Who has the world’s largest Hadoop cluster?

 It is hard to tell who has the World’s largest data Hadoop cluster, however, some organizations may have a large set of data volumes stored. These organizations possibly could be companies such as Facebook, Yahoo, Tencent, or other service providers that provide cloud-based services on their platforms.

Do not forget that the specific details about who has the largest data on Hadoop can be changed over time as it depends on many other factors such as new deployment of accounts or deletion of the account etc. Thus your question’s answer has an ever-evolving answer or landscape.