Carfax utilizes a unified workload automation platform to manage over 129,000 processes daily across five data centers, leveraging big data and Hadoop for efficient data processing. With the ability to handle diverse data formats from 34,000 sources, Carfax emphasizes the importance of data integrity and automation in its operations. The integration of Hadoop into existing systems aims to streamline processes and reduce reliance on legacy systems while fostering agile practices within the company.