prestocon

Prestissimo Extension for AI Training Data Normalization at Meta: A Deep Dive for Developers (Lightning Talk)
By Saurabh Mahawar August 23, 2025August 23, 2025
At PrestoCon Day 2025, Meta’s Presto team recently unveiled the Prestissimo extension, a powerful enhancement designed to optimize AI training data normalization. This article explores the technical underpinnings and developer-centric features of this extension, providing a comprehensive understanding of how it supports large-scale AI workloads at Meta. Understanding AI Training Data Storage at Meta At…
Read More Prestissimo Extension for AI Training Data Normalization at Meta: A Deep Dive for Developers (Lightning Talk)
Presto C++ Unleashed: Dynamically Load Unfenced UDFs, End Rebuilds, and Boost Performance
By Saurabh Mahawar August 22, 2025August 22, 2025
Dynamic loading in Presto C++ is revolutionizing how developers build and deploy user-defined functions (UDFs). At PrestoCon Day 2025 , Soumya Duriseti explained how Presto C++ now supports dynamic loading of unfenced UDFs, eliminating the need for time-consuming static builds and making it easier than ever to add custom logic without rebuilding the entire binary….
Read More Presto C++ Unleashed: Dynamically Load Unfenced UDFs, End Rebuilds, and Boost Performance
Building Connectors in Presto C++: Deep Dive into the TPCDS Connector (Lightning Talk)
By Saurabh Mahawar, Pramod Satya & Pratik Joseph Dabre August 20, 2025August 20, 2025
At PrestoCon Day 2025, engineers from IBM presented a deep dive into how connectors in Presto C++ extend the engine’s modular capabilities, focusing on the newly implemented TPCDS benchmark connector. Connectors are central to Presto’s architecture, enabling the query engine to communicate seamlessly with external systems such as databases, file formats, or benchmark data generators….
Read More Building Connectors in Presto C++: Deep Dive into the TPCDS Connector (Lightning Talk)
Presto’s Intelligent Future: Leveraging RAG and LLM’s for Smarter Query Execution
By Saurabh Mahawar August 12, 2025August 12, 2025
At PrestoCon Day 2025, Satej Sahu (Principal Data Engineer at Zalando SE) introduced the Self-Healing Query Connector for Presto, an AI-powered upgrade designed to make query troubleshooting faster, smarter, and more reliable. By combining Large Language Models with live query data, including logs, explain plans, and schema details it delivers accurate, context-aware solutions that improve…
Read More Presto’s Intelligent Future: Leveraging RAG and LLM’s for Smarter Query Execution
Revolutionizing Presto C++: Unleashing Native Power with the Sidecar
By Saurabh Mahawar, Pramod Satya & Pratik Joseph Dabre August 10, 2025August 11, 2025
At PrestoCon Day 2025, we unveiled the Presto Sidecar, a powerful enhancement for Presto C++ (Velox) clusters that transforms how coordinators interact with native workers. This innovation removes long-standing blind spots in query planning by giving the coordinator real-time visibility into native worker capabilities – such as supported functions, data types, session properties, and plan…
Read More Revolutionizing Presto C++: Unleashing Native Power with the Sidecar
Unlocking Petabyte-Scale Performance: Uber’s Journey with Presto for Distributed Cache using Alluxio
By Saurabh Mahawar August 8, 2025August 28, 2025
At PrestoCon Day 2025, Uber presented their innovative solution for optimizing petabyte-scale data analytics by deploying a distributed cache using Alluxio for Presto. Their journey was driven by significant challenges during a massive cloud migration, including read slowness and overwhelming HDFS clusters on-premises, and later high GCS egress costs and file access charges in the…
Read More Unlocking Petabyte-Scale Performance: Uber’s Journey with Presto for Distributed Cache using Alluxio
Unleashing Interactivity: Inside Meta’s Presto-Powered Data Warehouse Innovation
By Saurabh Mahawar August 7, 2025August 7, 2025
At this year’s PrestoCon Day, Meta had an awesome session to share the latest on what they’re doing with Presto. As you probably know, Meta has one of the largest data Lakehouse’s in the world and Presto is a critical piece of that data platform. It plays a critical role in serving vast and diverse…
Read More Unleashing Interactivity: Inside Meta’s Presto-Powered Data Warehouse Innovation
PrestoCon 2024 Recap: Celebrating Community and Showcasing Innovation
By Ali LeClerc December 12, 2024December 12, 2024
PrestoCon 2024 wrapped up last week, and it was truly inspiring to see so many members of our vibrant community come together in person. There’s something special about connecting face-to-face, exchanging ideas, and sharing a collective passion for Presto. Events like this strengthen the bonds within our community and remind us why open source thrives…
Read More PrestoCon 2024 Recap: Celebrating Community and Showcasing Innovation
PrestoCon Day 2024: Optimizing Data Analytics at Etisalat Egypt with Presto
By Ali LeClerc July 23, 2024July 23, 2024
This is our first blog in our PrestoCon Day 2024 recap series! At PrestoCon Day we had Mohamed Taha, Senior Data Engineer at Etisalat Egypt, present his team’s journey in optimizing data analytics using Presto. In this blog we’ll attempt to highlight the key points and take-away’s from Mohamed’s talk (which was awesome!) Quick…
