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DataPump Import (IMPDP) Over NETWORK_LINK Is Sometimes Very Slow (Doc ID 1439691.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 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.


Source: Oracle 10.2. on AIX (AIX-HACMP)
Target: Oracle 11.2 on Linux (Using Linux Pacemaker)

On target server DataPump import (IMPDP) was started using the parameter NETWORK_LINK. The import writes about 1GB per minute but sometimes the DataPump import runs very slow and about 24MB per minute.

The alert log shows ORA-27090 error.


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