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@berlinbuzzwords@floss.social
2026-05-23 14:26:02

Good news! Bloomberg is joining #bbuzz26 once again as Recording Partner 👏
Check out Bloomberg ahead of bbuzz26: bloomberg.com/company/values/t
Join us online and in-person at Kulturbrauerei, Berlin. 2026.berlinbuzzwords.de/

@berlinbuzzwords@floss.social
2026-05-24 13:00:18

Tom Scott and Roman Kolesnev are at #bbuzz26 to speak on Kleppmann's "Turning the Database Inside Out", showing how Kafka and Iceberg together replace brittle ETL and unify real-time and historical analysis.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-24 17:00:15

Radu Gheorghe and Rafał Kuć are joining #bbuzz26 to talk about ways to untangle it: lexical search, significant terms, training an embedder from scratch, etc.
Learn more about their amazing session: 2026.berlinbuzzwords.de/sessio
Join us for Berlin Buzzwords on June 7-9 at Kulturbrauerei or online

@berlinbuzzwords@floss.social
2026-05-23 16:27:18

How does searching for new information often look?
Evgeniya Sukhodolskaya is joining #bbuzz26 to introduce a new instrument for search pipeline builders: propagating query-results relevance right inside the search algorithm of a search engine.
Learn more here : 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-24 15:42:20

IResearch is an Apache 2.0 C search engine built to live inside databases.
Andrey Abramov is joining #bbuzz26 to benchmark it against leading open-source search engines, and explore how database-native search fits modern query execution.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-22 11:23:11

We’re also thrilled to welcome Vespa.ai as Gold Sponsor for #bbuzz26
Check out vespa.ai ahead of bbuzz26.
Join us online and in-person at Kulturbrauerei, Berlin.
2026.berlinbuzzwords.de/

@berlinbuzzwords@floss.social
2026-05-21 12:47:07

DuckDB is fantastic for notebooks and scripts, but how does it perform beyond it? Matthias Niehoff is at #bbuzz26 to share practical strategies for moving DuckDB into broader production workflows.
Learn more: 2026.berlinbuzzwords.de/speake

@berlinbuzzwords@floss.social
2026-05-20 15:30:08

We’re pleased to announce that Qdrant is joining #bbuzz26 as a Gold Partner! 👏🏻
Learn more about Qdrant here: qdrant.tech/
And don't forget to secure your tickets: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-20 13:49:02

Standard ticket and Standard Group ticket sales for #bbuzz26 end on June 3rd. From June 4th, Last Minute Tickets will be available at a higher rate.
If you’ve been thinking about attending, this is your reminder to save your spot before the deadline.
Get your tickets here: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-20 08:32:03

We want Berlin Buzzwords 2026 to be accessible to everyone, which is why we're excited to announce our fully sponsored Diversity Tickets. This is for anyone who wouldn't be able to participate at #bbuzz26 otherwise.
Choose between an onsite ticket at Kulturbrauerei or an online ticket - both completely free!
Learn more and get a diversity ticket: 2026.berlinbuzzwords.de/divers

@berlinbuzzwords@floss.social
2026-05-19 10:09:20

Inverse hybrid search has a balancing problem, and it's messier than it looks. Ravindra Harige is at #bbuzz26 to break down why, and what you can do about it.
Catch up on everything about this session: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-19 13:28:06

Spark for batch, Trino for SQL, Flink for streaming - but how do you run all three safely on the same data? Join @Geetha at #bbuzz26 to explore how Apache Iceberg acts as the shared table layer that makes multi-engine data platforms possible.
Learn more about this session: 2026.berlinbuzzwords.de/sessio
Join us online and in-person at Kulturbrauerei, Berlin.

@berlinbuzzwords@floss.social
2026-05-18 14:58:10

What happens when AI agents can react to complex event patterns in real time? Steffen Hoellinger is at #bbuzz26 to show how Flink's CEP capabilities can take event-driven architectures to the next level.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-17 09:30:10

Grep isn't enough for coding agents. Amine GANI and Roudy Khoury are at #bbuzz26 to talk about what proper search infrastructure for reliable coding agents actually looks like.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-17 12:30:08

Open source has always been built on people lifting each other up. Tilda Udufo and Busayo ojo are joining #bbuzz26 to explore what mentoring looks like in the age of AI and how communities can stay human-centred, keep growing new contributors, and make sure the knowledge transfer continues.
Learn more about their session: lnkd.in/eFAf7tx3

@berlinbuzzwords@floss.social
2026-05-17 07:51:08

Language models are changing faster than most teams can keep up with. Carmen Iniesta López and Carles Onielfa are joining #bbuzz26 to share practical strategies for navigating that constant churn, how to stay grounded, make good decisions, and keep building useful things when the ground keeps shifting beneath you.
Learn more about this session: 2026.berlinbuzzwords.de/sessio
Come join us for Berlin Buzzwords on June 7-9 at Kulturbrauerei or online.

