Tagged articles

Spark

648 articles · Page 7 of 7
Hulu Beijing
Hulu Beijing
Nov 29, 2016 · Big Data

How Hulu’s Segmentation System Powers Big Data Marketing at Scale

At the 2016 WOT Big Data Technology Summit, Hulu’s senior R&D manager Zhao Kunliang presented the company’s Segmentation system, detailing its Hadoop‑based architecture, Spark and Spark Streaming processing, the custom Nesto query engine, and the challenges and innovations involved in supporting large‑scale marketing and advertising analytics.

HadoopNestoSegmentation system
0 likes · 5 min read
How Hulu’s Segmentation System Powers Big Data Marketing at Scale
StarRing Big Data Open Lab
StarRing Big Data Open Lab
Nov 11, 2016 · Big Data

Why SQL Still Rules Big Data—and How NoSQL & NewSQL Fit In

The article explores the evolution of data processing from Hadoop and Spark to modern SQL, NoSQL, and NewSQL solutions, comparing their architectures, performance trade‑offs, and use‑cases, while illustrating concepts with examples like MapReduce, Hive, Impala, and streaming platforms such as Storm.

HadoopNewSQLNoSQL
0 likes · 14 min read
Why SQL Still Rules Big Data—and How NoSQL & NewSQL Fit In
StarRing Big Data Open Lab
StarRing Big Data Open Lab
Oct 8, 2016 · Big Data

Evolving Data Warehouses with Hadoop & Spark: Core Technologies

Data warehouses centralize and transform enterprise data for multidimensional analysis, and modern demands have spawned four types—traditional, real‑time, associative discovery, and data marts—each with distinct technical requirements, while Hadoop‑based solutions like Transwarp Data Hub address challenges of scale, variety, latency, and security.

Distributed ComputingHadoopReal-time Analytics
0 likes · 21 min read
Evolving Data Warehouses with Hadoop & Spark: Core Technologies
Ctrip Technology
Ctrip Technology
Aug 19, 2016 · Big Data

Ctrip's Big Data Architecture and Personalized Recommendation System

This article describes how Ctrip transformed its traditional application architecture into a high‑concurrency, big‑data‑driven platform, detailing storage, compute, and business‑layer redesigns that enable massive data ingestion, real‑time user‑intent services, and a scalable personalized recommendation system.

CtripHadoopSpark
0 likes · 14 min read
Ctrip's Big Data Architecture and Personalized Recommendation System
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.

ETLHadoopSpark
0 likes · 13 min read
From Traditional Data Warehouses to Big Data: Practical Techniques and Migration Insights
Efficient Ops
Efficient Ops
Jun 30, 2016 · Big Data

How Spark Enables Real‑Time Microservice Performance Profiling

This article explains how IBM Research and Cloudinsight use Apache Spark to capture, analyze, and visualize microservice communication in real time, addressing challenges of observability, bottleneck detection, and latency attribution in large‑scale cloud environments.

Real-time AnalyticsSparkoperational monitoring
0 likes · 10 min read
How Spark Enables Real‑Time Microservice Performance Profiling

How BitMap Accelerates Active-Day Distribution Calculations in Big Data

BitMap, a space‑saving bit‑array structure, can replace costly I/O‑heavy Spark jobs for computing user active‑day distributions by converting joins and distinct operations into fast bitwise logic, enabling efficient 30‑day rolling metrics with minimal memory and superior performance, as demonstrated by real‑world benchmarks.

Active DaysPerformanceSpark
0 likes · 8 min read
How BitMap Accelerates Active-Day Distribution Calculations in Big Data
Architecture Digest
Architecture Digest
May 25, 2016 · Big Data

Advanced Spark Performance Optimization: Data Skew and Shuffle Tuning

This article provides a comprehensive guide on tackling Spark performance bottlenecks by diagnosing data skew, locating the offending stages and operators, and applying a range of practical solutions—including Hive pre‑processing, key filtering, shuffle parallelism, two‑stage aggregation, map‑join, and combined strategies—followed by an in‑depth discussion of shuffle manager evolution and key configuration parameters for fine‑tuning.

Data SkewShuffle OptimizationShuffleManager
0 likes · 35 min read
Advanced Spark Performance Optimization: Data Skew and Shuffle Tuning
High Availability Architecture
High Availability Architecture
May 19, 2016 · Big Data

Comprehensive Overview of Apache Spark: Architecture, RDD Principles, Execution Modes, and Spark 2.0 Features

This article provides an in‑depth technical overview of Apache Spark, covering its core concepts such as RDDs, transformation and action operations, execution models, Spark 2.0 enhancements like unified DataFrames/Datasets, whole‑stage code generation, Structured Streaming, and practical performance‑tuning guidance.

