Hadoop

Hadoop 2

Definition | SearchDataManagement

Apache Hadoop 2 is the second iteration of the Hadoop framework for distributed data processing.  Hadoop 2 adds support for running non-batch ...

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• What to expect when using HDFS in Hadoop architecture

  ATE | searchStorage

  Analyst John Webster details issues with Hadoop architecture and what users can expect from Hadoop Version 2.0.

• How is Hadoop infrastructure improving?

  Ask the expert | searchStorage

  John Webster describes how changes to HDFS and the NameNode can help to improve Hadoop infrastructure.

• How to reverse Hadoop issues with private cloud storage

  Tip | searchStorage

  Learn how utilizing private cloud storage providers can help solve common Hadoop problems relating to availability, capacity and migration.

SQL-on-Hadoop

Definition | SearchDataManagement

SQL-on-Hadoop is a class of analytical application tools that combine established SQL-style querying with newer Hadoop data framework elements.

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• SQL-on-Hadoop brings open source framework into mainstream

  News | searchDataManagement

  Assorted SQL additions to Hadoop are getting attention of late. Users at the recent Hadoop Summit say these tools betoken better interactive queries.

• Cut through the SAP-Hadoop integration fog

  SAP and Hadoop | searchSAP

  Vendor claims have helped create confusion in the marketplace surrounding SAP-Hadoop integration. Expert Ethan Jewett outlines what's possible.

• TDWI kicks 12 common Hadoop project myths to the curb

  News | searchBusinessAnalytics

  TDWI director of research Philip Russom deconstructs the 12 most misconstrued Hadoop characteristics and replaces rumor with fact.

Hadoop data lake

Definition | SearchDataManagement

A Hadoop data lake is a data management platform comprising one or more Hadoop clusters.

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• Compare AWS data lakes with S3 against HDFS

  Tip | searchAWS

  An S3 data lake streamlines the analysis of data that lives exclusively on AWS infrastructure but presents limitations for those who want to move ...

• EMC upgrades Isilon NAS for file storage, Hadoop analytics

  News | searchStorage

  EMC spins out two new Isilon NAS models, including one for Hadoop analytics, and adds flash read cache.

• Spark and S3 storage carry forward NBC big data initiative

  Podcast | searchDataManagement

  Has the Hadoop elephant left the room? At NBC, ad analytics have evolved in Hadoop style, but with Spark and S3 at the core, as discussed at the Big ...

Hadoop

Definition | SearchDataManagement

Hadoop is an open source distributed processing framework that manages data processing and storage for big data applications running in clustered ...

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• Commercial Hadoop distributors bring HDFS improvements

  Tip | searchStorage

  These three commercial distributions of Hadoop are alternative options for big data storage that can bypass data protection and performance problems ...

• Podcast: Hadoop vendors progress toward enterprise-ready solutions

  Podcast | searchStorage

  Storage expert John Webster discusses how Hadoop vendors are faring when faced with the challenge of meeting enterprise 'big data' demands.

• Core Hadoop components get more company as vendors diversify

  News | searchDataManagement

  Tracking 'What is Hadoop?' is getting more complex as the potential components of Hadoop systems increase -- and core elements such as HDFS are ...

Apache Hadoop YARN

Definition | SearchDataManagement

Apache Hadoop YARN is the resource management and job scheduling technology in the open source Hadoop distributed processing framework.

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• Hadoop 2 puts big data environment on friendlier analytics turf

  BI Experts Panel | searchBusinessAnalytics

  Separating resource and application management in Hadoop 2 improves the framework's ability to support data analytics, says consultant David Loshin.

• Apache YARN helps to knit more mature Hadoop offering

  THE DATA MILL | searchCIO

  Apache YARN spun a tale of its own at Hortonworks' Hadoop Summit, but it wasn't the only big data announcement. The Data Mill reports.

• The latest trends in the Hadoop project

  Podcast | TheServerSideCOM

  In this podcast, Tim Hall of Hortonworks discusses the Apache Hadoop project and how it has changed since its inception.

