DataPump Metadata Export (EXPDP) Is Slow

(Doc ID 1986328.1)

Last updated on NOVEMBER 05, 2017

Applies to:

Oracle Database - Standard Edition - Version 11.2.0.3 to 12.1.0.2 [Release 11.2 to 12.1]
Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.1.0.2 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

(*) Performance degradation is seen while exporting the metadata for the following objects path:

- functional indexes
- indexes statistics
- functional indexes statistics
- table statistics
- grants


(*) Starting with 12.1.0.2 a performance bottleneck is introduced at the end of DataPump job execution due to an update on the DataPump master table.

 

Cause

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