink Model Flow: From Fundamentals to Model Flow 1.0 and 2.0

This article introduces Alibaba's Alink platform and its online learning capabilities, discusses common challenges in machine‑learning pipelines, explains Alink’s algorithm‑to‑application connection, various computation modes, usage methods, and details the evolution from Model Flow 1.0 to the more versatile Model Flow 2.0, including pipeline integration, incremental training, and embedding prediction services.

AlinkFlinkincremental training
0 likes · 9 min read
Online Learning with Alink Model Flow: From Fundamentals to Model Flow 1.0 and 2.0
Alibaba Cloud Big Data AI Platform
Alibaba Cloud Big Data AI Platform
Nov 23, 2023 · Big Data

Why Apache Paimon Is Revolutionizing Streaming Lakehouse Architecture with Flink

The article traces the shift from traditional Hive‑based warehouses to modern lakehouse architectures, explains the advantages of lake formats, introduces Apache Paimon as a streaming‑first data lake integrated with Flink, presents performance benchmarks showing its superiority over Hudi, and demonstrates a real‑time streaming lakehouse workflow.

Apache PaimonFlinkLakehouse
0 likes · 15 min read
Why Apache Paimon Is Revolutionizing Streaming Lakehouse Architecture with Flink
Volcano Engine Developer Services
Volcano Engine Developer Services
Nov 16, 2023 · Big Data

Why Replace Logstash with Flink? Boost Log Processing Performance and Reliability

This article examines the shortcomings of Logstash in log collection—data loss, poor performance, high troubleshooting cost, and lack of dynamic scaling—and demonstrates how migrating to Flink can provide at‑least‑once semantics, flexible error handling, high‑throughput low‑latency processing, automatic resource scaling, and advanced analytics within the ELK ecosystem.

Data StreamingELKFlink
0 likes · 9 min read
Why Replace Logstash with Flink? Boost Log Processing Performance and Reliability
Big Data Technology & Architecture
Big Data Technology & Architecture
Nov 10, 2023 · Big Data

MVP Learning Roadmap for Securing a Big Data Internship

This article offers a concise MVP learning plan for recent graduates aiming to secure a big‑data internship, covering essential computer fundamentals, core big‑data frameworks, project ideas, and algorithm/SQL practice, along with practical study tips and resource recommendations.

FlinkHadoopLearning Roadmap
0 likes · 8 min read
MVP Learning Roadmap for Securing a Big Data Internship
Qunar Tech Salon
Qunar Tech Salon
Nov 7, 2023 · Big Data

Building and Optimizing a Distributed Tracing System for Qunar Travel: APM Architecture, Performance Bottlenecks, and Solutions

This article details Qunar Travel's end‑to‑end design and optimization of a distributed tracing system within its APM platform, covering architecture choices, log‑collection and Kafka transmission bottlenecks, Flink task tuning, and the business value derived from trace and metric analysis.

APMFlinkPerformance Optimization
0 likes · 22 min read
Building and Optimizing a Distributed Tracing System for Qunar Travel: APM Architecture, Performance Bottlenecks, and Solutions
HelloTech
HelloTech
Oct 31, 2023 · Big Data

Investigation of Data Loss in a Flink Kafka Consumer Caused by Mixed Kafka Cluster Configuration

The data loss in a Flink‑Kafka job was caused by a mis‑configured bootstrap.servers list that mixed production and pre‑release Kafka clusters, leading different subtasks to connect to different clusters, resulting in inconsistent partition discovery and offset fetching, which omitted several partitions until the list was corrected.

Cluster ConfigurationData lossElasticsearch
0 likes · 8 min read
Investigation of Data Loss in a Flink Kafka Consumer Caused by Mixed Kafka Cluster Configuration
Big Data Technology & Architecture
Big Data Technology & Architecture
Oct 30, 2023 · Big Data

New Features in Flink 1.18: Operator-Level State TTL, Watermark Alignment, Idle Detection, and Dynamic Scaling

Flink 1.18 introduces several production‑critical enhancements, including per‑operator state TTL configuration, watermark alignment and idle‑timeout settings, as well as dynamic fine‑grained scaling of task parallelism via the Web UI and REST API, improving resource efficiency and job stability.

