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Berlin Buzzwords @berlinbuzzwords.de · 11/09/2026

At #bbuzz 20026, Jarek Potiuk joined us to break down how the Apache Software Foundation is thinking about Open Source Maintainership in the age of Agentic AI, and why AI's biggest contribution isn't writing code, it's giving maintainer time back. Watch the recording: youtu.be/gsm4UA-azAA...

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Jarek Potiuk – Empowering OSS maintainers in the age of AI #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Empowering-OSS-maintainers-in-the-age-of-AI Speaker: Jarek Potiuk This talk addresses how we attempt to manage...

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Berlin Buzzwords @berlinbuzzwords.de · 09/09/2026

Zoi Kaoudi and Haralampos Gavriilidis joined us at #bbuzz26 to introduce Apache Wayang, a recently graduated Apache Top Level Project that lets you write a pipeline once and run it efficiently across Spark, Flink, JDBC databases, and ML systems. Full recording: youtu.be/yrjg3a7CiBo...

youtu.be

Why Choose One: Multi-Engine Analytics with Apache Wayang #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Why-Choose-One-Multi-Engine-Analytics-with-Apache-Wayang Speaker: Zoi Kaoudi, Haralampos Gavriilidis Choosing ...

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Berlin Buzzwords @berlinbuzzwords.de · 08/09/2026

Ralph Matthias Debusmann was at #bbuzz26 to break down why existing stream processing libraries are too complex, and to unveil Kafi Streams, an open source Python library that treats streaming like batch. Full recording: youtu.be/_oKQaDyP1CQ...

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Ralph Matthias Debusmann – Kafi Streams: Complex Stream Processing Made Simple #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Kafi-Streams-Complex-Stream-Processing-Made-Simple Speaker: Ralph Matthias Debusmann You can finally stop cari...

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Berlin Buzzwords @berlinbuzzwords.de · 03/09/2026

Streaming Agents can invoke LLMs directly from Flink for each event, but for high-volume Kafka topics that gets expensive fast. Steffen Hoellinger showed how combining this with Complex Event Processing in Flink cuts cost and enforces deterministic behavior. Recording: youtu.be/AyNluIol8Ho...

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Steffen Hoellinger – Event-driven Agents with Complex Event Processing in Flink #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Event-driven-Agents-with-Complex-Event-Processing-in-Flink Speaker: Steffen Hoellinger Event-driven Agents cal...

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Berlin Buzzwords @berlinbuzzwords.de · 01/09/2026

Did people feel scared when AI first stepped into the spotlight? Charlie Hull shares his own first encounter with it, recorded live at #bbuzz 2026. He argues AI is a new challenge for search, not a replacement for it or the people behind it. Watch the episode: youtu.be/m8D0iBo0UK4

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Berlin Buzzwords 2026 - Charlie Hull on role of Search in AI era

This episode was recorded LIVE during Berlin Buzzwords 2026Check out RSS, the podcast hosting platform I'm using: https://rss.com/?via=0424b5Charlie's site a...

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Berlin Buzzwords @berlinbuzzwords.de · 31/08/2026

At #bbuzz 2026, David Louis Hollembaek and Vincent Pistor looked through 20 years of search evolution to show how knowledge graphs and vector search fix the missing link in today's Agentic AI. youtu.be/6r9-Wf-NkI8...

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Search is Back: Solving the "Context Crisis" for AI Agents #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Search-is-Back-Solving-the-Context-Crisis-for-AI-Agents Speaker: David Louis Hollembaek, Vincent Pistor Why do...

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Berlin Buzzwords @berlinbuzzwords.de · 27/08/2026

Many novel ML techniques started as hacks that happened to work, but the demands of building real systems can be at odds with this creative culture. William Benton was at #bbuzz 2026 to argue that ML practitioners and infrastructure teams aren't as different as they appear. youtu.be/Q-DiIh7x1jU...

