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Queries on DBA_FREE_SPACE are Slow (Doc ID 271169.1)

Last updated on JULY 05, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 and later
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.

Symptoms

1) Query on dba_free_space takes a long time

2) Excessive IO waits are observed

Changes

 

Cause

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