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 22.214.171.124 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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