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Delta Lake

@deltalakeoss

Delta Lake is an open-source storage framework that enables building a Lakehouse architecture for Spark, Flink, Trino, Hive, Scala, Java, Rust, Python, & more.

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๐Ÿ“ฃ In case you missed it!

We recently hosted a deep dive on how ๐—–๐—ผ๐—ป๐—ณ๐—น๐˜‚๐—ฒ๐—ป๐˜ ๐—ง๐—ฎ๐—ฏ๐—น๐—ฒ๐—ณ๐—น๐—ผ๐˜„ and the ๐——๐—ฒ๐—น๐˜๐—ฎ ๐—ž๐—ฒ๐—ฟ๐—ป๐—ฒ๐—น automate the move from Kafka to Databricks Unity Catalogโ€”eliminating the need for fragile, manual ETL.

๐ŸŽฅ Catch the full replay on YouTube: youtube.com/live/Q8yxLKh...

#opensource #deltalake

23.12.2025 13:43 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Delta Lake: The Definitive Guide ๐ŸŽ‰ 1 Year Anniversary Virtual Celebration! ยท Luma ๐ŸŽ‰ Delta Lake: The Definitive Guide - 1 Year Anniversary Virtual Celebration! We are thrilled to invite you to a special virtual event celebrating the one-yearโ€ฆ

1 WEEK AWAY โžก๏ธ ๐——๐—ฒ๐—น๐˜๐—ฎ ๐—Ÿ๐—ฎ๐—ธ๐—ฒ: ๐—ง๐—ต๐—ฒ ๐——๐—ฒ๐—ณ๐—ถ๐—ป๐—ถ๐˜๐—ถ๐˜ƒ๐—ฒ ๐—š๐˜‚๐—ถ๐—ฑ๐—ฒ - ๐Ÿญ ๐—ฌ๐—ฒ๐—ฎ๐—ฟ ๐—”๐—ป๐—ป๐—ถ๐˜ƒ๐—ฒ๐—ฟ๐˜€๐—ฎ๐—ฟ๐˜† ๐—ฉ๐—ถ๐—ฟ๐˜๐˜‚๐—ฎ๐—น ๐—–๐—ฒ๐—น๐—ฒ๐—ฏ๐—ฟ๐—ฎ๐˜๐—ถ๐—ผ๐—ป! ๐ŸŽ‰

Join us next Wednesday, December 17th, as we celebrate a huge milestone: the one-year anniversary of the publication of Delta Lake: The Definitive Guide! ๐Ÿ™Œ

๐Ÿ”— Secure your spot: luma.com/1yearcelebra...

#oss

10.12.2025 17:46 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Delta Lake: The Definitive Guide ๐ŸŽ‰ 1 Year Anniversary Virtual Celebration! ยท Luma ๐ŸŽ‰ Delta Lake: The Definitive Guide - 1 Year Anniversary Virtual Celebration! We are thrilled to invite you to a special virtual event celebrating the one-yearโ€ฆ

๐ŸŽ‰ Itโ€™s been one year since the release of ๐——๐—ฒ๐—น๐˜๐—ฎ ๐—Ÿ๐—ฎ๐—ธ๐—ฒ: ๐—ง๐—ต๐—ฒ ๐——๐—ฒ๐—ณ๐—ถ๐—ป๐—ถ๐˜๐—ถ๐˜ƒ๐—ฒ ๐—š๐˜‚๐—ถ๐—ฑ๐—ฒ, and weโ€™re throwing a virtual party to celebrate the milestone!

๐Ÿ”น ๐—–๐—ฒ๐—น๐—ฒ๐—ฏ๐—ฟ๐—ฎ๐˜๐—ฒ ๐˜๐—ต๐—ฒ ๐——๐—ฒ๐—ณ๐—ถ๐—ป๐—ถ๐˜๐—ถ๐˜ƒ๐—ฒ ๐—š๐˜‚๐—ถ๐—ฑ๐—ฒ
๐Ÿ”น ๐—”๐˜€๐—ธ ๐—จ๐˜€ ๐—”๐—ป๐˜†๐˜๐—ต๐—ถ๐—ป๐—ด (๐—”๐—จ๐—”)
๐Ÿ”น ๐—ฆ๐˜„๐—ฎ๐—ด ๐—š๐—ถ๐˜ƒ๐—ฒ๐—ฎ๐˜„๐—ฎ๐˜†

๐Ÿ“… Dec 17
โฐ 9:00AM PT
๐Ÿ”— Register: luma.com/1yearcelebra...

#deltalake #opensource #oss

04.12.2025 16:18 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Flight SQL + Delta: Building the Future of High-Speed Data Exchange ยท Luma Join us for an in-depth, interactive session on Flight SQL and Delta integration, showcasing how open technologies like Apache Arrow Flight, DataFusion, andโ€ฆ

Weโ€™re diving deep into Flight SQL + Delta to show how open technologies like Apache Arrow Flight, #DataFusion, & Delta Lake are reshaping high-performance analytics. ๐Ÿš€

๐Ÿ—“๏ธ Nov 11
๐Ÿ• 9:00 AM PT
๐Ÿ”— RSVP: luma.com/delta-1111

Get ready to see data exchange the way it should be โ€” fast, distributed, & open.

23.10.2025 22:52 ๐Ÿ‘ 2 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Did you know you can easily enable Variant Type in existing Delta tables? ๐Ÿ’ก Just run an ALTER TABLE command to activate the Delta feature: `variantType`.

Watch the full webinar โžก๏ธ www.youtube.com/live/0BfUG2P...

#DeltaLake #OpenSource #OSS

16.10.2025 18:48 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Open Lakehouse + AI ยท Events Calendar View and subscribe to events from Open Lakehouse + AI on Luma. Open Lakehouse + AI is a global community advancing open lakehouse and AI through adoption, sharing real-world use cases, and collaborati...

Whatโ€™s next?โ€‹
๐Ÿ”น October 30: Webinar โ€” The Failed Promises of Data Lineage: Why More Metadata Isnโ€™t the Answerโ€‹
๐Ÿ”น November 13: Mini Summit โ€” Mountain Viewโ€‹
๐Ÿ”น November 24: Meetup โ€” Parisโ€‹

๐Ÿ”— RSVP and details: luma.com/openlakehouse

#opensource #oss #openlakehouse #ai #ducklake #duckdb

15.10.2025 19:13 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Open Lakehouse + AI spotlight: @hannes.muehleisen.org shares how anyone can contribute to DuckDB & DuckLakeโ€”both MIT-licensed, open source, & welcoming PRs and community engagement on GitHub.

Check out this clip to hear how easy it is to get involved and start contributing today. ๐Ÿš€

#openlakehouse

15.10.2025 19:13 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Diving into Streaming Data Design Patterns for Delta Lake ยท Luma Are you wondering if general concepts like data engineering design patterns can help you learn about Delta Lake? Or, if it's possible to leverage Delta Lakeโ€ฆ

โฐ Final reminder: Delta Lake webinar tomorrow!

Can data engineering patterns unlock new Delta Lake insights? How can it power streaming architectures?

Join Scott Haines & Bartosz Konieczny as they tackle these questions head-on!

๐Ÿ”— RSVP: luma.com/delta-1014

#opensource #oss #deltalake #streaming

13.10.2025 16:09 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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The Failed Promises of Data Lineage: Why More Metadata Isnโ€™t the Answer ยท Luma The data world doesnโ€™t need more lineage graphs. Most are overly complex and lack meaningful context. After years of chasing โ€œtotal visibility,โ€ weโ€™ve learnedโ€ฆ

๐Ÿ“ฃ Join us for our next ๐—ข๐—ฝ๐—ฒ๐—ป ๐—Ÿ๐—ฎ๐—ธ๐—ฒ๐—ต๐—ผ๐˜‚๐˜€๐—ฒ + ๐—”๐—œ webinar on October 30 at 9AM PT!

Lineage graphs are complex and low-context. Collecting isnโ€™t the problemโ€”understanding is. Learn how a reasoning layer connects lineage + telemetry into continuous context.

RSVP โžก๏ธ luma.com/openlakehous...

#openlakehouse

10.10.2025 14:50 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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One of the most powerful new capabilities in Delta Lake 4.0 is support for collations, giving you much finer control over how text is compared and sorted. โœ…

In this clip, Youssef Mrini explains how to enable collations.

๐ŸŽฅ Watch the full webinar: youtube.com/live/0BfUG2PZyNs?si=nzcalgk1gvOEFBrY

08.10.2025 19:25 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Diving into Streaming Data Design Patterns for Delta Lake ยท Luma Are you wondering if general concepts like data engineering design patterns can help you learn about Delta Lake? Or, if it's possible to leverage Delta Lakeโ€ฆ

One week to go! ๐Ÿฅณ Curious how data engineering design patterns translate to Delta Lake, & how it fits into streaming architectures?

Join us for a walkthrough of the patterns, features, & best practices powering reliable streaming with #DeltaLake.

๐Ÿ—“๏ธ Oct 14
๐Ÿ• 9AM PT
๐Ÿ”— RSVP: luma.com/delta-1014

#oss

07.10.2025 14:43 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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From Functions to AI Agents: Reimagining the Lakehouse for an Agentic Future ยท Zoom ยท Luma The lakehouse promises a unified platform for analytics, ML, and governance. While modern catalogs offer unified governance, the same uniformity is stillโ€ฆ

Tomorrow, Oct 7 at 9AM PT! Join Ciro Greco & Jacopo Tagliabue from bauplan for a live webinar on how function-based execution & Git-for-Data are reshaping lakehouses for autonomous AI agents. โœ…

Donโ€™t miss the future of agentic data ops!

Secure your spot โžก๏ธ luma.com/OLAI-107

#opensource #lakehouse

06.10.2025 19:14 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Delta Lake is Growing Up: Diving into Our Favorite Features of Delta 4.0 YouTube video by Delta Lake

๐ŸŽฅ Explore a detailed walk-through and the expanded feature set of Delta 4 in this webinar: www.youtube.com/live/0BfUG2P...

#opensource #oss #deltalake #JVM #spark #rust #go

03.10.2025 16:47 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Delta Connect is a plugin atop Spark Connect, introduced in Spark 3.4, and enables gRPC communication using Protocol Buffers. โœ… This allows client implementations in languages such as Rust and Go to interact with Spark outside the JVM, provided they support the protocol.

#opensource #oss #deltalake

03.10.2025 16:46 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

๐Ÿ”น Oct 7: Webinar โ€” From Functions to AI Agents: Reimagining the Lakehouse for an Agentic Future
๐Ÿ”น Nov 13: Mini Summit | Mountain View, CA
๐Ÿ”น Nov 24: Open Lakehouse + AI | Paris, France

Secure your spot: register now on Luma! ๐Ÿ”— luma.com/open-lakehouse

#openlakehouse #oss #opensource #deltalake #ai

30.09.2025 14:30 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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At Open Lakehouse + AI Amsterdam last month, Sammy Sidhuโ€”co-creator of the Daft multi-modal query engine and CEO of Eventualโ€”shared how his open source journey began. ๐Ÿš€

Ready to shape the future of data, open source, and AI together? Join us at our next Open Lakehouse + AI events! โฌ‡๏ธ

#opensource

30.09.2025 14:30 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Exploring Delta's Rust Kernel: A behind the scenes exploration of what secretly powers delta-rs ยท Luma The Delta Lake ecosystem has evolved significantly since 2021, becoming more complex while facing fragmentation challenges across different engineโ€ฆ

๐Ÿš€ Happening today, Sept 30 at 9AM PT!

Join us for a behind-the-scenes look at the Delta Rust Kernel with R. Tyler Croy, Robert Pack, and Scott Haines. Discover how #DeltaLakeโ€™s core is evolving with powerful new features like column mapping and deletion vectors.

๐Ÿ‘‰ Register now: luma.com/delta-0930

30.09.2025 13:45 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Exploring Delta's Rust Kernel: A behind the scenes exploration of what secretly powers delta-rs ยท Luma The Delta Lake ecosystem has evolved significantly since 2021, becoming more complex while facing fragmentation challenges across different engineโ€ฆ

๐Ÿšจ Happening tomorrow!

Get an inside look at how the new Delta Rust kernel is transforming Delta Lake. Learn how it solves fragmentation, enables column mapping & deletion vectors, and why it mattersโ€”even if you donโ€™t touch the kernel.

Register โžก๏ธ luma.com/delta-0930

#opensource #deltalake #oss

29.09.2025 13:39 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Open Lakehouse + AI ยท Events Calendar View and subscribe to events from Open Lakehouse + AI on Luma.

Join us at our next Open Lakehouse + AI events!
๐Ÿ”น Oct 7: Webinar โ€” From Functions to AI Agents: Reimagining the Lakehouse for an Agentic Future
๐Ÿ”น Nov 13: Mini Summit | Mountain View, CA
๐Ÿ”น Nov 24: Open Lakehouse + AI | Paris, France

Register now on Luma! ๐Ÿ”— luma.com/open-lakehouse

#ai #opensource

22.09.2025 14:41 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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โ€œOpen source is giving back, because it means everyone who supports our work can participate and benefit from the software we are making." โ€” @hannes.muehleisen.org (@duckdb.org) at Open Lakehouse + AI Amsterdam ๐Ÿ‡ณ๐Ÿ‡ฑ

Ready to shape the future of data, open source, and AI together? โฌ‡๏ธ

#opensource #oss

22.09.2025 14:40 ๐Ÿ‘ 9 ๐Ÿ” 1 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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Dropping features in #DeltaLake used to break table compatibility and history. Delta 4.0 fixes this by protecting checkpoints and rewriting recent historyโ€”keeping tables safe and stable. ๐Ÿ’ช

๐ŸŽฅ Watch the full webinar replay: www.youtube.com/watch?v=0BfU...

#opensource #oss

19.09.2025 19:00 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Exploring Delta's Rust Kernel: A behind the scenes exploration of what secretly powers delta-rs ยท Luma The Delta Lake ecosystem has evolved significantly since 2021, becoming more complex while facing fragmentation challenges across different engineโ€ฆ

Delta Lake has evolvedโ€”fragmentation is out, the new Rust kernel is in. ๐Ÿš€ Join R. Tyler Croy, Robert Pack & Scott Haines to explore fixes to past issues, new features (column mapping + deletion vectors), and why it matters.

๐Ÿ“… Sept 30
๐Ÿ•œ 9AM PT
๐Ÿ”— Register: luma.com/delta-0930

#DeltaLake #Rust #OSS

17.09.2025 16:54 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Scott Haines & Youssef Mrini will dive into:
๐Ÿ”น Variant Type support
๐Ÿ”น Type-Widening
๐Ÿ”น Collated Columns
๐Ÿ”น Delta Connect

Plus, theyโ€™ll revisit clustering strategies with Liquid Clustering.

See you soon! ๐ŸŒŸ

16.09.2025 13:40 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Delta Lake is Growing Up: Diving into Our Favorite Features of Delta 4.0 ยท Luma Delta 4.0 is here and weโ€™re really excited to share our favorite new features with you. In this session, join Youssef Mrini and Scott Haines as they walk youโ€ฆ

๐Ÿšจ Only a couple hours to go โ€” Find out what's new in #DeltaLake 4.0!

๐ŸŽฅ LIVE on LinkedIn, X & YouTube
๐Ÿ—“๏ธ Sept 16
๐Ÿ•‘ 9AM PT / 12PM ET

๐Ÿ”— Register now: luma.com/delta-0923

#opensource #oss #linuxfoundation

16.09.2025 13:38 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Delta Lake Live! - YouTube

Missed the Delta Live! Rust hacking sessions with R. Tyler Croy and Robert Pack? ๐Ÿค”

Catch up on the action as they dive into Rust development for Delta Lake, showcasing real-time coding, debugging, and problem-solving.

๐ŸŽฅ Watch here: youtube.com/playlist?lis...

#opensource #deltalake #livehacking

15.09.2025 20:31 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Delta Lake is Growing Up: Diving into Our Favorite Features of Delta 4.0 ยท Luma Delta 4.0 is here and weโ€™re really excited to share our favorite new features with you. In this session, join Youssef Mrini and Scott Haines as they walk youโ€ฆ

The countdown is onโ€”our Delta 4.0 webinar is next week! ๐Ÿš€

Join Youssef Mrini and Scott Haines as they explore the powerful new features in Delta 4.0 that can transform how you design and optimize data workflows.

๐Ÿ—“๏ธ Tuesday, Sept 16
๐Ÿ• 9:00AM PT
๐Ÿ”— Save your spot: luma.com/delta-0923

#oss #deltalake

11.09.2025 15:31 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Upcoming Webinar โžก๏ธ Exploring Deltaโ€™s Rust Kernel: a look behind the scenes at what powers delta-rs!

Join R. Tyler Croy, Robert Pack & Scott Haines to learn how kernel changes deliver consistency, new features & faster performance for Delta engines.

๐Ÿ“… Sept 30 @ 9AM PT
๐Ÿ”— RSVP: luma.com/delta-0930

10.09.2025 16:07 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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๐Ÿ“ฃ Mark your calendar for Tuesday, October 7 at 9AM PT for the next Open Lakehouse + AI webinar: โ€œFrom Functions to AI Agents: Reimagining the Lakehouse for an Agentic Future!โ€ ๐Ÿš€

๐Ÿ”— Register here: luma.com/OLAI-107

#opensource #deltalake #agentic #aiagents #oss

09.09.2025 17:45 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Excited to announce Delta Live! Live Rust Hacking and AMA โ€” streaming tomorrow, Sept 9 on Twitch. ๐Ÿ‘

Join R. Tyler Croy and Robert Pack for a hands-on Rust session and live Q&A!

๐Ÿ“… Sept 9
โฐ 7AM PT / 10AM ET
๐Ÿ”— twitch.tv/agentdero

Bring your questions and gain insights from #DeltaLake maintainers. ๐Ÿฆ€

08.09.2025 14:33 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Delta Lake is Growing Up: Diving into Our Favorite Features of Delta 4.0 ยท Luma Delta 4.0 is here and weโ€™re really excited to share our favorite new features with you. In this session, join Youssef Mrini and Scott Haines as they walk youโ€ฆ

Delta 4.0 brings powerful new features that can reshape how you design and optimize your data workflows. ๐Ÿš€ Join Youssef Mrini & Scott Haines as they break down their favorite features!

๐Ÿ—“๏ธ Tuesday, Sept 16
๐Ÿ• 9:00 AM PT
๐Ÿ”— RSVP: luma.com/delta-0923

#opensource #oss #deltalake #linuxfoundation

05.09.2025 15:10 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0