Dynamic ScalingFlinkState TTL
0 likes · 6 min read
New Features in Flink 1.18: Operator-Level State TTL, Watermark Alignment, Idle Detection, and Dynamic Scaling
DataFunTalk
DataFunTalk
Oct 28, 2023 · Big Data

Data Lake Architecture, Ingestion Options, Real-time Optimization, and Query Practices

This article presents a comprehensive overview of a unified data lake architecture, evaluates three ingestion solutions, details real‑time ingestion optimizations for Flink‑Hudi pipelines, and describes how Kyuubi enables unified query access across multiple engines, offering practical guidance for large‑scale data processing.

Data LakeFlinkHudi
0 likes · 14 min read
Data Lake Architecture, Ingestion Options, Real-time Optimization, and Query Practices
DataFunSummit
DataFunSummit
Oct 18, 2023 · Big Data

Kuaishou Data Lake Construction with Apache Hudi: Architecture, Challenges, and Solutions

This article explains why Kuaishou built a data lake, outlines the shortcomings of its previous Lambda architecture, describes the adoption of Apache Hudi for unified batch‑stream processing, and details the five major technical challenges and the corresponding solutions implemented to improve performance, consistency, and operational reliability.

Apache HudiData LakeFlink
0 likes · 17 min read
Kuaishou Data Lake Construction with Apache Hudi: Architecture, Challenges, and Solutions
DataFunSummit
DataFunSummit
Oct 13, 2023 · Big Data

Practical Experience of Flink on Kubernetes at Kuaishou

This article presents Kuaishou's comprehensive journey of adopting Flink on Kubernetes, covering its background, evolution, architecture, production migration, observability, testing, and future plans, and demonstrates how large‑scale streaming workloads are transformed to a cloud‑native environment.

FlinkKubernetesObservability
0 likes · 14 min read
Practical Experience of Flink on Kubernetes at Kuaishou
DataFunTalk
DataFunTalk
Oct 13, 2023 · Big Data

Design Principles, Architecture, and Applications of the Open‑Source LakeSoul Lakehouse Framework

This article provides a comprehensive technical overview of LakeSoul, an open‑source, cloud‑native lakehouse framework, covering its design philosophy, core features, architecture, performance benchmarks, real‑time ingestion, incremental computation, multi‑stream joining, security, community progress, and future roadmap.

FlinkLakeSoulReal-time Analytics
0 likes · 16 min read
Design Principles, Architecture, and Applications of the Open‑Source LakeSoul Lakehouse Framework
Data Thinking Notes
Data Thinking Notes
Oct 11, 2023 · Big Data

How ByteDance Optimized Its E‑Commerce Data Lake to Cut Costs and Boost Real‑Time Accuracy

ByteDance revamped its traditional Lambda architecture for e‑commerce traffic data by introducing a new lake ingestion solution that reduces development and operational costs, ensures timely and stable data, and outlines future plans covering business background, ODS lake design, archiving tags, delayed data handling, and real‑time stability.

Data LakeFlinkHudi
0 likes · 7 min read
How ByteDance Optimized Its E‑Commerce Data Lake to Cut Costs and Boost Real‑Time Accuracy
DataFunTalk
DataFunTalk
Oct 5, 2023 · Big Data

Building a Unified Streaming‑Batch Lakehouse with Amoro Mixed Iceberg

This article describes how Shanghai Steel Union leveraged Amoro Mixed Iceberg on top of Apache Iceberg to create a unified streaming‑batch lakehouse, addressing small‑file and upsert challenges, simplifying architecture, improving data freshness, and providing a scalable solution for real‑time and batch analytics.

