First, it uses Hadoop to support its associates program, in which affiliates post links to Amazon-based products on their websites and get a percentage of related revenue. Originally, Rauser explained, Amazon developers wrote three separate applications in C++ to process and analyze data associated with these transactions to determine how much to pay each affiliate. But the system quickly began to run up against scaling issues, particularly every fourth quarter (typically the busiest quarter of the year for Amazon.) Continue reading Hadoop on Amazon and AirBnB →