@berlinbuzzwords@floss.social
2026-05-16 10:30:06

Attending #bbuzz26 with your team? Buy 5 or more tickets and get 10% off! June 7-9, Kulturbrauerei Berlin or online.
Get yours here: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-16 09:35:08

Scatter-read is one of the most stubborn performance bottlenecks in distributed search. Rishav Sagar and Tejas Shah are at #bbuzz26 with a practical solution: context-aware segments.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-15 17:30:08

Skip Everling and Jo Kristian Bergum, both from Hornet.dev, and are joining #bbuzz26 to talk about agentic retrieval: building search systems that observe, learn and self-optimize over time without constant manual tuning.
Already curious about this session? Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-15 13:08:43

Flink gets talked about a lot. Where does it actually make a difference? Naci Simsek is at #bbuzz26 to share real-world cases where Apache Flink solved concrete, hard problems in production.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-15 17:28:08

What happens when you bring columnar storage and vectorized execution to search? Saurabh Singh and Ankit Jain (OpenSearch) are at #bbuzz26 to walk through what that architectural shift looks like in practice.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-14 13:02:08

Testing tells you what your code does. Formal verification tells you what it can never do wrong. Emilie Ma is at #bbuzz26 to make the case that LLMs are making formal verification genuinely accessible.
Learn more here: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-14 12:53:08

Most organisations lack the visibility to meaningfully reduce their cloud carbon footprint. Julien Nioche (DigitalPebble, creator of SPRUCE) is at #bbuzz26 to show what GreenOps at scale actually looks like with open source tooling.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-13 14:08:07

Xiao Meng and Rafael Aguiar are at #bbuzz26 to introduce Streamling, a lightweight, extensible streaming framework built on Apache DataFusion. A practical look at what's possible with a modern query engine foundation.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-13 15:20:09

The Sease team is back! Alessandro Benedetti, Ilaria Petreti and Anna Ruggero are at #bbuzz26 to walk through what's coming for vector search in Apache Solr 10.
Learn more: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-12 10:08:07

PostgreSQL 18 brings real changes to how constraints work. Gülçin Yıldırım Jelinek (PostgreSQL contributor, Xata) is at #bbuzz26 to walk through what you should know if you're running Postgres in production.
Learn more about this session: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-12 11:00:07

AAA game launch is one of the most demanding stress tests any database can face. Jan Lehnardt (co-creator of Apache CouchDB) is at #bbuzz26 to talk through how they achieved 10x performance gains to meet exactly that challenge.
Learn more about this session: 2026.berlinbuzzwords.de/sessio

@berlinbuzzwords@floss.social
2026-05-11 18:45:09

Most NLP systems are built for a handful of well-resourced languages. Priscilla Lola Adenuga will be at #bbuzz26 to make the case that low-resource languages are one of the best stress tests for NLP data quality.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-11 07:30:09

How you write data matters as much as where you store it. Celeste Horgan (Snowflake, OSS Advocate) is at #bbuzz26 to compare writes across Postgres, Apache Kafka and Apache Iceberg, and what the trade-offs look like in practice.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-11 17:59:08

Upgrading a Solr index usually means downtime or a full reindex. Rahul Goswami (Commvault, Apache Solr contributor) will be at #bbuzz26 to show how he solved it — in-place, zero downtime, tested on 5TB indexes.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-10 12:00:07

Frank Munz (Databricks) is bringing Apache Spark Declarative Pipelines to #bbuzz26, a hands-on look at how the new declarative approach in Spark 4.1 changes the way you build data pipelines.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-09 14:44:07

Why pick one analytics engine when you don't have to? Zoi Kaoudi and Haralampos Gavriilidis (TU Berlin) are at #bbuzz26 to show what Apache Wayang makes possible.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-09 15:20:08

Understanding what a user actually means, not just what they typed, is harder than it looks. Hugo Jimenez and Sandra Bullón are at #bbuzz26 to talk about fine-tuning smaller language models to get query intent right.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-10 12:20:13

