Data Pump import (IMPDP) is very slow when importing PROCOBJ
(Doc ID 1535530.1)
Last updated on MARCH 29, 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 Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
When attempting to use Data Pump import (IMPDP) to perfom full database import, it is taking 20+ hours to complete.
The process appears to run as expected when importing data and indexes but seems to hang when executing the below step:
Monitoring the SQL I can see that the import is creating chain jobs and other scheduler jobs. Each chain job being created is taking 20+ minutes and as soon as this step begins I see contention related to cache pin.
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