Datapump Export Is Very Slow While Exporting A High Number Of Partitions (More than a Million) In A Schema (Doc ID 2000646.1)

Last updated on JUNE 28, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.1.0.2 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

Datapump export is slow during partition table export.

Tables exist with a lot of partitions. In this case the schema has more than 1000000 partitions.

Datapump export may be slow in multiple situations:

Example 1
While executing:

 

Changes

 No changes in the system 

Cause

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