How to Troubleshoot Slow Login / Login Hang issues with Database User Authentication?
(Doc ID 2724913.1)
Last updated on NOVEMBER 17, 2020
Applies to:Oracle Database Cloud Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
This document is meant to describe some known causes and solutions for slow login / login hang of Database user connection. This doesn't apply for multiple different ordinary users concurrently logging in to separate accounts.
This document describes an issue which would ONLY occur when multiple concurrent logons using the correct password are performed to the same account concurrently while at the same time some concurrent logon attempts are made with the wrong password, causing the "Failed Login Delay" code to acquire an exclusive lock to enforce the failed login delay (one second usually).
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