Ten years of building open source standards: From Parquet to Arrow to OpenLineage | Astronomer

ABOUT THE TALK:
Over the last decade I have been lucky enough to contribute a few successful open source projects to the data ecosystem. In this talk
Julien Le Dem shares the story of his contribution to successful open source projects to the data ecosystem and what made their success possible. From the ideation process and early growth of the Apache Parquet columnar format and how this led to the creation of its in-memory alter-ego Apache Arrow. Julian will end with showing how this experience enabled the success of OpenLineage, an LFAI & Data project that brings observability to the data ecosystem.
ABOUT THE SPEAKER:
Julien Le Dem is the Chief Architect of Astronomer and Co-Founder of Datakin. He co-created Apache Parquet and is involved in several open source projects including OpenLineage, Marquez (LFAI&Data), Apache Arrow, Apache Iceberg and a few others. Previously, he was a senior principal at Wework; principal architect at Dremio; and tech lead for Twitter’s data processing tools and principal engineer working on content platforms at Yahoo, where he received his Hadoop initiation.
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