Tagged articles

Data Warehouse

632 articles · Page 7 of 7
360 Quality & Efficiency
360 Quality & Efficiency
Jun 28, 2018 · Big Data

An Introduction to Apache Hive: Architecture, Workflow, Storage, Advantages, and Comparison with Traditional Databases

This article provides a concise overview of Apache Hive, covering its definition, Hadoop background, architecture, query workflow, storage model, advantages, disadvantages, and a comparison with traditional relational databases, helping readers understand how Hive enables SQL-like queries on data stored in HDFS.

Data WarehouseHadoopHive
0 likes · 5 min read
An Introduction to Apache Hive: Architecture, Workflow, Storage, Advantages, and Comparison with Traditional Databases
Beike Product & Technology
Beike Product & Technology
Apr 26, 2018 · Big Data

Chain Home's OLAP Platform and Kylin Usage

This article details Chain Home's OLAP platform architecture and Kylin usage, covering the evolution from early ROLAP to MOLAP multi-dimensional engine, Kylin's basic principles, platform structure, application scenarios, usage specifications, capability extensions, and middleware development.

Apache KylinBig DataChain Home
0 likes · 11 min read
Chain Home's OLAP Platform and Kylin Usage
Qunar Tech Salon
Qunar Tech Salon
Apr 10, 2018 · Big Data

Design and Implementation of Meituan's Traffic Compass Data Warehouse for Hotel‑Travel Business

The article presents Meituan's Traffic Compass—a data‑warehouse‑driven traffic analysis platform for the hotel‑travel business—detailing its background, challenges, architectural layers, dimensional modeling, Kylin‑based query engine, configuration mechanisms, performance metrics, and future optimization plans.

Big DataData WarehouseKylin
0 likes · 14 min read
Design and Implementation of Meituan's Traffic Compass Data Warehouse for Hotel‑Travel Business
21CTO
21CTO
Apr 2, 2018 · Big Data

How to Build a Scalable Friend Recommendation System with MaxCompute

This article explains how to leverage Alibaba Cloud's MaxCompute and MapReduce to design, model, and deploy a large‑scale social friend recommendation system, covering data requirements, analysis models, cloud architecture, and practical development steps.

Data WarehouseFriend RecommendationMaxCompute
0 likes · 12 min read
How to Build a Scalable Friend Recommendation System with MaxCompute
Meituan Technology Team
Meituan Technology Team
Mar 22, 2018 · Big Data

DataMan: A Data Quality Governance Platform for Meituan's Big Data Ecosystem

Meituan’s DataMan platform provides a unified, closed‑loop data‑quality governance solution that collects demand, refines rules, executes monitoring across offline and real‑time jobs, tracks issues, and builds a knowledge base, improving completeness, accuracy, consistency, and timeliness while optimizing storage, reducing fault resolution time, and supporting data‑driven decisions.

Data GovernanceData WarehousePlatform
0 likes · 17 min read
DataMan: A Data Quality Governance Platform for Meituan's Big Data Ecosystem
DevOps
DevOps
Dec 14, 2017 · Databases

Introduction to TFS Data Warehouse and TFS Analysis Services with Excel Reporting

This guide explains how TFS stores its data in SQL Server, outlines the four core databases and the Analysis Services multidimensional warehouse, and provides step‑by‑step instructions for creating Excel‑based reports using the Tfs_Analysis cube and code churn metrics.

Analysis ServicesData WarehouseExcel Reporting
0 likes · 5 min read
Introduction to TFS Data Warehouse and TFS Analysis Services with Excel Reporting
Meituan Technology Team
Meituan Technology Team
Nov 2, 2017 · Big Data

Dashiang Cube: A Multi‑Source BI Reporting Tool with Custom Join Algorithms

Meituan‑Dianping’s Dashiang Cube is a multi‑source BI reporting platform that unifies MySQL, Kylin, Elasticsearch and plain‑text data via a common SQL layer, generates dialect‑specific queries, performs custom back‑tracking inner and left outer joins across heterogeneous sources, supports scripted metric calculations, permission controls, and a reusable UI component library for self‑service reporting.