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William Benton – Sunset for the Wild West: Making ML disciplined by default #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Sunset-for-the-Wild-West-Making-ML-disciplined-by-default Speaker: William Benton Many novel machine learning ...

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Berlin Buzzwords @berlinbuzzwords.de · 25/08/2026

Postgres, Apache Kafka, and Apache Iceberg are three popular data services, and none of them is quite like the other, especially when it comes to writes. At #bbuzz 2026, Celeste Horgan from Snowflake compared writes across all three in his talk. Recording: youtu.be/8yb9XfDRQSA...

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Celeste Horgan – Writes, 3 ways: Postgres, Apache Kafka® and Apache Iceberg™ #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Writes-3-ways-Postgres-Apache-Kafka-and-Apache-Iceberg- Speaker: Celeste Horgan Learning new things is hard, b...

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Berlin Buzzwords @berlinbuzzwords.de · 24/08/2026

Ankit Jain joined us at #bbuzz 2026 to explore how columnar data layouts, SIMD-accelerated execution, and bulk-oriented processing are reshaping search internals, in the talk "From Inverted Index to Columnar Vectorized Execution Search." Full recording: youtu.be/5HxDnUQprXE...

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Ankit Jain – From Inverted Index to Columnar Vectorized Execution Search #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/From-Inverted-Index-to-Columnar-Vectorized-Execution-Search Speaker: Ankit Jain Search engines are converging ...

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Berlin Buzzwords @berlinbuzzwords.de · 21/08/2026

How much CO2 is your cloud usage responsible for? Dmitry Kan asked Julien Nioche, founder of DigitalPebble and creator of the open-source tool SPRUCE, recorded live at #bbuzz 2026. They cover what SPRUCE is and how it gets deployed. Watch: youtu.be/-IY7s00gxTk...

youtu.be

Berlin Buzzwords 2026 - Julien Nioche on Greenops and new open source project SPRUCE

This is a LIVE discussion with Julien Nioche, the creator of SPRUCE, open source greenops framework. We recorded LIVE at Berlin Buzzwords 2026.Cameraman is Z...

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Berlin Buzzwords @berlinbuzzwords.de · 19/08/2026

Apache Solr 9.11 brings in-place index upgrades with zero downtime. No more recreating large indexes from source on major version upgrades. At #bbuzz 2026, Rahul Goswami covered it in "Zero downtime index upgrade in Apache Solr." Watch the recording: youtu.be/6fJVrx11Nbw...

youtu.be

Rahul Goswami – Zero downtime index upgrade in Apache Solr #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Zero-downtime-index-upgrade-in-Apache-Solr Speaker: Rahul Goswami In this talk we'll explore how Apache Solr i...

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Berlin Buzzwords @berlinbuzzwords.de · 14/08/2026

Filip Makraduli's talk covered why hybrid retrieval requires multiple model types, the adapter architecture that makes multi-model serving possible, and building the pipeline end-to-end, tradeoffs, and lessons. Watch the recap: youtube.com/watch?v=... #bbuzz

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Filip Makraduli – One GPU, Four Retrieval Modes: Multi-Model Search Serving #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/One-GPU-Four-Retrieval-Modes-Multi-Model-Search-Serving Speaker: Filip Makraduli Competitive search now needs ...

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Berlin Buzzwords @berlinbuzzwords.de · 12/08/2026

Radu Gheorghe and Rafał Kuć were at Berlin Buzzwords 2026 to talk about preparations for the golden set and untangling the dependencies with the title "Circular Dependency Fixes when Bootstrapping a Golden Set". Check out the recording: youtube.com/watch?v=... #bbuzz

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Radu Gheorghe & Rafał Kuć – Circular Dependency Fixes when Bootstrapping a Golden Set #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Circular-Dependency-Fixes-when-Bootstrapping-a-Golden-Set Speaker: Radu Gheorghe, Rafał Kuć For a golden set, ...

