Where Spark leaves you in the dark: Engine choices that cut costs

Kyle Weller, VP of Product @ Onehouse

Compare Apache Spark™, Trino, ClickHouse, and StarRocks. See where each excels and when to mix engines. Review build vs buy tradeoffs. Watch a demo of Onehouse Quanton that shows 2x to 3x savings on Spark workloads. Leave with a simple roadmap to run specialized engines for lower cost and higher reliability.

Key takeaways:

  • Match engines to workloads for price and performance wins
  • When to keep Spark and when to shift to Trino, ClickHouse, or StarRocks
  • Build vs buy criteria that prevent hidden ops costs
  • How Quanton optimizes Spark for 2x to 3x savings
  • A practical deployment framework for multi-engine stacks

Learn more from our co-chair sponsor Onehouse:

Where & when?

Open Source Data Summit 2025 was held on November 13th, 2025.

What is the cost of access to the live virtual sessions?

OSDS is always free and open to all.

What is Open Source Data Summit?

OSDS is a peer-to-peer gathering of data industry professionals, experts, and enthusiasts to explore the dynamic landscape of open source data tools and storage.

The central theme of OSDS revolves around the advantages of open source data products and their pivotal role in modern data ecosystems.

OSDS is the annual peer hub for knowledge exchange, fostering a deeper understanding of open source options and their role in shaping the data-driven future.

Who attends OSDS?

OSDS is attended by data engineers, data architects, developers, DevOps practitioners and managers, and data leadership.

Anyone looking for enriched perspectives on open source data tools and practical insights to navigate the evolving data landscape should attend this event.

Example topics for Open Source Data Summit:
  • Benefits of open source data tools
  • Cost/performance trade-offs
  • Building data storage solutions
  • Challenges surrounding open source data tool integration
  • Solutions for the cost of storing, accessing, and managing data
  • Data streams and ingestion
  • Hub-and-spoke data integration models
  • Choosing the right engine for your workload
Are you interested in speaking or sponsoring the next Open Source Data Summit?

Submit a talk proposal here or reach out to astronaut@solutionmonday.com.

That's a wrap for 2025! Enter your email address below for access to the 2025 sessions on-demand and news about the 2026 summit!!