Introduction: As Uber’s business grew, we scaled our Apache Hadoop (referred to as ‘Hadoop’ in this article) deployment to 21000+ hosts in 5 years, to support the various analytical and machine learning use cases. We built a team with varied expertise to address the challenges we faced running Hadoop on bare-metal: host lifecycle management, deployment and automation, Hadoop core development, and customer facing portals. With the growing complexity and size of Hadoop infrastructure, it ...
