OPatch Session Hung Forever | CUP_LOG: Found poh CUP XXXXXX is a subset of other poh CUP: XXXXX

Performance Issue with OPatch

Opatch Hung forever

CUP_LOG: Found poh CUP XXXXXX is a subset of other poh CUP: XXXXX

If you ever face issues with opatch utility is taking long time to run the prerequisite check and in the log you see the below line.

CUP_LOG: Found poh CUP XXXXXX is a subset of other poh CUP: XXXXX
CUP_LOG: Found poh CUP XXXXXX is a subset of other poh CUP: XXXXX
CUP_LOG: Found poh CUP XXXXXX is a subset of other poh CUP: XXXXX
CUP_LOG: Found poh CUP XXXXXX is a subset of other poh CUP: XXXXX
CUP_LOG: Found poh CUP XXXXXX is a subset of other poh CUP: XXXXX

It is time to cleanup some inactive patches from opatch inventory, to do that please follow the below instructions.

cd $ORACLE_HOME/OPatch

--This will list the inactive patches

./opatch util listorderedinactivepatches

--This will remove the inactive patches

./opatch util deleteinactivepatches

This will take some time depending on how many old inactive patches is present in the inventory.

Reference:

OPatch 12.2.0.1.37+ Introduces a New Feature to Delete Inactive Patches in the ORACLE_HOME/.patch_storage Directory (Doc ID 2942102.1)