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EXPDP Is Slow While Updating Master Table After Upgrade To 12.2.0.1 (Doc ID 2326998.1)

Last updated on MARCH 26, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 to 12.2.0.1 [Release 12.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

NOTE: The document content below, the user information and data used represents fictitious data from the Oracle sample schema(s) or Public Documentation delivered with an Oracle database product. Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner.

In 12.1.0.2, after applying the patch 21554480 (merge of multiple Datapump performance fixes) the following export will consume 13 Minutes:

 

So, this shows very high time was being consumed while updating master table.

Changes

 Database upgrade to 12.2.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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