AmoroApache IcebergFlink
0 likes · 13 min read
Building a Unified Streaming‑Batch Lakehouse with Amoro Mixed Iceberg
DataFunSummit
DataFunSummit
Oct 1, 2023 · Big Data

Iceberg Data Lake: Core Features, Xiaomi Use Cases, and Future Plans

This presentation introduces Iceberg's core capabilities, details Xiaomi's practical applications—including log ingestion, near‑real‑time warehousing, offline challenges, column‑level encryption, and Hive migration—and outlines future development directions such as materialized views and cloud migration, providing a comprehensive view of modern data‑lake engineering.

Data LakeFlinkSpark
0 likes · 22 min read
Iceberg Data Lake: Core Features, Xiaomi Use Cases, and Future Plans
DataFunSummit
DataFunSummit
Sep 28, 2023 · Big Data

Real‑time Risk Control Practices at NetEase Games Using Apache Flink

The article details NetEase Games' challenges in payment‑environment risk control and explains how they transformed a T+1 batch workflow into a fully real‑time risk‑control system with Apache Flink, describing the platform architecture, data modeling, session windows, joins, and future development plans.

Flinkbig datapayment security
0 likes · 19 min read
Real‑time Risk Control Practices at NetEase Games Using Apache Flink
iQIYI Technical Product Team
iQIYI Technical Product Team
Sep 22, 2023 · Big Data

Data Lake: Concepts, Architecture, and Application in iQIYI's Data Platform

iQIYI’s data‑middle‑platform team built a four‑zone data lake—raw, product, work, and sensitive—integrated with unified ODS/DWD/MID layers, a metadata catalog, and self‑service tools, leveraging HDFS, Hive/Iceberg, Spark/Trino, and Flink, migrated to Apache Iceberg for real‑time freshness, and now aims to further streamline modules and adopt new technologies.

Apache IcebergData LakeFlink
0 likes · 13 min read
Data Lake: Concepts, Architecture, and Application in iQIYI's Data Platform
DataFunTalk
DataFunTalk
Sep 13, 2023 · Big Data

Design and Implementation of a Lakehouse Data Platform Based on Apache Hudi at Taikang Life Insurance

This article details Taikang Life Insurance's end‑to‑end technical selection, architecture design, implementation, and custom enhancements of an Apache Hudi‑driven lakehouse platform for large‑scale health‑insurance data, covering background, component evaluation, performance benchmarking, multi‑layer architecture, and real‑world results.

Apache HudiFlinkbig data
0 likes · 44 min read
Design and Implementation of a Lakehouse Data Platform Based on Apache Hudi at Taikang Life Insurance
JD Retail Technology
JD Retail Technology
Sep 4, 2023 · Big Data

JD Mini Program Data Center: Architecture, Milestones, and Real‑time Analytics Solutions

The article details the JD Mini Program platform, its data‑center development milestones, comprehensive business panorama, technical architecture, data collection, storage, and analysis pipelines—including Flink‑based real‑time monitoring, ClickHouse custom analytics, and Elasticsearch user‑behavior insights—while outlining current challenges and future AI‑driven enhancements.

ClickHouseElasticsearchFlink
0 likes · 16 min read
JD Mini Program Data Center: Architecture, Milestones, and Real‑time Analytics Solutions
dbaplus Community
dbaplus Community
Sep 3, 2023 · Big Data

How NetEase Yanxuan Migrated from Lambda to Iceberg for Seamless Batch‑Stream Integration

This article explains how NetEase Yanxuan upgraded its legacy Lambda architecture to an Iceberg‑based batch‑stream unified platform, detailing the original data pipeline, the challenges faced, the evaluation of Iceberg versus Hudi and DeltaLake, and the concrete engineering optimizations and governance measures implemented to achieve lower latency and higher query performance.

