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Bare Metal Cloud Exadata: Create 12.1 PDB From Existing PDB Performs Poorly (Doc ID 2297856.1)

Last updated on AUGUST 06, 2018

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.

Symptoms

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.

Changes

 

Cause

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