One of the things our community keeps coming back for is the Sunday Barcamp, an open, unconference-style day where attendees set the agenda.
Just a room full of people from across the open source data world, figuring out what they want to talk about together. It kicked off #bbuzz25 in the best possible way, and it's back for #bbuzz26 on June 7th. Entry to our barcamp is included in every onsite conference pass.
Will you be there? Get your ticket now: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-07 17:33:51

Neelesh Salian (creator of Floe) is at #bbuzz26 to show a policy-based approach that replaces the tangle of scripts and DAGs.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-07 18:11:07

Yingjun Wu (founder of RisingWave) is at #bbuzz26 to make the case for combining the two, and what that means for observability data at scale.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-08 16:36:07

Getting an agent to work in testing is one thing. Knowing whether it's using the right information in production is another. Apurva Misra (Sentick) is at #bbuzz26 to tackle exactly that.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-06 16:00:16

Daniel Seybold (co-founder of benchANT) is at #bbuzz26 to ask whether PostgreSQL is now a genuine option for analytical workloads, and what the benchmarks actually show.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-06 14:59:07

Aggregation queries don't have to slow everything down. Sandesh Kumar and Shailesh Kumar Singh are at #bbuzz26 to show how Star-Tree indexing in OpenSearch enables constant-time aggregations regardless of dataset size.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-05 17:10:08

Uwe Schindler (Apache Lucene PMC, PANGAEA) is at #bbuzz26 to talk about what's happening to scientific data in the US right now and what our community can do.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-04 11:28:03

Not sure if #bbuzz26 is for you? Have a look at the recordings from last year's edition and see for yourself! 60 sessions, all free on YouTube. Watch here: youtube.com/playlist?list=PLq-
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-04 18:13:03

Can't make it to Berlin this year? No problem! #bbuzz26 is a hybrid conference and online tickets are available, including full livestream access on both conference days.
Get yours here: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-04 14:24:06

Ten years contributing to an open source project teaches you things no documentation ever could. Jason Gerlowski, PMC Chair of Apache Solr, is at #bbuzz26 to share what a decade of OSS security experience actually looks like in practice.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-03 08:32:06

The hardest production failures are the ones that don't crash anything. Bartosz Mikulski is at #bbuzz26 to talk about those silent failures, and what MLOps for agents actually requires.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-03 11:30:09

Building a retrieval system for local news, where getting it wrong actually matters. Marcel Dokters is at #bbuzz26 to talk about the real challenges of making a local news RAG trustworthy.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-03 09:37:07

How do you actually build an environment that teaches a model through interaction? Stefano Fiorucci (deepset) is at #bbuzz26 to get practical about engineering RL environments what works and what doesn't.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-04-30 11:41:08

At #bbuzz26, Kris Jenkins (Lead Developer Advocate at Snowflake & host of the Developer Voices podcast) will be live coding data visualisations with Streamlit built from scratch, on stage, in real time.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-02 14:06:27

Good monitoring tells you when something is bad. But what about the problems that never trigger an alert? Diana Todea (VictoriaMetrics) is at #bbuzz26 to talk about finding those anomalies before they become incidents.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-01 12:36:05

ML is still too much habit, not enough process. William Benton is back at #bbuzz26 to talk about what it actually looks like to change that, making ML disciplined by default.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-01 09:50:08

Varant Zanoyan (co-founder of Zipline AI, creator of Chronon at Airbnb) is joining #bbuzz26 to talk feature chaining and keeping training and serving in sync at scale.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-01 17:01:07

What if improving retrieval makes your agent perform worse? Lester Solbakken (Vespa) is joining #bbuzz26 to dig into this tension, and what it means for building agent systems that work.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-05-01 09:55:06

Bias in datasets doesn't always announce itself, by the time a model fails, the damage is done. At #bbuzz26, Stas Don will show how to catch it before it ever gets that far.
Learn more: 2026.berlinbuzzwords.de/sessio
Get your ticket: 2026.berlinbuzzwords.de/ticket

@berlinbuzzwords@floss.social
2026-04-28 13:37:03

Tickets for #bbuzz26 are now available! Join us June 7-9 at Kulturbrauerei, Berlin for two days of talks, workshops and discussions, plus our Barcamp on Sunday.
We offer a range of ticket categories including Online Only, Reduced, and Group discounts, there’s something for everyone! Get your ticket here: 2026.berlinbuzzwords.de/ticket