Why Gluten? Gluten bridges the gap between Spark's scalability and native engine performance — no query changes required.

Gluten's target users include anyone who wants to fundamentally accelerate Spark SQL. As a plugin to Spark, Gluten requires no …

Jul 9, 2026 · DynamicOffHeapSizingMemoryTarget relies on JVM heap shrinking (returning committed heap pages to the OS) to …

May 28, 2026 · This document covers the memory management system within the Velox backend of Apache Gluten. It details how …

Jul 1, 2026 · This page provides comprehensive coverage of Gluten's Velox backend memory management and spilling strategies, …

Gluten use off-heap memory for certain operations. The absolute amount of memory which can be used for off-heap allocation, in …

Gluten use off-heap memory for certain operations. The absolute amount of memory which can be used for off-heap allocation, in …

Gluten — Latin for "glue" — bridges exactly that gap: it keeps Spark's planner, scheduler, and distributed control flow intact, and …

The basic rule of Gluten’s design is that we would reuse spark’s whole control flow and as many JVM code as possible but offload …

Gluten requires setting both on-heap and off-heap memory sizes, which initializes different memory layouts. Improper configuration of …