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AWS AmazonRDS documentation change

Service: AmazonRDS · 2025-05-25 · Documentation low

File: AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.md

Summary

Added adaptive join feature documentation for query optimization

Security assessment

The change describes a performance optimization feature without security implications.

Diff

diff --git a/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.md b/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.md
index 3f08c9229..7851b867d 100644
--- a//AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.md
+++ b//AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.md
@@ -91,0 +92,2 @@ This release of Aurora PostgreSQL is compatible with PostgreSQL 17.4. For more i
+  * Added adaptive join (preview feature) to dynamically optimize query performance by switching from nested loop to hash join operations at runtime when the PostgreSQL optimizer makes suboptimal join choices due to cardinality estimate errors. For more information on adaptive join, see [Improving query performance using adaptive join](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/user-apg-adaptive-join).
+