Bare Metal Cloud Exadata: Create 12.1 PDB From Existing PDB Performs Poorly
(Doc ID 2297856.1)
Last updated on APRIL 04, 2019
Applies to:Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.
Attempting to clone a new PDB database using an existing PDB is very slow - the process seems to hang.
After review of the SQL Monitor report, it was determined that one parallel process per datafile was generated, however only one process was doing work.
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