Read More PrestoCon Day 2024: Optimizing Data Analytics at Etisalat Egypt with Presto
Recap of PrestoCon Day 2024: Presto C++, performance, new connectors, use cases, and so much more
By Ali LeClerc July 2, 2024July 2, 2024
Last week the Linux Foundation/Presto Foundation hosted PrestoCon Day 2024, our annual virtual community event about the open-source Presto project. Throughout the day hundreds of data enthusiasts, engineers, and industry leaders from around the globe joined us to learn more about and celebrate the power of Presto. Big shout out to our sponsors who helped…
Read More Recap of PrestoCon Day 2024: Presto C++, performance, new connectors, use cases, and so much more
Top 3 reasons why you should attend PrestoCon 2023: Halloween Edition
By Ali LeClerc October 31, 2023October 31, 2023
Two days of Presto, hands-on workshops, and Prestissimo…oh my! Happy Halloween, Presto community! Over the last few weeks, I’ve had people reach out to ask more about PrestoCon 2023, so I figured I’d write a blog to share my thoughts. First, a quick overview: When: December 5-6th, 2023 at the Computer History Museum in Mountain View,…
Read More Top 3 reasons why you should attend PrestoCon 2023: Halloween Edition
Recapping PrestoCon Day 2023 – Presto for the Data Lakehouse, Presto at scale
By Ali LeClerc June 23, 2023September 14, 2023
Just a few weeks ago we hosted PrestoCon Day, our annual virtual community conference. Thank you to everyone who attended – it was an awesome day! We had a fantastic agenda with many Presto users sharing why they chose Presto and how they’re using it to power some pretty sizable workloads. Sign up for the…
Read More Recapping PrestoCon Day 2023 – Presto for the Data Lakehouse, Presto at scale
A recap of PrestoCon 2022 – Bringing Data Lakehouse Analytics to Life (plus a special video recap)
By Ali LeClerc January 9, 2023September 14, 2023
Last month the Computer History Museum in Mountain View, California, reverberated with “all things Presto,” at our PrestoCon 2022 conference. Back for the third time—and the first time post-pandemic—PrestoCon was ground zero for training, knowledge sharing, and inspiration about the open-source Presto for data analytics and lakehouses, as well as for the vibrant Presto community….
Read More A recap of PrestoCon 2022 – Bringing Data Lakehouse Analytics to Life (plus a special video recap)
5 Reasons to attend PrestoCon 2022 on Dec. 7-8.
By Rohan Pednekar & Steven Mih November 28, 2022September 22, 2023
The annual PrestoCon is coming back for its 3rd year and it’s going to be better than ever! If you want to learn how to use Presto with confidence and/or network with data engineers, this is the event for you. PrestoCon 2022 will be held in Mountain View, California on December 7th and 8th. The…
Read More 5 Reasons to attend PrestoCon 2022 on Dec. 7-8.
Presto Foundation and PrestoDB: Our Commitment to the Presto Open Source Community
By Girish Baliga, Tim Meehan, Dipti Borkar, Zhenxiao Luo, Steven Mih & Bin Fan June 14, 2021September 21, 2023
We recently wrapped up an amazing PrestoCon Day attended by over 600 people from across the globe. The technical discussions and the panel was a clear indication of the growing community. We showcased a number of features contributed by various companies that continue to advance the mission of Presto open source, reiterating our commitment to…
Read More Presto Foundation and PrestoDB: Our Commitment to the Presto Open Source Community
2020 Recap – A Year with Presto
By Dipti Borkar January 12, 2021September 21, 2023
Tl;dr: 2020 was a huge year for the Presto community. We held our first major conference, PrestoCon, the biggest Presto event ever. We had a massive expansion of our meetup groups with more than 20 sessions held throughout the year, and significant innovations were contributed to Presto! This year has certainly been unique, to say…
Read More 2020 Recap – A Year with Presto
PrestoCon and Growing Industry Consortium – Intel and Upsolver Join Presto Foundation
By Girish Baliga November 20, 2020September 21, 2023
Presto Foundation joined the Linux Foundation over a year ago, and has been focused on growing the Presto open source project and community. We encourage industry involvement with an open charter, clear guiding principles, and community-oriented goals. We recently hosted PrestoCon 2020, our first annual community conference, which was widely attended and well represented by…
Read More PrestoCon and Growing Industry Consortium – Intel and Upsolver Join Presto Foundation
Announcing PrestoCon 2020: Advancing the Big Data Ecosystem with Presto
By Nezih Yigitbasi February 13, 2020September 21, 2023
On March 24, 2020 in San Mateo, the Presto Foundation, in partnership with The Linux Foundation, will be hosting the organization’s first-ever PrestoCon. The event, one of the first Presto-focused full-day conferences ever held, will feature speakers from Uber, Facebook, and Twitter, as well as tech talks from other major Presto contributors and enthusiasts. Presto,…
Read More Announcing PrestoCon 2020: Advancing the Big Data Ecosystem with Presto