BIData PermissionsData Warehouse
0 likes · 14 min read
Dashiang Cube: A Multi‑Source BI Reporting Tool with Custom Join Algorithms
ITPUB
ITPUB
Sep 30, 2017 · Big Data

Designing Scalable Open‑Source ETL Systems: Lessons from Baidu Waimai

This talk details Baidu Waimai's end‑to‑end ETL design, covering demand sources, data flow patterns, multi‑stage system evolution, storage choices, scheduling architecture, configuration‑driven processing, quality monitoring, and how data lineage enables transparent, self‑service data delivery.

Big DataData PipelineData Warehouse
0 likes · 25 min read
Designing Scalable Open‑Source ETL Systems: Lessons from Baidu Waimai
Qunar Tech Salon
Qunar Tech Salon
Sep 25, 2017 · Big Data

Comprehensive Guide to Spark Ecosystem: Data Warehouse, Machine Learning, Streaming, and Enterprise Use Cases

This article provides an extensive overview of Apache Spark’s ecosystem—including its data‑warehouse capabilities, ML/MLlib libraries, streaming with Spark Streaming, external frameworks, and real‑world enterprise case studies—while also noting a promotional announcement for a React Native conference.

Big DataData WarehouseHive
0 likes · 21 min read
Comprehensive Guide to Spark Ecosystem: Data Warehouse, Machine Learning, Streaming, and Enterprise Use Cases
dbaplus Community
dbaplus Community
Sep 24, 2017 · Databases

Why Splitting a Giant SQL Query Cut Report Time by 6 Seconds

In a high‑pressure performance‑optimization project, a team dissected a massive, multi‑with‑clause SQL report into smaller temporary‑table queries, applied dimensional modeling, and achieved a 6‑second runtime reduction while handling complex reporting requirements across regions, contractors, and milestones.

Data WarehouseQuery RefactoringSQL
0 likes · 10 min read
Why Splitting a Giant SQL Query Cut Report Time by 6 Seconds
StarRing Big Data Open Lab
StarRing Big Data Open Lab
Aug 25, 2017 · Big Data

How to Optimize OLAP Cubes with Rubik: Dimensional Reduction Strategies Explained

This article walks through Rubik's OLAP cube reduction techniques—including aggregation groups, required, combined, derived, hierarchical, and partial cubes—by designing and implementing buyers and suppliers cubes with six tables, demonstrating performance gains through pre‑computed queries and SQL examples.

CubeData WarehouseDimensional Reduction
0 likes · 10 min read
How to Optimize OLAP Cubes with Rubik: Dimensional Reduction Strategies Explained
dbaplus Community
dbaplus Community
Jul 16, 2017 · Big Data

How Vipshop Scaled Real‑Time OLAP: From GreenPlum to Presto, Kylin, and Redis

Vipshop faced massive data growth that broke traditional RDBMS, causing slow OLAP queries, inefficient ETL, and long development cycles, so it iteratively rebuilt its analytics stack—adding Hadoop/Hive, a self‑service UI, Presto, Kylin, and Redis—to achieve sub‑second query responses, higher concurrency, and a flexible, low‑latency BI solution.

Data WarehouseKylinReal-Time Analytics
0 likes · 23 min read
How Vipshop Scaled Real‑Time OLAP: From GreenPlum to Presto, Kylin, and Redis
MaGe Linux Operations
MaGe Linux Operations
May 31, 2017 · Big Data

Essential Skills for a Successful Data Career: From Big Data Platforms to AI

This article outlines the critical competencies needed across the data field—from building and maintaining big data platforms and data warehouses to mastering visualization, analysis, mining, and deep learning—offering practical guidance for aspiring data professionals seeking long‑term career growth.

Data EngineeringData Warehousecareer guide
0 likes · 15 min read
Essential Skills for a Successful Data Career: From Big Data Platforms to AI
Qunar Tech Salon
Qunar Tech Salon
Mar 12, 2017 · Big Data

Essential Skills and Career Paths for Data Professionals: From Big Data Platforms to AI

The article outlines the key competencies, responsibilities, and career development advice for data professionals across the entire data stack—from building big‑data platforms and data warehouses to visualization, analysis, algorithm engineering, and deep‑learning applications—emphasizing the importance of creating business value with data.

