Troubleshooting 'enq: FB - contention' Format Block Enqueues.
(Doc ID 1379986.1)
Last updated on AUGUST 24, 2021
Applies to:Oracle Database - Enterprise Edition
Oracle Database Cloud Schema 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
Information in this document applies to any platform.
***Checked for relevance on 02-Sep-2016***
Database performance may get affected, inserts/DML might become slow.
To understand enq: FB Contention, impact of this on Database Performance and how to resolve this contention.
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In this Document
|If this wait appears in the Top 5 waits, one can look to implement the following:|