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Speaker

Gunnar Morling

Senior Staff Software Engineer @Decodableco, Open Source Aficionado, Previously Debezium Project Lead @Red Hat, Creator of The One Billion Row Challenge

Gunnar Morling is a software engineer and open-source enthusiast by heart, currently working at Decodable on stream processing based on Apache Flink. In his prior role as a software engineer at Red Hat, he led the Debezium project, a distributed platform for change data capture. He is a Java Champion and has founded multiple open source projects such as JfrUnit, kcctl, and MapStruct. Gunnar is an avid blogger (morling.dev) and has spoken at a wide range of conferences like QCon, Java One, and Devoxx. He lives in Hamburg, Germany.

Find Gunnar Morling at:

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Session

1BRC–Nerd Sniping the Java Community

Your mission, should you decide to accept it, is the following: aggregate temperature values from a CSV file and group them by weather station name. There’s only one caveat: the file has one 1,000,000,000 rows!

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Date

Friday Sep 27 / 04:20AM EDT ( 50 minutes )

Location

Ballroom B

Topics

Data Engineering Event Streaming Architecture Change Data Capture Java

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