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EXPDP Estimate Phase Takes a Long Time With 12.1.0.1 (Doc ID 1673445.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

Symptoms

During the estimate phase, DataPump executes queries to determine if the table/partition/subpartition is empty.
This is done as part of the estimate phase.
For databases with hundreds of thousands of partitions, this can take a long time.

Cause

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