Presented By O'Reilly and Cloudera
Make Data Work
March 13–14, 2017: Training
March 14–16, 2017: Tutorials & Conference
San Jose, CA
Julien Le Dem

Julien Le Dem
Principal Engineer, WeWork

Website | @J_

Julien Le Dem is a principal engineer at WeWork. He’s also the coauthor of Apache Parquet and the PMC chair of the project, and he’s a committer and PMC member on Apache Pig, Apache Arrow, and a few other projects. Previously, he was an architect at Dremio; tech lead for Twitter’s data processing tools, where he also obtained a two-character Twitter handle (@J_); and a principal engineer and tech lead working on content platforms at Yahoo, where he received his Hadoop initiation. His French accent makes his talks particularly attractive.


1:50pm2:30pm Thursday, March 16, 2017
Data engineering and architecture, Emerging Technologies
Location: LL20 D Level: Advanced
Secondary topics:  Architecture
Julien Le Dem (WeWork), Jacques Nadeau (Dremio)
Average rating: ****.
(4.00, 2 ratings)
In pursuit of speed, big data is evolving toward columnar execution. The solid foundation laid by Arrow and Parquet for a shared columnar representation across the ecosystem promises a great future. Julien Le Dem and Jacques Nadeau discuss the future of columnar and the hardware trends it takes advantage of, such as RDMA, SSDs, and nonvolatile memory. Read more.
3:30pm4:10pm Thursday, March 16, 2017
Location: Table A
Julien Le Dem (WeWork)
Join Julien to discuss columnar data processing and the hardware trends it can take advantage of. Read more.