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Title & Speakers Event

Join us at our first event of the year at The Information Lab on the historic Watling Street in the City of London 🙌 We will be kicking off 2026 by delving into the topic of real-time data with our speakers - Sam, Nicoleta & Anton. We are running this event in collaboration with Confluent.

6pm: Doors Open

6:30pm: Talks Start

🗣️The Speakers🗣️

Load-In to Lights-Out: Data Engineering the World's Biggest Tours and Live Events Sam Malcolm, Head of Architecture & Engineering at Centrus (Sam's Linkedin) Sam’s session dives into lessons from large-scale live event data systems—handling over 10 billion data points per second for global tours like Beyoncé, Coldplay, and Glastonbury. He connects the extreme demands of real-time analytics and high-performance networking to modern cloud data practices, showing how the same principles of speed, resilience, and precision apply when designing reliable, scalable data platforms today.

Should I Stream or Should I Join: From Regular to Delta Joins in Apache Flink Nicoleta Lazar, Senior Data Engineer at Fresha & Anton Borisov, Principal Engineer at Fresha (Niloceta's LinkedIn , Anton's LinkedIn) Joins in the streaming world are where the fun stops and the tradeoffs start. State that grows forever, latency that spikes unpredictably, watermarks that never quite behave, every Flink developer has war stories about this. In this session, Anton Borisov and Nicoleta Lazar break down the join landscape in Apache Flink:

→ Regular joins and the state explosion problem → Interval joins: when they work, when they don't → Temporal joins and the versioned table dance → Lookup joins: the escape hatch and its hidden costs → Delta joins: the new kid and how Fluss enables them, and why it matters

Talks finish by 8pm and there will be a break between the talks. Afterwards, we may head to a pub to continue chatting.

You can sign up by subscribing to this event

🚨IMPORTANT: Please bring a valid form of ID.

See you all on the 22nd January 🤩

Happy Networking 🍻

Checkout Meetup Groups run by Confluent:

  • https://www.meetup.com/london-real-time-data-meetup/
  • https://www.meetup.com/data-streaming-europe/

By attending this event, you agree to abide by our rules of conduct:

  • Respect others' opinions.
  • Keep it appropriate - no harassment of any sort.
  • If you see something or have a complaint, please reach out to one of the organisers or email [email protected].
Data Engineers London: Real Time Data - January 2026

IMPORTANT: PLEASE RSVP @ https://www.meetup.com/data-engineers-london/events/312450363/

Details 6pm: Doors Open

6:30pm: Talks Start

🗣️The Speakers🗣️

Load-In to Lights-Out: Data Engineering the World's Biggest Tours and Live Events Sam Malcolm, Head of Architecture & Engineering at Centrus (Sam's Linkedin) Sam’s session dives into lessons from large-scale live event data systems—handling over 10 billion data points per second for global tours like Beyoncé, Coldplay, and Glastonbury. He connects the extreme demands of real-time analytics and high-performance networking to modern cloud data practices, showing how the same principles of speed, resilience, and precision apply when designing reliable, scalable data platforms today.

Should I Stream or Should I Join: From Regular to Delta Joins in Apache Flink Nicoleta Lazar, Senior Data Engineer at Fresha & Anton Borisov, Principal Engineer at Fresha (Niloceta's LinkedIn , Anton's LinkedIn) Joins in the streaming world are where the fun stops and the tradeoffs start. State that grows forever, latency that spikes unpredictably, watermarks that never quite behave, every Flink developer has war stories about this. In this session, Anton Borisov and Nicoleta Lazar break down the join landscape in Apache Flink:

→ Regular joins and the state explosion problem → Interval joins: when they work, when they don't → Temporal joins and the versioned table dance → Lookup joins: the escape hatch and its hidden costs → Delta joins: the new kid and how Fluss enables them, and why it matters

Talks finish by 8pm and there will be a break between the talks. Afterwards, we may head to a pub to continue chatting.

*** If you are interested in speaking at or hosting a meetup, please reach out to [email protected]

Data Engineers London: Real Time Data - January 2026

IMPORTANT: PLEASE RSVP @ https://www.meetup.com/data-engineers-london/events/312450363/

Details 6pm: Doors Open

6:30pm: Talks Start

🗣️The Speakers🗣️

Load-In to Lights-Out: Data Engineering the World's Biggest Tours and Live Events Sam Malcolm, Head of Architecture & Engineering at Centrus (Sam's Linkedin) Sam’s session dives into lessons from large-scale live event data systems—handling over 10 billion data points per second for global tours like Beyoncé, Coldplay, and Glastonbury. He connects the extreme demands of real-time analytics and high-performance networking to modern cloud data practices, showing how the same principles of speed, resilience, and precision apply when designing reliable, scalable data platforms today.

Should I Stream or Should I Join: From Regular to Delta Joins in Apache Flink Nicoleta Lazar, Senior Data Engineer at Fresha & Anton Borisov, Principal Engineer at Fresha (Niloceta's LinkedIn , Anton's LinkedIn) Joins in the streaming world are where the fun stops and the tradeoffs start. State that grows forever, latency that spikes unpredictably, watermarks that never quite behave, every Flink developer has war stories about this. In this session, Anton Borisov and Nicoleta Lazar break down the join landscape in Apache Flink:

→ Regular joins and the state explosion problem → Interval joins: when they work, when they don't → Temporal joins and the versioned table dance → Lookup joins: the escape hatch and its hidden costs → Delta joins: the new kid and how Fluss enables them, and why it matters

Talks finish by 8pm and there will be a break between the talks. Afterwards, we may head to a pub to continue chatting.

*** If you are interested in speaking at or hosting a meetup, please reach out to [email protected]

Data Engineers London: Real Time Data - January 2026

This November, we will be bringing you a night of data engineering extravaganza at Snowflake HQ 🙌 ✨ in collaboration with the Snowflake User Group.

6pm: Doors Open

🗣️The Speakers🗣️

Intelligent Snowflake Warehouse Management - Konrad Maliszewski, VP Technology at Crisp (Konrad's Linkedin) Konrad’s session explores how Crisp automated Snowflake warehouse management to cut costs and boost efficiency. Using their open-source dbt package dbt-macro-polo, the team built a system that automatically selects the right warehouse size for each workload, adapts by environment, and removes manual scaling. The result: predictable performance, lower compute spend (up to 80% reduction), and a smoother developer experience across teams—all achieved through intelligent automation directly in dbt.

From Stadiums to Snowflake: Lessons in Real-Time Data at Global Scale - Sam Malcolm, Head of Architecture & Engineering at Centrus (Sam's Linkedin) Sam’s session dives into lessons from large-scale live event data systems—handling over 10 billion data points per second for global tours like Beyoncé, Coldplay, and Glastonbury. He connects the extreme demands of real-time analytics and high-performance networking to modern cloud data practices, showing how the same principles of speed, resilience, and precision apply when designing reliable, scalable data platforms today.

Talks finish by 8pm.

You can sign up via responding to this event or via Snowflake User Group.

🚨IMPORTANT: Please bring a valid form of ID.

See you all on the 18th November 🤩

Happy Networking 🍻

By attending this event, you agree to abide by our rules of conduct:

  • Respect others' opinions.
  • Keep it appropriate - no harassment of any sort.
  • If you see something or have a complaint, please reach out to one of the organisers or email [email protected].
Data Engineers London x Snowflake User Group Nov Event

In collaboration with Data Engineers London

Intelligent Snowflake Warehouse Management Konrad’s session explores how Crisp automated Snowflake warehouse management to cut costs and boost efficiency. Using their open-source dbt package dbt-macro-polo, the team built a system that automatically selects the right warehouse size for each workload, adapts by environment, and removes manual scaling. The result: predictable performance, lower compute spend (up to 80% reduction), and a smoother developer experience across teams—all achieved through intelligent automation directly in dbt. From Stadiums to Scaled Data: Lessons in Real-Time Data at Global Scale Sam’s session dives into lessons from large-scale live event data systems—handling over 10 billion data points per second for global tours like Beyoncé, Coldplay, and Glastonbury. He connects the extreme demands of real-time analytics and high-performance networking to modern cloud data practices, showing how the same principles of speed, resilience, and precision apply when designing reliable, scalable data platforms today.

LSUG - Snowflake Warehouse Management & Real-Time Data at Massive Scale

This event is being promoted by many groups.

This is an online event.

Participants can be located anywhere in the world!

This event is free to attend!

Please register here:

How to Make Events More Sustainable! Tickets, Wed, Aug 20, 2025 at 10:00 AM | Eventbrite

(The login link will be sent via email to Eventbrite registrants right before the start of the event.)

Live events are back—and bigger than ever. Concerts, conferences, expos, and festivals are lighting up cities and pumping out carbon, contributing to the 10% of global emissions linked to the events industry.

But here’s the twist: done right, sustainable events can slash emissions, reduce costs, and create unforgettable experiences.

Join us to learn winning sustainability strategies for your events and learn

  • What’s driving the surge in live events post-COVID?
  • What’s behind 10% of global carbon emissions
  • What can we do about it?
  • Measuring impact and progress
  • How to boost attendee experience and impact at the same time
  • What venues and planners can do right now

And more!

Expect bold ideas, real talk, and behind-the-scenes insights from the world of live events.

Save your spot—let’s rethink the stage together.

About the Speaker:

Johanna Behm is a Nordic-born entrepreneur and systems thinker with a global background in B2B SaaS marketing and enterprise event management. Her career spans Fortune 500s, biotech firms, and startups—experiences that shaped her practical, data-driven approach to climate innovation.

Johanna is the founder of Envire, a climate tech company building the digital infrastructure for sustainable events. Envire automates environmental impact tracking for major live event venues by integrating real-time data from utilities and event management systems.

Johanna is on a mission to bring accountability and systems thinking to solve for the event industry’s overlooked 10% share of global carbon emissions. Operating at the intersection of tech, sustainability, and experience design, Johanna offers a unique perspective on how to elevate attendee experience while reducing costs and environmental impact at scale.

Organizational Sponsors:

Envire

Live events account for 10% of global carbon emissions.

