How To Determine If Advanced Compression Is Used by DataPump?
(Doc ID 1993134.1)
Last updated on MAY 17, 2021
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 11.2 to 12.1]
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 Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
By default Advanced Compression Option (ACO) is used when unloading the metadata (content=metadata_only, default option) with DataPump. So logically DataPump surely is using compression but only for metadata. But since as per licensing policies, using metadata_only is free, we are not considering this feature used when running a DataPump job without explicitly specifying a non-default compression option.
How to check if Advanced Compression (ACO) is used by DataPump?
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