On January 30, Hadoop developers gathered at LinkedIn’s offices in Mountain View to share their latest work, with presentations by engineers from community members like Microsoft, Cloudera, Uber, and of course, LinkedIn. The Hadoop community is the lifeblood of the project, and the strong community spread across numerous companies and countries is what has kept...

Co-authors: Erik Krogen and Min Shen In March 2015, LinkedIn’s Big Data Platform team experienced a crisis. As the team was preparing to head home for the day, signs of trouble began trickling in: our internal users were reporting that their applications were stalling or timing out. Job queues were backing up, and SLAs would be missed. A bit of investigation...