PSU (RU) patching : Does datapatch execution for a single tenant configuration take 30 minutes ?

DB Version : 19c

OS : Oracle Linux 8.2

Patch being applied: 31326362(July 2020 Release Update)

I was applying July 2020 Release update (PSU) for 19c DB in the non-production environment.

In the non-prod environment, I have only 1 PDB (along with CDB and PDB$SEED). And this PDB has very less business data in it.

The opatch apply took nearly 7 minutes. But, the datapatch took 30 minutes to complete running the script in PDB, CDB and PDB$SEED (10 minutes for each DB). Is this normal ? Because, in production environment, I have 7 PDBs. So, does this mean it will take 70 minutes to complete the datapatch script execution. If I am not mistaken, datapatch just executes catbundle.sql internally.

datapatch execution log posted below:

--- Please forgive lack of formatting the below output to a monospace font (like courier). When I select multiples lines (to change the font), that small box with {..} does not appear. It appears only for 1 line ! So, I need to formatting for each line !!

[[email protected] OPatch]$ ./datapatch -verbose

SQL Patching tool version 19.8.0.0.0 Production on Wed Oct 7 18:45:12 2020

Copyright (c) 2012, 2020, Oracle. All rights reserved.

Log file for this invocation: /u01/app/oracle/cfgtoollogs/sqlpatch/sqlpatch_16269_2020_10_07_18_45_12/sqlpatch_invocation.log

Connecting to database...OK

Gathering database info...done

Note: Datapatch will only apply or rollback SQL fixes for PDBs

    that are in an open state, no patches will be applied to closed PDBs.

    Please refer to Note: Datapatch: Database 12c Post Patch SQL Automation

    (Doc ID 1585822.1)

Bootstrapping registry and package to current versions...done

Determining current state...done

Current state of interim SQL patches:

No interim patches found

Current state of release update SQL patches:

Binary registry:

 19.8.0.0.0 Release_Update 200703031501: Installed

PDB CDB$ROOT:

 Applied 19.3.0.0.0 Release_Update 190410122720 successfully on 15-OCT-19 05.52.08.222964 PM

PDB WMBSPDB:

 Applied 19.3.0.0.0 Release_Update 190410122720 successfully on 15-OCT-19 06.06.54.494545 PM

PDB PDB$SEED:

 Applied 19.3.0.0.0 Release_Update 190410122720 successfully on 15-OCT-19 06.06.54.494545 PM

Adding patches to installation queue and performing prereq checks...done

Installation queue:

For the following PDBs: CDB$ROOT PDB$SEED WMBSPDB

 No interim patches need to be rolled back

 Patch 31281355 (Database Release Update : 19.8.0.0.200714 (31281355)):

   Apply from 19.3.0.0.0 Release_Update 190410122720 to 19.8.0.0.0 Release_Update 200703031501

 No interim patches need to be applied

Installing patches...

Patch installation complete. Total patches installed: 3

Validating logfiles...done

Patch 31281355 apply (pdb CDB$ROOT): SUCCESS

logfile: /u01/app/oracle/cfgtoollogs/sqlpatch/31281355/23688465/31281355_apply_FRMCDB23_CDBROOT_2020Oct07_18_46_43.log (no errors)

Patch 31281355 apply (pdb PDB$SEED): SUCCESS

logfile: /u01/app/oracle/cfgtoollogs/sqlpatch/31281355/23688465/31281355_apply_FRMCDB23_PDBSEED_2020Oct07_19_00_08.log (no errors)

Patch 31281355 apply (pdb WMBSPDB): SUCCESS

logfile: /u01/app/oracle/cfgtoollogs/sqlpatch/31281355/23688465/31281355_apply_FRMCDB23_WMBSPDB_2020Oct07_19_00_07.log (no errors)

SQL Patching tool complete on Wed Oct 7 19:15:13 2020

[[email protected] OPatch]$