https://www.pistack.xyz/tags/sql-engines/ Recent content in Sql-Engines on Pi Stack Hugo en-us Thu, 14 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-14-self-hosted-data-processing-engines-databend-vs-datafusion-vs-ballista-guide/ Thu, 14 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-14-self-hosted-data-processing-engines-databend-vs-datafusion-vs-ballista-guide/ <p>In the modern data stack, choosing the right data processing engine is critical for running analytics, ETL pipelines, and ad-hoc queries at scale. Three open-source projects have emerged as leading choices for self-hosted data processing: <strong>Databend</strong>, <strong>Apache DataFusion</strong>, and <strong>Apache Ballista</strong>. Each takes a fundamentally different approach — from a complete cloud data warehouse to an embeddable query engine to a distributed compute cluster.</p>