Why Does DataPump Export (EXPDP) With COMPRESSION=ALL Take Longer Than A DataPump Job With Default Compression?

(Doc ID 2327569.1)

Last updated on NOVEMBER 14, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Information in this document applies to any platform.

Goal

Why does a DataPump export with COMPRESSION=ALL is running longer than a DataPump export where compression is not used in the command, e.g default compression (metadata_only) is used?

Solution

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