VMware Tanzu Greenplum
Optimizing Columnar Storage in Tanzu Greenplum, Part 2: Accelerating Hash Joins with Early Join Filtering
This post walks through Early Join Filtering (EJF) in Tanzu Greenplum 7.9. This extends the "read less, decide early" architecture to hash joins as EJF filters out non-matching rows before payload columns are ever materialized, delivering the query speed of an indexed table without the maintenance overhead.