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Berlin Buzzwords @berlinbuzzwords.de · 10/08/2026

This talk, "DuckDB beyond the notebook" by Matthias Niehoff at Berlin Buzzwords 2026 shows how DuckDB changes the way we build data-driven applications and also explored scenarios including browser-based analytics powered by WebAssembly. Full recording: youtube.com/watch?v=... #bbuzz

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Matthias Niehoff – DuckDB beyond the notebook #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/DuckDB-beyond-the-notebook Speaker: Matthias Niehoff Most people know DuckDB as a fast analytics tool for note...

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Berlin Buzzwords @berlinbuzzwords.de · 07/08/2026

Is search obsolete in the age of AI? Dmitry Kan sat down with Trey Grainger and Doug Turnbull, co-authors of "AI-Powered Search," talking about how AI is actually changing search, recorded live at #bbuzz 2026. Watch "Role of Search in Modern AI": youtu.be/acOGVynTVpM

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Berlin Buzzwords 2026 - Trey Grainger & Doug Turnbull, Role of Search in modern AI and new course

This episode was recorded LIVE at the Berlin Buzzwords 2026The cameraman is pure Zoom's AI ;)The Course: "AI-Powered Search: Modern Retrieval for Humans & Ag...

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Berlin Buzzwords @berlinbuzzwords.de · 07/08/2026

Hartmut Armbruster during his talk at Berlin Buzzwords 2026 "What If We've Been Scaling Stream Processing Wrong All Along", shared an early-stage exploration of a framework that preserves the Kafka Streams DSL and so much more. Sounds exciting? Full recording: youtube.com/watch?v=... #bbuzz

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Hartmut Armbruster – What If We've Been Scaling Stream Processing Wrong All Along #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/What-If-We-ve-Been-Scaling-Stream-Processing-Wrong-All-Along Speaker: Hartmut Armbruster We’ve normalised extr...

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Berlin Buzzwords @berlinbuzzwords.de · 05/08/2026

Stanislav Don was at Berlin Buzzwords 2026 with "Detecting Hidden Bias in Datasets Before Models Fail" to A show us how to detect data imbalance, leakage, and coverage gaps early before misleading offline metrics turn into costly real-world failures. Watch it here: youtube.com/watch?v=... #bbuzz

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Stas Don – Detecting Hidden Bias in Datasets Before Models Fail #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Detecting-Hidden-Bias-in-Datasets-Before-Models-Fail Speaker: Stas Don Hidden bias in datasets silently breaks...

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Berlin Buzzwords @berlinbuzzwords.de · 04/08/2026

At Berlin Buzzwords 2026, Gülçin Yıldırım Jelinek joined us with "What you should know about constraints in PostgreSQL 18" and gave a detailed walkthrough of the pg_constraint catalog, what’s new in PostgreSQL 18 and what’s coming in PostgreSQL 19. Full session: youtube.com/watch?v=... #bbuzz

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Gülçin Yıldırım Jelinek – What you should know about constraints in PostgreSQL 18 #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/What-you-should-know-about-constraints-in-PostgreSQL-18 Speaker: Gülçin Yıldırım Jelinek This talk explains ho...

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Berlin Buzzwords @berlinbuzzwords.de · 31/07/2026

Dmitriy Kostunin and Julian von Hoerschelmann-Schliwinski joined us at Berlin Buzzwords 2026 with "AI in the physical world: from observation to discovery" and shared real-world applications of AI across modern physics and more. Catch the live recording here: youtube.com/watch?v=... #bbuzz

youtube.com

AI in the physical world: from observation to discovery #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/AI-in-the-physical-world-from-observation-to-discovery Speaker: Dmitriy Kostunin, Julian von Hoerschelmann-Sch...

