Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiYWExMTA4MTRi... ) / Improvement ( https://hibernate.atlassian.net/browse/HHH-16728?atlOrigin=eyJpIjoiYWExMT... ) HHH-16728 ( https://hibernate.atlassian.net/browse/HHH-16728?atlOrigin=eyJpIjoiYWExMT... ) Optimise iteration of AssociationType properties within a Persister ( https://hibernate.atlassian.net/browse/HHH-16728?atlOrigin=eyJpIjoiYWExMT... ) Issue Type: Improvement Assignee: Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Components: hibernate-core Created: 31/May/2023 09:57 AM Fix Versions: 6.3.0 Labels: performance Priority: Minor Reporter: Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) AbstractEntityInitializer apparently needs to go through all properties in a hot loop to find if there’s any unique key that needs processing. This is unusually costly, we can avoid it by precomputing the set of unique keys at cost of exposing a new getter on EntityPersister. ( https://hibernate.atlassian.net/browse/HHH-16728#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16728#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100225- sha1:a994ca2 )