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FOSS 2025: From Source Code to Source of Truth: 30 Years of Open Source Database Evolution

Alkin Tezuysal speaks at FOSS 2025. The goal is to bring academia, industry, and open communities together around the practical use of Free and Open Source Software (FOSS) in education, research, and business. The event is hosted by Chernihiv Polytechnic National University.
This talk traces the evolution of open source databases over the past three decades—from the early rise of MySQL and PostgreSQL to the NoSQL wave and today’s real-time, AI-driven architectures. We’ll explore the shifting landscape of transactional vs. analytical systems and spotlight ClickHouse as a game-changing columnar engine redefining performance at scale. Learn how community-driven innovation, cloud disruption, and new workloads are shaping the future of open data infrastructure.

Texas Linux Festival 2025 Talk: Magical Mystery Tour: A Roundup of Observability Datastores

Joshua Lee - Open Source Developer Advocate at Altinity, will be speaking at Texas Linux Festival 2025.
Come and enjoy Joshua's talk - Magical Mystery Tour: A Roundup of Observability Datastores.
From plain-old Postgres to the LGTM stack, ELK, Cassandra, and ClickHouse, the landscape of telemetry storage options is as vast as it is overwhelming.
In this talk, Joshua will guide attendees through the foundational principles of telemetry—covering metrics, traces, logs, profiles, and wide events—and break down the strengths and limitations of different database technologies for each use case.

Altinity Event: Real-Time Data Lakes

Real-time databases are integrating with data lakes to reduce storage costs and share data with AI and data science. Please join us to hear from a range of experts as they share current problems and solutions while navigating the transition from closed storage models to open table formats like Apache Iceberg.
​​Join us in London for an evening with experts from ClickHouse®, AWS, and Snowflake. Learn how to build high-performance real-time data lake systems. Networking to follow presentations. Food and drink provided!

Open Source Analytics Conference 2025: AI-Powered Alert Analysis with ClickHouse Cloud

The Open Source Analytics Conference (OSA CON) is the go-to conference for all things open-source analytics. Learn, share, connect, and explore the latest in data ingestion, orchestration, databases, infrastructure, governance, visualization, and AI. Join the doers of the modern data stack.
Our colleague, Alkin Tezuysal - Director of Services at Altinity, will share with us their knowledge through the following talk - AI-Powered Alert Analysis with ClickHouse Cloud Databases.

SeaGL 2025 Talk: What’s a Data Lake and What Does It Mean For My Open Source Analytics Stack?

Our CEO, Robert Hodges, is presenting the talk What’s a Data Lake and What Does It Mean For My Open Source Stack? at the SeaGL 2025 Conference. The 2025 conference will be held November 7-8.
Data lakes on open table formats like Iceberg are a popular way to manage large datasets for analytics, data science, and AI. This talk explains how data lakes work and how to adapt open-source analytic stacks to use them. First, we'll tour projects like Arrow, Iceberg, and Unity Catalog that make data lakes possible. Next, we'll see how analytics engines like DuckDB, ClickHouse, and Spark are adapting. Finally, we'll survey a few projects that enable applications written in Python, Golang, or Rust to deliver fast queries. You'll have to build the app yourself, but this talk will show you a path to use data lakes and open source successfully.

BIG DATA CONFERENCE EUROPE 2025: Running Non-Cloud-Native Databases in Cloud-Native Environments: Challenges and Solutions

Big Data Conference Europe is a four-day event that focuses on technical discussions in the areas of Big Data, High Load, Data Science, Machine Learning, and AI. The conference comprises a series of workshops and sessions, aimed at bringing together developers, IT professionals, and users, to share their experience, discuss best practices, describe use cases and business applications related to their successes. The event is designed to educate, inform, and inspire – organized by people who are passionate about Big Data and Data Exploration.
Our colleague, Alkin, will present the talk: Running Non-Cloud-Native Databases in Cloud-Native Environments: Challenges and Solutions.

Open Source Experience 2025: Scaling Analytics with ClickHouse® in Cloud-Native Environments

Alkin Tezuysal speaks at Open Source Experience. The conference is the Tech – Usage – Business event dedicated to Open Source IT solutions, bringing together over 4,000 professionals and players in the digital sector over 2 days!
Open Source Experience focuses on open source technologies, solutions and challenges in France and Europe, and highlights the driving role of open source innovations in the digital transformation of organisations in technologies such as AI, Data Management, Cloud, and Cybersecurity.
ClickHouse is a high-performance columnar database designed for analytical workloads, but running it efficiently in cloud-native environments presents unique challenges. Alkin's talk explores the architecture of ClickHouse and provides strategies for scaling it to handle massive data streams in containerized and distributed systems.