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Berlin Buzzwords @berlinbuzzwords.de · 29/07/2026

At Berlin Buzzwords 2026, Apurva Misra joined us with this session "How to Tell If Your Agent Used the Right Stuff" and explored ways to tell whether your agent truly saw and used the right context. The full recording: youtube.com/watch?v=... #bbuzz

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Apurva Misra – How to Tell If Your Agent Used the Right Stuff #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/How-to-Tell-If-Your-Agent-Used-the-Right-Stuff Speaker: Apurva Misra Many so-called “agent failures” are actua...

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Berlin Buzzwords @berlinbuzzwords.de · 22/07/2026

Berlin Buzzwords 2026 wrapped up over a month ago, and preparations for #bbuzz 2027 are already underway! We're heading back to Kulturbrauerei, Berlin for our 18th edition — mark your calendars for 13–15 June 2027. Full details: 2026.berlinbuzzwords...

Berlin Buzzwords branded graphic in bold red and purple. Text reads: Berlin Buzzwords 13-15 June 2027. berlinbuzzwords.de

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Berlin Buzzwords @berlinbuzzwords.de · 16/07/2026

Berlin Buzzwords kicked off with a keynote from Ruth Suehle: "Building Resilience: The Next Decade of Open Source." A session that explored ways open source has evolved Watch the recording: youtu.be/-7qO37l2YfI... #bbuzz

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Ruth Suehle – Building Resilience: The Next Decade of Open Source #bbuzz

More: https://2026.berlinbuzzwords.de/sessions/Building-Resilience-The-Next-Decade-of-Open-Source Speaker: Ruth Suehle Over 25 years, open source has become ...

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Berlin Buzzwords @berlinbuzzwords.de · 11/06/2026

That's a wrap for Berlin Buzzwords 2026! Thank you to everyone who joined us for the seventeenth edition of #bbuzz. Three days of talks, demos, and conversations across search, data, and AI at Kulturbrauerei. Check out our blog post recap of the conference: 2026.berlinbuzzwords...

Berlin Buzzwords main auditorium, with a speaker and people seated

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Berlin Buzzwords @berlinbuzzwords.de · 09/06/2026

Also, thank you to our Get-Together Partner Aiven, our Community Breakfast Partner Xata.io, and our Contributor Partner AI-Powered Search. See the full list of partners here: 2026.berlinbuzzwords.de/our-partners/

xata.io

Xata – One Postgres, thousands of branches.

Instant branches of your Postgres with anonymized production data. No more slow, expensive staging replicas. Ship faster with confidence.

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Berlin Buzzwords @berlinbuzzwords.de · 09/06/2026

A big thank you to our Gold Partners OpenSearch Project, Qdrant, and Vespa.ai, our Recording Partner Bloomberg, our Silver Partners Hornet.dev, Linkup, NetApp Instaclustr, Thomson Reuters Lab, and Search Guard, our Bronze Partner OpenSource Connections.

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Berlin Buzzwords @berlinbuzzwords.de · 09/06/2026

Berlin Buzzwords 2026 has come to an end, and it wouldn't have been possible without the support of our amazing partners. We're incredibly grateful to each of them for helping make it happen.

Logos of Berlin Buzzwords 2026 partners: OpenSearch Project, Qdrant, Vespa.ai, Bloomberg, Hornet.dev, Linkup, NetApp Instaclustr, Thomson Reuters Lab, Search Guard, OpenSource Connections, Aiven, Xata.io, AI-Powered Search. And a text that reads: Partners

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Berlin Buzzwords @berlinbuzzwords.de · 09/06/2026

#bbuzz26 is in full swing, and today is your last chance to get the official Berlin Buzzwords t-shirt and hat. Stop by the registration & info counter to grab yours before they're gone! #bbuzz

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Berlin Buzzwords @berlinbuzzwords.de · 09/06/2026

As it's the last day of #bbuzz, it's your last chance to chat with our partners at their booths! Come by, say hello and have a great chat.