Big DataData AnalystData Engineering
0 likes · 15 min read
Essential Skills and Career Paths for Data Professionals: From Big Data Platforms to AI
ITPUB
ITPUB
Mar 9, 2017 · Databases

How to Optimize Data Warehouse Indexes for Faster Queries

This article explains practical strategies for indexing dimension and fact tables in a data warehouse, covering when to use clustered versus non‑clustered indexes, how to handle surrogate and business keys, partition considerations, and tips for evolving index designs as data grows.

Data WarehouseSQL Serverdimensional modeling
0 likes · 7 min read
How to Optimize Data Warehouse Indexes for Faster Queries
Ctrip Technology
Ctrip Technology
Mar 8, 2017 · Big Data

Essential Skills and Career Path for Data Professionals: From Big Data Platforms to AI Applications

This article outlines the key competencies and career roadmap for data professionals, covering big‑data infrastructure, data‑warehouse engineering, visualization, analysis, algorithmic mining, and deep‑learning, while emphasizing the importance of business sense, cloud adoption, and continuous learning.

Data AnalysisData EngineeringData Visualization
0 likes · 15 min read
Essential Skills and Career Path for Data Professionals: From Big Data Platforms to AI Applications
dbaplus Community
dbaplus Community
Jan 8, 2017 · Big Data

How to Build a Cost‑Effective Data Platform for Small‑to‑Medium Enterprises

This article explains why data platforms are essential for modern SMEs, defines what a data platform is, outlines a four‑step methodology (source definition, analysis theme, ETL processing, and reporting), and shares architectural choices, team structures, common pitfalls, and practical advice for rapid, iterative implementation.

Data WarehouseETLSME
0 likes · 15 min read
How to Build a Cost‑Effective Data Platform for Small‑to‑Medium Enterprises
Architecture Digest
Architecture Digest
Nov 6, 2016 · Big Data

Evolution of Taobao’s Big Data Platform: From RAC to MaxCompute

The article chronicles Taobao’s 13‑year evolution of its big data platform, detailing three phases—from a single‑node Oracle setup and the Tianwang scheduler, through a Hadoop‑based “Cloud Ladder 1” architecture with real‑time analytics, to the current MaxCompute/ODPS era with cross‑region projects and advanced data services.

Big DataData WarehouseHadoop
0 likes · 11 min read
Evolution of Taobao’s Big Data Platform: From RAC to MaxCompute
Java High-Performance Architecture
Java High-Performance Architecture
Oct 21, 2016 · Big Data

What Is Hive and How Does It Turn SQL into MapReduce?

This article explains Hive as a SQL‑based interface for Hadoop, shows why it simplifies large‑scale data analysis, provides practical command‑line examples for table creation, data loading, and queries, and details how HiveQL is internally converted into MapReduce jobs.

Data WarehouseHiveMapReduce
0 likes · 6 min read
What Is Hive and How Does It Turn SQL into MapReduce?
Ctrip Technology
Ctrip Technology
Aug 26, 2016 · Big Data

Exploring OLAP Engine with Apache Kylin: Architecture, Theory, and Practical Applications in Flight Ticket Big Data

This article presents a comprehensive overview of the Qdata session on OLAP engine exploration, detailing the limitations of traditional MySQL‑based solutions, the requirements for large‑scale analytics, the architecture and theoretical foundations of Apache Kylin, its cube construction process, storage in HBase, query rewriting, real‑world flight‑ticket data applications, and the encountered challenges with corresponding optimization practices.

Apache KylinCubeData Warehouse
0 likes · 7 min read
Exploring OLAP Engine with Apache Kylin: Architecture, Theory, and Practical Applications in Flight Ticket Big Data
ITPUB
ITPUB
Jul 19, 2016 · Big Data

From Traditional Data Warehouses to Big Data: Practical Techniques and Migration Insights

The talk shares hands‑on experiences and best‑practice methods for traditional data‑warehouse processing, public and behavioral data handling in big‑data environments, and practical guidance for migrating legacy warehouses to modern Hadoop‑based platforms, emphasizing data governance, security, and performance optimization.

Big DataData GovernanceData Warehouse
0 likes · 13 min read
From Traditional Data Warehouses to Big Data: Practical Techniques and Migration Insights
ITPUB
ITPUB
Jun 29, 2016 · Big Data

Why OLTP Falls Short for Big Data: OLAP, Hadoop & MPP Explained

The article explains how traditional OLTP systems cannot satisfy modern big‑data analytics needs and compares OLAP, Hadoop, and MPP architectures, highlighting their data processing models, scalability, cloud‑based managed services, and practical recommendations for building effective data warehouses.

