Berlin Buzzwords 2024

Timo Walther

Timo Walther is a Principal Software Engineer at Confluent and a long-time member of Apache Flink’s management committee. He studied Computer Science at TU Berlin and was part of the Database Group there - the origins of Apache Flink. He worked as a software engineer at DataArtisans and led the SQL team at Ververica. He was a Co-Founder of Immerok which was acquired by Confluent in 2023. In Flink, he is working on various topics in the Table & SQL ecosystem to make stream processing accessible for everyone.


Company/Organisation

Confluent


Session

06-10
15:20
40min
Flink's SQL Engine: Let's open the engine room!
Timo Walther

Flink's SQL engine is the workhorse behind many event processing platforms. We take a deep look into the internals and take the stack apart! Optimizer phases, streaming primitives, watermarks, CDC, and upsert keys. Let me give you a feeling for the power of a simple streaming SQL query.

Kesselhaus