Big data

https://en.wikipedia.org/wiki/Big_data

https://en.wikipedia.org/wiki/Apache_Hadoop

http://hadoop.apache.org/

http://www.datamation.com/data-center/50-top-open-source-tools-for-big-data-1.html


https://www.google.co.th/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=big%20data%20open%20source