Big DataData WarehouseHadoop
0 likes · 21 min read
Why OLTP Falls Short for Big Data: OLAP, Hadoop & MPP Explained
ITPUB
ITPUB
Jan 20, 2016 · Big Data

How Meizu Built an Agile Big Data Platform for Millions of Users

The Meizu Tech Open Day showcased the company's rapid evolution to a data‑driven mobile internet firm, detailing its DW1.0 and DW2.0 data‑warehouse architectures, recommendation pipelines, Spark adoption, and ELK‑based log analytics, while sharing practical lessons and future challenges.

Big DataData WarehouseELK
0 likes · 11 min read
How Meizu Built an Agile Big Data Platform for Millions of Users
Baidu Maps Tech Team
Baidu Maps Tech Team
Jan 6, 2016 · Big Data

How Baidu Maps Scales Billion‑Row OLAP Queries with Apache Kylin

Baidu Maps’ Data Intelligence team built a large‑scale OLAP platform using Apache Kylin, detailing the challenges of multi‑dimensional analysis on billions of rows, the architecture, custom extensions for task, resource, and monitoring management, and performance optimizations that achieve millisecond‑level SQL responses.

Apache KylinBig DataData Warehouse
0 likes · 21 min read
How Baidu Maps Scales Billion‑Row OLAP Queries with Apache Kylin
21CTO
21CTO
Dec 3, 2015 · Big Data

How Netflix Scales Its Hadoop Data Warehouse on AWS with Genie PaaS

This article explains how Netflix leverages Amazon S3 and Elastic MapReduce to build a virtually unlimited, dynamically scalable Hadoop data warehouse in the cloud, and introduces Genie—a Hadoop platform‑as‑a‑service that abstracts job submission, resource management, and cluster orchestration.

AWSData WarehouseElastic MapReduce
0 likes · 15 min read
How Netflix Scales Its Hadoop Data Warehouse on AWS with Genie PaaS
Architect
Architect
Dec 2, 2015 · Big Data

Designing an Agile Data Warehouse Architecture for Internet Companies

The article outlines a practical, end‑to‑end data platform architecture for internet businesses, covering data collection, storage and analysis, sharing, real‑time processing, task scheduling, and the importance of simplicity and agility in building an agile data warehouse.

Big DataData WarehouseHadoop
0 likes · 10 min read
Designing an Agile Data Warehouse Architecture for Internet Companies
21CTO
21CTO
Nov 4, 2015 · Big Data

Evolution of Dazhong Dianping’s Data Platform (2012‑2014): Key Lessons for Growing Big Data Teams

This article chronicles the step‑by‑step evolution of Dazhong Dianping’s data platform from 2012 to 2014, detailing changes in data models, storage and compute architecture, scheduling, monitoring, and data‑driven applications, offering practical insights for teams building early‑stage big‑data infrastructures.

Big Data ArchitectureData EngineeringData Warehouse
0 likes · 7 min read
Evolution of Dazhong Dianping’s Data Platform (2012‑2014): Key Lessons for Growing Big Data Teams
Architect
Architect
Oct 17, 2015 · Big Data

Designing an Agile Data Warehouse and Data Platform for Internet Companies

The article outlines the purposes, architecture, data ingestion, storage, analysis, sharing, application, real‑time processing, scheduling, monitoring, and best‑practice recommendations for building a fast, flexible, and reliable big‑data platform in the fast‑changing internet industry.

Big DataData IngestionData Warehouse
0 likes · 12 min read
Designing an Agile Data Warehouse and Data Platform for Internet Companies
ITPUB
ITPUB
Aug 28, 2014 · Databases

How Oracle DBAs Tackle Performance: Real‑World Stats Tuning and Career Insights

In this interview, veteran Oracle DBA Shi Yuedong shares his career journey, personal philosophy on opportunity, a hands‑on performance‑diagnosis case at Lenovo, experiments revealing Oracle 12.1's default statistics sampling rate, and thoughtful perspectives on big data versus data‑warehouse evolution.

DBAData WarehouseDatabase Performance
0 likes · 18 min read
How Oracle DBAs Tackle Performance: Real‑World Stats Tuning and Career Insights