Batch-Stream IntegrationFlinkSpark
0 likes · 14 min read
How NetEase Yanxuan Migrated from Lambda to Iceberg for Seamless Batch‑Stream Integration
DataFunTalk
DataFunTalk
Aug 28, 2023 · Big Data

Practical Experience of an E‑commerce Platform’s Offline and Real‑time Data Warehouse

This article shares the practical architecture, technology selection, implementation details, and evolution of an e‑commerce platform’s offline and real‑time data warehouses, covering data modeling, processing pipelines, system components such as Hive, Spark, Flink, ClickHouse, Doris, and Hudi, and the lessons learned from multiple production deployments.

ClickHouseDorisE‑commerce
0 likes · 18 min read
Practical Experience of an E‑commerce Platform’s Offline and Real‑time Data Warehouse
ITPUB
ITPUB
Aug 23, 2023 · Cloud Native

Build a Cloud‑Native Lakehouse on AWS with Apache Iceberg and Amoro

This guide explains the cloud‑native lakehouse concept, outlines its advantages and challenges, compares lake‑table projects such as Iceberg, and provides a step‑by‑step AWS deployment of Apache Iceberg and Amoro—including environment setup, AMS installation, catalog configuration, optimizer launch, data ingestion with Flink, and query verification with Spark.

AWSAmoroApache Iceberg
0 likes · 33 min read
Build a Cloud‑Native Lakehouse on AWS with Apache Iceberg and Amoro
JD Retail Technology
JD Retail Technology
Aug 21, 2023 · Artificial Intelligence

ChatGPT-4 Enhances Data Analysis Efficiency and Insight Across Big Data Scenarios

This article examines how ChatGPT-4, as an advanced natural‑language‑processing model, can streamline data analysis tasks—from generating Hive table definitions and sample data to crafting complex HiveSQL queries, visualizing results, and implementing ClickHouse and Flink solutions—thereby improving efficiency, insight, and problem‑solving in big‑data environments.

Artificial IntelligenceChatGPT-4ClickHouse
0 likes · 7 min read
ChatGPT-4 Enhances Data Analysis Efficiency and Insight Across Big Data Scenarios
DataFunTalk
DataFunTalk
Aug 21, 2023 · Databases

Case Study: Building a Real‑Time Log Data Analysis Platform with Apache Doris at China Unicom

This article describes how China Unicom’s Western Innovation Research Institute designed and deployed a centralized, real‑time log analytics platform using Apache Doris, detailing the migration from Hive and ClickHouse, performance optimizations, storage cost reductions, and the resulting improvements in data ingestion, query speed, and operational efficiency.

Apache DorisCold‑Hot Data ManagementFlink
0 likes · 18 min read
Case Study: Building a Real‑Time Log Data Analysis Platform with Apache Doris at China Unicom
DataFunSummit
DataFunSummit
Aug 5, 2023 · Big Data

Manbang Group's Real-Time Computing, Data Architecture, and Product Practices

Manbang Group shares its practical experiences and insights on real-time computing, multi‑cloud platform architecture, data warehousing with Flink and Holo, real‑time decision and feature platforms, and future plans for scaling these systems to support logistics and recommendation algorithms.

Cloud NativeFlinkHolo
0 likes · 16 min read
Manbang Group's Real-Time Computing, Data Architecture, and Product Practices
dbaplus Community
dbaplus Community
Jul 26, 2023 · Databases

Mastering ClickHouse with Flink: Table Engine Choices, Performance Tuning, and Real‑World Lessons

This article details how JDQ+Flink+Elasticsearch was extended with ClickHouse for real‑time reporting, covering table‑engine selection, Flink sink implementation, query optimization techniques, high‑CPU shard analysis, and practical strategies to ensure high concurrency and stable performance in production.

ClickHouseDistributedTablesFlink
0 likes · 46 min read
Mastering ClickHouse with Flink: Table Engine Choices, Performance Tuning, and Real‑World Lessons