During the Preprocessing step of a SAP ABAP-based system upgrade, phase SHADOW_IMPORT_INC takes a long time to complete. This KBA explains what monitoring options are available in order to identify the root cause for the slow performance.
This KBA is valid for any ABAP-based SAP system upgrade using SUM as upgrade tool.
SUM, SHADOW_IMPORT_INC, R3trans, ALOG, SLOG, SAP system upgrade , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , How To
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