Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Explore the journey of building successful open source projects in the data ecosystem through this 35-minute conference talk by Julien Le Dem, Chief Architect at Astronomer and Co-Founder of Datakin. Gain insights into the ideation process and early growth of Apache Parquet columnar format, and discover how it led to the creation of Apache Arrow. Learn about the development of OpenLineage, an LFAI & Data project bringing observability to the data ecosystem. Understand the factors that contributed to the success of these projects and how they have shaped the data landscape over the past decade. Benefit from Le Dem's extensive experience in data processing tools and content platforms, including his work at Twitter, Wework, Dremio, and Yahoo.