Best LinkedIn groups all Hadoop experts should join

There are hundreds of Hadoop groups on LinkedIn, but these are the best ones you should definitely consider joining. Join them to learn about the latest happenings in the world of Hadoop, and engage in discussions with other professionals online.
1. Hadoop Users
Group Profile: A group for users of Hadoop and its sub-projects.
Created: October 7, 2008
Type: Professional Group
Members: 49,981
Owner: Jay Kreps
2. Big Data, Hadoop & Cloud Computing
Group Profile: Place to discuss about Big Data Projects, Hadoop, Cloud computing, and its issues and solutions.
Created: July 6, 2011
Type: Professional Group
Members: 20,000
Owner: VenkataHari Shankar
3. Cloudera Hadoop Users
Group Profile: Cloudera is the leader in Apache Hadoop-based software and services and offers a powerful new data platform that enables enterprises and organizations to look at all their data — structured as well as unstructured — and ask bigger questions for unprecedented insight at the speed of thought.
CDH – Cloudera’s Hadoop distribution is the most comprehensive Apache Hadoop-based platform in the industry. It includes some useful patches back-ported from future releases and a robust ecosystem of Hadoop-related projects for easier usability.
Cloudera Enterprise is the most cost-effective way to perform large-scale data storage and analysis. Cloudera Enterprise includes the tools, platform, and support necessary to use Hadoop in a production environment. Cloudera provides professional services, technical support, and training to help any business use the Hadoop software created by Google, Facebook, and Yahoo!
Created: June 26, 2009
Type: Professional Group
Members: 8,752
Owner: Christophe Bisciglia
4. Hadoop India
Group Profile: Group for Hadoop India Users
Created: September 2, 2009
Type: Professional Group
Members: 8,707
Owner: Sanjay Sharma
5. Distributed Computing & Applications Professional: Hadoop, MapReduce, NoSQL, MongoDB, VLDB, Big Data
Group Profile: A group for scalable computing and distributed computing and applications professionals located throughout the world. Hadoop, MapReduce, NoSQL, Hive, Cloud Computing, Distributed File System, Google File System, High Performance Computing, Utility Computing, Amazon Elastic Compute Cloud (EC2) and Amazon Simple Storage Service (S3), Amazon Elastic MapReduce, HDFS filesystem database, Nutch, HBase, Hypertable, MapReduce, Apache Pig, Apache Mahout, Machine Learning, VLDB, Data Mining, Cassandra, CouchDB, MongoDB, node.js, Python, Groovy, Ruby on Rails, RoR, Scala, Clojure, JVM, NetKernel, Resource Oriented Computing, ROC, neo4j, redis, node.js, Heroku, AppFog, Nodejitsu, HATEOAS, Skeuomorphs, AWS, Google BigTable, HPC, REST API, RESTful, HATEOAS, Hypermedia, Resource, HTTP, JSON, Apigee
Created: October 14, 2009
Type: Professional Group
Members: 6,095
Owner: Steven Englander
6. Hadoop Hive
Group Profile: Hive is a data warehouse infrastructure built on top of Hadoop that provides tools to enable easy data summarization, adhoc querying and analysis of large datasets data stored in Hadoop files. It provides a mechanism to put structure on this data and it also provides a simple query language called Hive QL which is based on SQL and which enables users familiar with SQL to query this data. At the same time, this language also allows traditional map/reduce programmers to be able to plug in their custom mappers and reducers to do more sophisticated analysis which may not be supported by the built-in capabilities of the language.
Created: June 15, 2009
Type: Professional Group
Members: 6,261
Owner: Pavan Reddy
7. Big Data Analytics and Hadoop
Group Profile: Big Data Analytics and Hadoop group was started with a vision to be most active platform for networking, knowledge sharing and educate people who are excited to be a part of this rapidly growing industry. Within no time this group has multiplied with many active users globally contributing their insights and findings in this area.
Today we are a strong community of members representing a variety of domains, verticals and industries in the space of analytics and big data. They disseminate their learning’s through announcements, group discussions and postings. We welcome you into this field of Data Science and hope you will have a wonderful learning experience.
Created: June 14, 2012
Type: Professional Group
Members: 6,274
Owner: Vamsi Krishna Pannala
8. BIG DATA Professionals Architects Scientists Analytics Experts Developers Cloud Computing NoSQL BI
Group Profile: Data Scientist Predictive Analytics Business Insights Monetization Virtualization Visualization Statistics BI Intelligence Forensic Risk Fraud Social Machine Modeling Text Search Mining Web Cloudera Greenplum Hortonworks IBM EMC HP Splunk NoSQL Mobile Oracle Database DBA 3PL WMS Bay Area New York ..
Created: September 1, 2008
Type: Professional Group
Members: 33,696
Owner: Qamar Zia