Tag
adaptive-execution
- Sep 8, 2025 Adaptive Partitioning and Runtime Repartitioning How a shuffle writer reports per-partition sizes at the stage barrier, and how coalescing and splitting use that report to correct a partition count chosen before the data was read. data engineering
- Dec 6, 2022 Adaptive Execution: Runtime Filters and Mid-Query Replanning How a running plan uses observed cardinalities to change join strategy, and how bloom filters and partition pruning eliminate work before it happens. databases