DataFramesPerformance OptimizationRDD
0 likes · 20 min read
Comprehensive Overview of Apache Spark: Architecture, RDD Principles, Execution Modes, and Spark 2.0 Features
Meituan Technology Team
Meituan Technology Team
May 13, 2016 · Big Data

Spark Performance Optimization Guide: Data Skew and Shuffle Tuning

This advanced Spark performance guide explains how data skew arises during shuffles and presents eight practical solutions—including Hive preprocessing, key filtering, increased shuffle parallelism, two‑stage aggregation, map joins, sampling, random prefixes, and combined strategies—while also detailing key shuffle‑tuning parameters such as spark.shuffle.file.buffer, spark.reducer.maxSizeInFlight, and spark.shuffle.manager to improve memory usage and execution speed.

Data SkewPerformance OptimizationShuffle Tuning
0 likes · 33 min read
Spark Performance Optimization Guide: Data Skew and Shuffle Tuning
Meituan Technology Team
Meituan Technology Team
Apr 29, 2016 · Big Data

Introduction to Spark in Big Data

Apache Spark, a versatile big‑data platform supporting batch processing, SQL queries, real‑time streaming, and machine‑learning workloads, dramatically accelerates data‑intensive jobs, as demonstrated by Meituan‑Dianping, where its high‑performance engine reduces execution times and enhances scalability across diverse analytical and operational pipelines.

Batch ProcessingSparkStreaming
0 likes · 1 min read
Introduction to Spark in Big Data
Architecture Digest
Architecture Digest
Apr 25, 2016 · Big Data

Curated Learning Resources for Spark and Scala Beginners

This article compiles a comprehensive list of tutorials, books, online courses, and tools to help beginners get started with Apache Spark and the Scala programming language, including setup instructions, code snippets, and links to free and paid learning materials.

Learning ResourcesScalaSpark
0 likes · 7 min read
Curated Learning Resources for Spark and Scala Beginners
21CTO
21CTO
Apr 18, 2016 · Big Data

How Spark Runs on YARN: From Client Submission to Executor Execution

This article explains the end‑to‑end workflow of Spark on YARN, covering client initialization, ApplicationMaster actions, driver and executor roles, RDD fundamentals, SparkSQL processing, and practical code examples for building and tuning distributed Spark jobs.

Distributed ComputingRDDSpark
0 likes · 17 min read
How Spark Runs on YARN: From Client Submission to Executor Execution
21CTO
21CTO
Apr 12, 2016 · Artificial Intelligence

Designing System and Personalized Recommendation Engines with Mahout and Spark

This article explains the architecture of both system-wide and personalized recommendation modules, compares three recommendation strategies, details the use of Apache Mahout for collaborative filtering with Java code examples, and discusses cold‑start solutions within a Spark‑Hadoop stack.

MahoutSparkcold start
0 likes · 15 min read
Designing System and Personalized Recommendation Engines with Mahout and Spark
Architecture Digest
Architecture Digest
Apr 9, 2016 · Big Data

Practical Experience of Using Spark at Meituan: Platformization, ETL Templates, Feature Platform, Data Mining, and Real‑World Applications

This article describes how Meituan migrated from Hive‑SQL and MapReduce to Spark on YARN, built an interactive Zeppelin‑based development platform, created reusable ETL templates, constructed a Spark‑driven feature and data‑mining platform, and applied Spark to interactive user‑behavior analysis and large‑scale SEM services, highlighting performance gains and operational benefits.

Distributed ComputingETLMeituan
0 likes · 19 min read
Practical Experience of Using Spark at Meituan: Platformization, ETL Templates, Feature Platform, Data Mining, and Real‑World Applications
Architecture Digest
Architecture Digest
Mar 28, 2016 · Big Data

Overview of the Hadoop Ecosystem and Modern Big Data Technologies

This article provides a comprehensive overview of Hadoop and its surrounding ecosystem, detailing core components, storage principles, key algorithms, and a wide range of modern big‑data technologies such as Spark, Flink, Kafka, NoSQL databases, and cloud‑based processing platforms.

HadoopKafkaNoSQL
0 likes · 11 min read
Overview of the Hadoop Ecosystem and Modern Big Data Technologies
Architect
Architect
Mar 6, 2016 · Big Data

Clustering Geolocated User Events with DBSCAN and Spark

This article explains how to apply the DBSCAN clustering algorithm to geolocated user event data and leverage Apache Spark’s distributed processing with PairRDDs to efficiently identify frequent user regions, detect outliers, and build location‑based services such as personalized recommendations and security alerts.

ClusteringDBSCANSpark
0 likes · 8 min read
Clustering Geolocated User Events with DBSCAN and Spark
Architect
Architect
Feb 29, 2016 · Big Data

Design Principles of Real-Time Distributed Streaming Systems: A Comparison of Spark and Storm

This article examines the design considerations of real-time distributed streaming systems, outlines their background and characteristics, compares the architectures of Spark Streaming and Storm, discusses primitives, message passing, high availability, storage models, and integration with production environments, providing practical insights for architects.

SparkStormdistributed systems
0 likes · 20 min read
Design Principles of Real-Time Distributed Streaming Systems: A Comparison of Spark and Storm
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.

ELKSparkbig data
0 likes · 11 min read
How Meizu Built an Agile Big Data Platform for Millions of Users
Architect
Architect
Dec 31, 2015 · Big Data

Using Spark for Machine Learning, New Word Discovery, and Intelligent Q&A

The article explains how to leverage Apache Spark for machine‑learning tasks, large‑scale new‑word discovery, and simple intelligent question‑answering by using Spark‑Shell, Scala code, and word2vec‑based similarity, while sharing practical tips and performance considerations.

Intelligent QANew Word DiscoveryScala
0 likes · 15 min read
Using Spark for Machine Learning, New Word Discovery, and Intelligent Q&A
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.

HadoopSparkbig data
0 likes · 10 min read
Designing an Agile Data Warehouse Architecture for Internet Companies
dbaplus Community
dbaplus Community
Nov 27, 2015 · Big Data

Why Spark Is the Next Big Thing in Big Data: Core Concepts Explained

This article provides a comprehensive overview of Apache Spark, covering its origins, core concepts such as RDDs, transformations, actions, dependencies, execution modes, and key components like Spark SQL, Streaming, MLlib, and GraphX, while also offering practical code examples and visual illustrations.

DataFramesGraphXMLlib
0 likes · 18 min read
Why Spark Is the Next Big Thing in Big Data: Core Concepts Explained
21CTO
21CTO
Nov 19, 2015 · Big Data

Beyond Hadoop: Modern Big Data Platforms and Technologies Explained

This article surveys the evolution of Hadoop and its ecosystem, explains core storage and processing concepts, and introduces contemporary big‑data technologies such as Spark, Flink, Kafka, Lambda architecture, NoSQL databases, and cloud‑native solutions, highlighting their roles and trade‑offs.

FlinkHadoopKafka
0 likes · 17 min read
Beyond Hadoop: Modern Big Data Platforms and Technologies Explained

TalkingData’s Journey to Building a Mobile Big Data Platform with Spark and YARN

This article recounts how TalkingData progressively introduced Spark into its Hadoop‑YARN based mobile big‑data platform, detailing early architectures, migration challenges, performance gains, the fully Spark‑centric redesign with Kafka and Spark Streaming, encountered pitfalls, and future plans for further optimization.

HadoopSparkSpark Streaming
0 likes · 16 min read
TalkingData’s Journey to Building a Mobile Big Data Platform with Spark and YARN
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.

Data IngestionHadoopSpark
0 likes · 12 min read
Designing an Agile Data Warehouse and Data Platform for Internet Companies
Efficient Ops
Efficient Ops
Oct 14, 2015 · Big Data

Spark vs Hadoop, Flink, HBase/Cassandra, Kafka & Tachyon: Expert Q&A

During a lively “Sit and Discuss” session, experts compared Spark and Hadoop, evaluated Flink against Spark, contrasted HBase with Cassandra, explained why Kafka (and sometimes Flink) is preferred for distributed messaging, and shared insights on Tachyon’s role in modern big‑data ecosystems.

CassandraFlinkHBase
0 likes · 10 min read
Spark vs Hadoop, Flink, HBase/Cassandra, Kafka & Tachyon: Expert Q&A
Qunar Tech Salon
Qunar Tech Salon
Aug 18, 2015 · Big Data

Overview of Spark Big Data Analytics Framework Components

Spark’s big‑data analytics ecosystem comprises core components such as the in‑memory RDD data structure, Streaming for real‑time processing, GraphX for graph analytics, MLlib for machine‑learning, Spark SQL for querying, the Tachyon file system, and SparkR, each enabling scalable, distributed computation.

GraphXMLlibRDD
0 likes · 5 min read
Overview of Spark Big Data Analytics Framework Components
Baidu Tech Salon
Baidu Tech Salon
Jan 13, 2015 · Big Data

Inside Spark 1.2: New APIs, In‑Memory Columnar Storage, and Baidu’s High‑Performance Shuffle

This article reviews Spark 1.2’s major enhancements—including the External Data Source API, column pruning, predicate pushdown, and in‑memory columnar storage—while also detailing Baidu’s large‑scale Spark deployments, its custom high‑performance Shuffle service, and the integration of Spark with the Tachyon memory file system.

BaiduExternal Data Source APIIn-Memory Columnar Storage
0 likes · 16 min read
Inside Spark 1.2: New APIs, In‑Memory Columnar Storage, and Baidu’s High‑Performance Shuffle