Envire is a platform that automates sustainability tracking for major venues like convention centers and arenas—helping their teams co-design Net Zero Carbon Events with artists like Coldplay and conferences like RSA.

GreenEventKit.com

Make Your Event Sustainable – Reusable Cups, Plates, Silverware & More!

Hosting an event?

We can help you reduce waste with our reusable dishware service.

We provide:

  • Reusable cups and water dispensers
  • Plates, forks, knives, and spoons
  • Cloth napkins

Our service includes delivery, setup support, and post-event pickup with full washing. No hassle for you.

Perfect for private events with up to 125 guests.

Affordable. Efficient. Zero waste made easy.(Pricing negotiable)

Try our reusable plates, cups, and silverware at upcoming Idea to IPO events—and come chat with us about zero-waste catering for your own event.

Cut back on disposables. Fight climate change. Let’s make sustainability the standard.

Visit:

https://greeneventkit.com/

How to Make Events More Sustainable!
Doja Cat – guest @ Doja Cat , Rutger – host @ Chartmetric , Coldplay – guest @ Coldplay , Miley Cyrus – guest @ Miley Cyrus , Selena Gomez – guest @ Selena Gomez

Highlights  This week, two huge artists let the track lists of their upcoming albums slip and a couple of other big names released music videos. Let’s see if they reaped any data rewards. Mission   Good morning, it’s Rutger here at Chartmetric with your 3-minute Data Dump where we upload charts, artists, and playlists into your brain so you can stay up on the latest in the music data world.We’re on the socials at “chartmetric” — that’s Chartmetric, one word and no “S.” Follow us on LinkedIn, Instagram, Twitter, or Facebook, and talk to us! We’d love to hear from you.DateThis is your Data Dump for Friday, Oct. 25, 2019.Track List Reveals and Music Videos: Stunts or Bumps?Coldplay and Miley Cyrus let the track listings for their respective upcoming albums drop this week, while Doja Cat and Selena Gomez released some music video eye candy to promote their upcoming album releases.We’re not saying the strategies are mutually exclusive by any means, but what are the actual gains from each, from a data perspective?Coldplay, who cheekily revealed the track list of their upcoming album by posting a classified ad in North Wales’ Daily Post, have been pretty good about staying in the spotlight, but amidst collabs and side projects, they’ve still managed to put together a double album called “Everyday Life,” which is due out Nov. 22.So far, the sneaky announcement has garnered tons of press, helped along by the release of “Arabesque” and “Orphans,” two tracks from each album.It probably didn’t cost them very much, either.While the effect seems relatively negligible now due its two-day freshness, across most platforms, they’re showing signs of an upward trajectory.They’ve gained some 30K Spotify followers, 5K Insta followers, 2K Twitter followers, and 8.5K Wikipedia views. They’ve also increased their Spotify popularity by a point, which is not insignificant in just a day or two’s work.Clearly, Coldplay had a lot of intention behind their track list leak, but Miley Cyrus’ situation is a bit murkier.During a livestream on Instagram on Sunday, viewers spotted a whiteboard behind Miley with a bunch of, well, presumably track names scrawled all over it.It doesn’t look staged, but then again, her upcoming album isn’t exactly a secret, so there could be a bit of guerilla marketing going on there.Seeing as she hasn’t released anything “tangible” this week, her metrics are a bit more stagnant, which is not to diminish her No. 10 rank across eight platforms, according to our Cross-Platform Performance ranking system.Two artists who have some audiovisual tangibility to show are former Disney star Selena Gomez and LA-based rapper Doja Cat.Gomez’s “Look at Her Now” music video has bumped her up in terms of fan acquisition on Spotify, Instagram, Twitter, SoundCloud, and YouTube, but her streams and views aren’t seeing a huge lift … yet.She did just release two new singles within a day of each other, so those follower gains are likely to bump up her listener and views gains in the coming days.Star-on-the-rise Doja Cat was trending hard on Twitter following her music video/single drop of “Rules” and her streaming numbers are climbing and climbing.Just six months ago, Doja was at 1.9M Spotify Monthly Listeners.That number started accelerating in August, from 2.6M to 3.7M, and just this month, she’s gone from 4.6M to nearly 6M. Combined with her half-a-million-Spotify-followers-and-climbing, her Spotify popularity score is edging near the upper echelons of the streaming world.With the kind of attention that Doja’s powerfully provocative video is getting, there’s some definite streaming staying power there.So, while album track list leaks don’t appear to be particularly indicative of a data bump on their own, combined with a double-single release — especially if you’re Coldplay — they can be a relatively inexpensive strategy for generating a lot of attention.There’s nothing like a really cool music video to train and sustain all eyes on an artist, though.OutroThat’s it for your Daily Data Dump for Friday, Oct. 25, 2019. This is Rutger from Chartmetric.Free accounts are available at chartmetric.com And article links and show notes are at: podcast.chartmetric.comIf you haven’t downloaded 6MO, our Global Music Industry Data Report, yet, you can find it all across our socials and in our show notes!Happy Friday, have a great weekend, and we’ll see you next week! 

Marketing Data Streaming
How Music Charts
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