Tootfinder

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: https://2026.berlinbuzzwords.de/2026/06/11/recap-that-was-bbuzz-2027/

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: #bbuzz

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": https://youtu.be/acOGVynTVpM

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: #bbuzz

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: #bbuzz

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: #bbuzz

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: https://youtu.be/m8D0iBo0UK4

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.
https://youtu.be/6r9-Wf-NkI8?si=cgQpMNKU9nJYTlDY

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.
https://youtu.be/Q-DiIh7x1jU?si=OCwGI9Q5pXmtezIF

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: #bbuzz

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: #bbuzz

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: https://youtu.be/8yb9XfDRQSA?si=287dHoSfX5YN_srK

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: https://youtu.be/5HxDnUQprXE?si=STu908-q1dJs0q2S

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: https://2026.berlinbuzzwords.de/2026/07/22/mark-your-calendars-for-2027/

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: https://youtu.be/-IY7s00gxTk?si=fYATIJyt3Iqc34i4

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: https://youtu.be/6fJVrx11Nbw?si=4piqhalJjh58GbwA

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: #bbuzz

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: #bbuzz

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: #bbuzz