LOB segment size is significantly increasing despite of small actual size of data in it
(Doc ID 2326423.1)
Last updated on MARCH 08, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.2.0.1 [Release 12.1 to 12.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata 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.
Symptoms
+ A LOB segment is of size around few hundreds of GB when it is actually of around few hundred of MB only.
+ Also, 'enq: TX - contention' wait event is noticed in peak hours on the same LOB.
Changes
Cause
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |