Hadoop three major releases: the Apache , Cloudera , Hortonworks .
Apache version most primitive (most basic) version, for best learning portal.
Cloudera more with the large Internet companies.
Hortonworks document better.
- Apache Hadoop
Official website address: http://hadoop.apache.org/releases.html
Download: https://archive.apache.org/dist/hadoop/common/
- 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 ) 2008 founded the Cloudera was the first to Hadoop commercial companies, as partners Hadoop business solutions, 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 's 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 Hadoop technical support.
( 5 ) Cloudera list price per year for each node 4000 dollar. Cloudera development and can contribute a great deal of real-time data Impala project.
3. Hortonworks Hadoop
Official website address: https://hortonworks.com/products/data-center/hdp/
Download: https://hortonworks.com/downloads/#data-platform
( 1 ) 2011 founded the 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.
( 3 Vice President) Yahoo engineering, Yahoo! Hadoop development team leader Eric Baldeschwieler as Hortonworks CEO.
( 4 ) Hortonworks 's flagship product is Hortonworks the Data Platform ( HDP ), also is 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 now integrated into Facebook open source Hive in. Hortonworks of Stinger greatly optimizes the groundbreaking Hive project. 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 can include Window Server and Windows Azure , including Microsoft Windows to run locally on the platform. Pricing is based in a cluster, every 10 nodes per year 12500 dollar.
2 .4 the Hadoop advantage ( 4 H)
