Julien Le Dem

Everything Julien Le Dem said on any show that made the record, most notable first. Each card names its show and opens the statement there.

MAD Insight

The best time to collect data pipeline metadata is during runtime

“The best time to collect metadata is when the job is running and we can inspect it to figure out what the inputs were, what the outputs were, how long it took you know, what was the version of the code and things like that.”

Julien Le Dem Feb 1, 2021 ▶ 9:22 Data Observability and Pipelines: OpenLineage and Marquez

MAD Insight

Collecting massive amounts of metadata creates a signal-to-noise challenge

“I think the curse of collecting all that metadata that becomes really hard to figure out, to find the right information in the mass of data, and therefore that's what we strive to solve, right?”

Julien Le Dem Feb 1, 2021 ▶ 19:41 Data Observability and Pipelines: OpenLineage and Marquez

MAD Assertion Not checkable as stated

90% of contacted open source projects want to contribute to OpenLineage

“90% of the project we reach out to see a lot of value in this and want to contribute”

Julien Le Dem Feb 1, 2021 ▶ 26:19 Data Observability and Pipelines: OpenLineage and Marquez

MAD Prediction Not checkable as stated

OpenLineage will take a couple of years to achieve widespread adoption

“It will take a couple of years to get that but all the open source project are kind of the early adopters of the idea.”

Julien Le Dem Feb 1, 2021 ▶ 27:17 Data Observability and Pipelines: OpenLineage and Marquez

MAD Disclosure

Marquez started at WeWork as an OpenLineage reference implementation

“Marquez which is an open source project we started while I was at WeWork and which is also a reference implementation of the open lineage standard.”

Julien Le Dem Feb 1, 2021 ▶ 1:19 Data Observability and Pipelines: OpenLineage and Marquez

The other half of the tape: Julien Le Dem's own voice is left out of every number here. Other people bring the name up 4 times in 3 episodes across the shows. every mention, with the transcript →

Who brings them up most Wes McKinney 2Pete DeJoy 1Matt Turck 1

Every mention by year

One line per show, most statements first. The link opens Julien's full record on that show: the calibration, argument clarity, speaking style and every statement made there.

Show	Role there	Eps	Statements	Record
MADLEDGER	Principal Engineer, Datadog	1	5	—	full record on the MAD Podcast →