Vlad Mihalcea ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMjJmYzYyZjY0... ) / Improvement ( https://hibernate.atlassian.net/browse/HHH-13879?atlOrigin=eyJpIjoiMjJmYz... ) HHH-13879 ( https://hibernate.atlassian.net/browse/HHH-13879?atlOrigin=eyJpIjoiMjJmYz... ) Slow query log should use System#nanoTime not System#currentTimeMillis ( https://hibernate.atlassian.net/browse/HHH-13879?atlOrigin=eyJpIjoiMjJmYz... ) Issue Type: Improvement Affects Versions: 5.4.12 Assignee: Vlad Mihalcea ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Components: hibernate-core Created: 25/Feb/2020 06:26 AM Priority: Major Reporter: Vlad Mihalcea ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Currently, the slow query log using `System#currentTimeMillis`, that is not suitable for calculating time durations, as stated by the Java Doc: We should use `nanoTime` instead. ( https://hibernate.atlassian.net/browse/HHH-13879#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-13879#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#100121- sha1:a269fed )