Hadoop three major releases: Apache, Cloudera, Hortonworks.
Most of the original Apache version (most basic) version, for best learning portal.
Cloudera used in many large Internet companies.
Hortonworks document better.
1. Apache Hadoop
Official website address: http: //hadoop.apache.org/releases.html
Download: https://archive.apache.org/dist/hadoop/common/
2. Cloudera Hadoop
Official website address: https: //www.cloudera.com/downloads/cdh/5-10-0.html
Download: http: //archive-primary.cloudera.com/cdh5/cdh/5/
(1) established in 2008 Cloudera Hadoop is the first commercial company to provide commercial Hadoop solutions for partners, mainly including support, consulting services, training.
( 2 ) 2009 Nian Hadoop founder Doug Cutting also joined the Cloudera company . Cloudera products are mainly for CDH, Cloudera Manager, Cloudera Support
(3) CDH is Cloudera Hadoop distribution, fully open source than Apache Hadoop has been enhanced in the compatibility, security, stability.
(4) Cloudera Manager is the cluster management software distribution and monitoring platform that can be deployed in a few hours what a Hadoop cluster, and the cluster nodes and services for real-time monitoring. Cloudera Support that is technical support for Hadoop's.
(5) Cloudera is priced at $ 4,000 per year for each node. Cloudera Impala developed and contributed to the project can handle big data in real time.
3. Hortonworks Hadoop
Official website address: https: //hortonworks.com/products/data-center/hdp/
Download: https: //hortonworks.com/downloads/#data-platform
(1) established in 2011 Hortonworks Yahoo and Silicon Valley venture capital firm Benchmark Capital joint venture.
( 2 ) The company was first set up to absorb about 25 Ming Zhi 30 Ming specializes in Hadoop Yahoo engineers, engineers, above all in 2005 began to assist the development of Yahoo's Hadoop , contributed Hadoop80% of the code.
Vice President (3) engineering Yahoo, Yahoo Hadoop development team leader Eric Baldeschwieler as CEO of Hortonworks.
(4) Hortonworks's flagship product is the Hortonworks Data Platform (HDP), also 100% open-source product, HDP addition to the common projects also include the Ambari, an open source installation and management systems.
(5) HCatalog, metadata management system, HCatalog Facebook has been integrated into the open-source Hive. Hortonworks of Stinger greatly optimizes the Hive project groundbreaking. Hortonworks provides a very good for entry, sandbox and easy to use.
(6) Hortonworks developed and submitted a number of enhancements to the core backbone, which makes Apache Hadoop to run locally on the Microsoft Windows platform, including Window Server and Windows Azure, including. Pricing is based in a cluster, each node 10 to $ 12,500 per year.
