The core data of almost all industries is the structured data, which is the most important data asset of this era. Therefore, how to effectively utilize and process structured data naturally becomes ...

(I am maintaining this project and add more demos for Hadoop distributed mode, Hadoop deployment on cloud, Spark high performance, Spark streaming application demos, Spark distributed cluster etc.

To help illustrate the MapReduce programming model, consider the problem of counting the number of occurrences of each word in a large collection of documents. The user would write code like the ...