Berlin Meetup – Autumn Leaves, Data Stays: Adapting ClickHouse® to Use Apache Iceberg Storage
Meetup Talks
Berlin Meetup: Autumn Leaves, Data Stays
October 14 @ 7:00 pm – 9:00 pm Neugelb Studios Zeughofstraße 20, Berlin
Agenda:
6:30 PM – 7:00 PM – Registration and Networking
7:00 PM – 7:10 PM – Welcome and Initial Remarks
7:10 PM – 7:20 PM – Talk 1: Adapting ClickHouse® to Use Apache Iceberg Storage
- Speaker: Josh Lee – Open Source Advocate @ Altinity
- Speaker: Maciej Bak – Support Engineer @ Altinity
7:20 PM – 7:55 PM – Talk 2: Lakekeeper — The Lakehouse Control Plane: Governance at Scale with Iceberg
- Speaker: Viktor Kessler – Co-Founder @ Vakamo
7:55 PM – 8:10 PM – Break
8:10 PM – 8:35 PM – Talk 3: How we made WarehousePG Open Source (again)
- Speaker: Andreas Scherbaum – Board of Directors @ PostgreSQL Europe
8:35 PM – 9:30 PM – Closing Remarks and Extended Networking
About our hosts:
Altinity is the leading service provider for ClickHouse, the open-source column-store database for real-time analytics. They offer managed services, enterprise support, and training to help companies deploy, scale, and optimize ClickHouse. Alongside services, Altinity also develops open-source tools and builds that make ClickHouse more robust and easier to use.
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About the Presenters
Joshua Lee – Open Source Developer Advocate at Altinity
Whether it’s operators or observability, agile or accessibility, his expertise shines because he is passionate about all of it. He’s been building software for more than a decade and he loves sharing experiences via public speaking. He is currently a Developer Advocate for Altinity where he helps create educational content about ClickHouse® and OpenTelemetry, and he is a contributor to the OpenTelemetry project.
Maciej Bak – Support Engineer at Altinity
Maciej is a passionate and self-driven engineer with a long-standing interest in programming and data. His journey began in primary school with Basic, evolving into high-level object-oriented languages like Delphi and Java.
In high school, he discovered his passion for databases while building websites in HTML, PHP, JS, and CSS. Since then, he explored the full spectrum of database technologies—from SQLite and MySQL to Firebird, Oracle, PostgreSQL, and now ClickHouse.
Today, he specialized in distributed systems, big data analytics, and cloud-native architectures, working with tools like Kubernetes, Kafka, and Apache Iceberg.
He is curious, empathetic, and always learning—committed to continuous growth and helping others solve complex technical challenges with clarity and precision.
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