DataPump Import (IMPDP) In Parallel Is Slow When Importing Partitioned Tables

(Doc ID 1681444.1)

Last updated on MAY 09, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 12.1.0.2 [Release 10.1 to 12.1]
Information in this document applies to any platform.

Symptoms

You try to DataPump import (impdp) a partitioned table into an empty schema using PARALLEL > 1. There are DataPump Worker processes waiting for an exclusive table lock which is indicated by event 'enq: TM - contention'. The table import started with command line:

Cause

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