Slow DataPump Import (IMPDP) With Multiple REMAP_TABLESPACE
(Doc ID 2304219.1)
Last updated on AUGUST 02, 2019
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Oracle Database Cloud Schema 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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
The following symptoms are observed:
- importing metadata/data of a partitioned table(s) with a large number of partitions (in current scenario more than 12000 partitions) is slow;
- more than 600 REMAP_TABLESPACE are in the parfile;
- manually creating the table in SQL*Plus takes less than 1 minute.
Migrated a partitioned table to a new database, but into different tablespaces.
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