A section of partners booth at Berlin Buzzwords with people chatting and a lady holding a laptop device

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Berlin Buzzwords @berlinbuzzwords.de · 09/06/2026

Time for breakfast on day 2 of #bbuzz! Early access to some recordings from the day 1 of the conference is now available to ticket holders first. Please navigate to "recordings" in the sidebar on our online platform to access them. More to be uploaded soon!

breakfast set up at Berlin Buzzwords with people grabbing breakfast

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Berlin Buzzwords @berlinbuzzwords.de · 09/06/2026

Hello Berlin and welcome to the final day of Berlin Buzzwords 2026! Morning sessions should kick off soon. #bbuzz

The Kulturbrauerei building with the text PALAIS written on it, and a banner that says 'Berlin Buzzwords'

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

That's Day 1 of Berlin Buzzwords 2026 done! Thank you to everyone who joined us today across all four stages and online. See you tomorrow for Day 2! Check what's on: 2026.berlinbuzzwords... #bbuzz

2026.berlinbuzzwords.de

Schedule – Berlin Buzzwords

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

Curious about how AI and data science are transforming search, knowledge, and trusted information? Make sure to head over to the Thomson Reuters stand! 🔬⚡️ #bbuzz

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

Looking to power real-time AI applications on your data at any scale? Connect with the team at the Vespa.ai booth! 🤖 ⚡️ #bbuzz

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

The first day of #bbuzz is in full swing! Time to take a well-deserved coffee break to recharge your batteries ☕🧁. A huge thank you to our partner Vespa.ai for sponsoring the break! Go grab one and let us know: which cupcake flavor is your favorite? 👇

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

Want to scale up with open-source technologies seamlessly? Stop by the NetApp Instaclustr booth! Drop by for a chat, try your luck at the Plinko game, and get a chance to win an awesome NASA Artemis Lego set! 🚀✨ #bbuzz

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

Ready to talk vector search and high-performance AI retrieval? Swing by the Qdrant booth! 📐🚀 #bbuzz26

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

Looking for a powerful retrieval engine built for speed and scale? Make sure to check out the Hornet booth! 🐝⚡️ #bbuzz26

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

Looking for the latest in open-source search, analytics, observability, and AI-powered search experiences? Make sure to swing by the OpenSearch booth! 🔍✨ #bbuzz26

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Berlin Buzzwords @berlinbuzzwords.de · 08/06/2026

Lunch break at #bbuzz26! Head to the Partner and Catering Area next to Kesselhaus. Back at 1300hr.

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Berlin Buzzwords @berlinbuzzwords.de · 06/06/2026

Nearly a year after #bbuzz25, it’s almost that time again. #bbuzz26 is just around the corner, here’s a look back at last year’s edition before we do it all over again. Join us for Berlin Buzzwords on June 7-9 June 2026 Kulturbrauerei or online 2026.berlinbuzzwords...

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Berlin Buzzwords @berlinbuzzwords.de · 06/06/2026

Final reminder for #bbuzz26 The full schedule is live to help you plan your days, map out your favorite sessions, and make the most of your time in Berlin Buzzwords. 2026.berlinbuzzwords...

2026.berlinbuzzwords.de

Schedule – Berlin Buzzwords

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Berlin Buzzwords @berlinbuzzwords.de · 06/06/2026

1 day to go until #bbuzz26. 🚀 It’s almost time. See you tomorrow at Berlin Buzzwords, and definitely at the Barcamp 🥳 2026.berlinbuzzwords...

An event countdown graphic for the Berlin Buzzwords conference. On the right, an excited, smiling speaker wearing a maroon Berlin Buzzwords t-shirt and glasses raises his left arm high in celebration while standing behind a podium. His conference lanyard reads "Nick Burch". Large, bold text overlaid on a dark gradient background reads: "BERLIN BUZZWORDS, 07-09 June 2026, 01 DAY TO GO!". The purple Berlin Buzzwords mascot is in the bottom-left corner, and the website URL "2026.berlinbuzzwords.de" is printed along the bottom right.

