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 laterOracle 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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