Hadoop as a service (HaaS)

Definition | SearchStorage

Hadoop as a service provides organizations with big data analytics capabilities that are deployed and managed through a third party. This lets ...

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• Core Hadoop components get more company as vendors diversify

  News | searchDataManagement

  Tracking 'What is Hadoop?' is getting more complex as the potential components of Hadoop systems increase -- and core elements such as HDFS are ...

• How is Hadoop infrastructure improving?

  Ask the expert | searchStorage

  John Webster describes how changes to HDFS and the NameNode can help to improve Hadoop infrastructure.

• Big data storage: Hadoop storage basics

  Feature | ComputerWeekly

  Hadoop changes the game for enterprise storage. We look at how Hadoop crunches big data, its key storage requirements and survey the vendors

Hadoop cluster

Definition | SearchBusinessAnalytics

A Hadoop cluster is a special type of computational cluster designed specifically for storing and analyzing huge amounts of unstructured data in a ...

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• Using Microsoft Cluster Services for virtual machine clustering

  Chapter Excerpt | searchITChannel

  Microsoft Cluster Services are useful for the different virtual machine (VM) clustering scenarios that are available, such as cluster in a box, and ...

• Can your cluster management tools pass muster?

  Feature | searchDataCenter

  The right designs and cluster management tools ensure your clusters don't become a cluster, er, failure.

• Windows Server 2012 Hyper-V cluster: Basic points for customers

  Tip | searchITChannel

  Learn about the most important factors for a Server 2012 Hyper-V cluster, including Failover Clustering, Cluster Shared Volumes and more.

Hadoop Distributed File System (HDFS)

Definition | SearchDataManagement

The Hadoop Distributed File System (HDFS) is the primary data storage system used by Hadoop applications.

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• How to reverse Hadoop issues with private cloud storage

  Tip | searchStorage

  Learn how utilizing private cloud storage providers can help solve common Hadoop problems relating to availability, capacity and migration.

• Big data storage: Hadoop storage basics

  Feature | ComputerWeekly

  Hadoop changes the game for enterprise storage. We look at how Hadoop crunches big data, its key storage requirements and survey the vendors

• Hadoop enables distributed 'big data' processing across clouds

  Tip | searchNetworking

  The Hadoop framework enables distributed 'big data' processing across servers that can improve application performance and offer up redundancy.

MapReduce

Definition | SearchCloudComputing

MapReduce is a core component of the Apache Hadoop software framework.

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• Hadoop 2 puts big data environment on friendlier analytics turf

  BI Experts Panel | searchBusinessAnalytics

  Separating resource and application management in Hadoop 2 improves the framework's ability to support data analytics, says consultant David Loshin.

• SQL Server-Hadoop highway to 'big data' ventures into new territory

  Tip | searchSQLServer

  Microsoft’s SQL Server-Hadoop connectors bridge the structured, relational database world with the unstructured universe of big data. For DBAs, there...

• Hadoop enables distributed 'big data' processing across clouds

  Tip | searchNetworking

  The Hadoop framework enables distributed 'big data' processing across servers that can improve application performance and offer up redundancy.

Apache Parquet

Definition | WhatIs.com

Apache Parquet is a column-oriented storage format for Hadoop.

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• The benefits of columnar storage and the Parquet file format

  Tip | searchDataManagement

  What's behind Apache Parquet's growing popularity? It may be the file format's columnar storage orientation, which leads to benefits including ...

• HPE adapts Vertica analytical database to world with Hadoop, Spark

  News | searchDataManagement

  Vertica 8.0 expands the analytical database's support for Kafka, Spark and Hadoop. That's an important step, as the Hewlett Packard Enterprise ...

• Improve query performance, cut costs with Amazon Athena

  Tip | searchAWS

  Amazon Athena can query more data formats than its competitor Google BigQuery, but developers must choose easy-to-process formats to enjoy Athena's ...