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Berlin Buzzwords @berlinbuzzwords.de · 05/06/2026

Before we head into #bbuzz26 weekend, here’s a look back at #bbuzz24. Get your tickets now: 2026.berlinbuzzwords...

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Berlin Buzzwords @berlinbuzzwords.de · 05/06/2026

Join the Community Breakfast for Women* on Monday at Berlin Buzzwords, made possible by Xata. Connect, exchange ideas and start the day together. Spots are limited, RSVP here: 2026.berlinbuzzwords...

2026.berlinbuzzwords.de

Community Breakfast for Women* – Berlin Buzzwords

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Berlin Buzzwords @berlinbuzzwords.de · 05/06/2026

Planning for #bbuzz26? We kick off #bbuzz26 weekend on Sunday with our Barcamp and it’s open to all attendees with a valid onsite ticket. Learn more here: 2026.berlinbuzzwords...

A close-up shot of a speaker with glasses wearing a maroon Berlin Buzzwords t-shirt and badge lanyard. He points his finger at an event scheduling board that reads "Welcome, Briefing & Scheduling" divided into "Inside" and "Outside" columns. The out-of-focus shoulders of audience members frame the foreground.

A close-up shot of two men coordinating an event schedule. On the right, a man with glasses wearing a maroon Berlin Buzzwords t-shirt points toward a large white whiteboard chart filled with colorful sticky notes. The man on the left, wearing a grey t-shirt and sunglasses on his head, watches him closely.

A speaker with a beard and black shirt stands at the front of an indoor auditorium room, gesturing with both hands as he delivers a presentation. A large projector screen behind him displays lines of software code. An audience sits in rows of blue chairs watching the talk, framed by a prominent orange-painted industrial steel pillar in the foreground.

An interactive scheduling session at an indoor event venue. Two facilitators stand on the left near a white grid whiteboard filled with green sticky notes, while a seated audience looks on attentively. A large projector screen in the background reads "Berlin Buzzwords Barcamp." A large, round studio light fixture hangs from the ceiling, illuminating the scene.

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Berlin Buzzwords @berlinbuzzwords.de · 05/06/2026

2 days to go until #bbuzz26! Now’s the time to get everything in place. Get your tickets now if you haven’t: 2026.berlinbuzzwords...

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Berlin Buzzwords @berlinbuzzwords.de · 04/06/2026

We're excited to welcome Aiven as a Get-Together Partner for #bbuzz26! Check out Aiven ahead of #bbuzz26: aiven.io/ Join us for Berlin Buzzwords on June 7-9 at Kulturbrauerei, Berlin or online. 2026.berlinbuzzwords...

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Berlin Buzzwords @berlinbuzzwords.de · 04/06/2026

Join us as we welcome Xata as our Community Breakfast Partner for #bbuzz26! Learn more about Xata: xata.io/ Join us for Berlin Buzzwords on June 7-9 at Kulturbrauerei, Berlin or online

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Berlin Buzzwords @berlinbuzzwords.de · 04/06/2026

Only 3 days until #bbuzz26! Can you believe it? Last minute tickets are now available and you can still be a part of this experience. Get your tickets now: 2026.berlinbuzzwords...

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Berlin Buzzwords @berlinbuzzwords.de · 03/06/2026

Final Call! Standard Tickets for #bbuzz26 are only available until the end of today. If you’ve been waiting for the right moment to secure your spot, this is it. Get your ticket before Standard Tickets switch to Last Minute Tickets tomorrow: 2026.berlinbuzzwords...

An announcement graphic for Berlin Buzzwords with a bold diagonal pattern of orange and dark blue stripes. The text reads: "BERLIN BUZZWORDS, 07-09 June 2026. Final Call — standard ticket sales ends today! 2026.berlinbuzzwords.de"

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