2421081 - Poor HR Performance (Many calls to table UST12) | SAP Knowledge Base Article

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2421081 - Poor HR Performance (Many calls to table UST12)

Symptom

You notice that there is poor performance in HR transactions

For Example when using PA20/PA30 and searching for personnel number or searching by name

If a trace is performed you will see many database calls to table UST12

(To perform an ST12 trace use this link)

There will also be alot of time taken for one (or both) of the methods:

CL_HRPAD00AUTH_CHECK_STD=>CHECK_CONTEXT_AUTH_OBJECTS
CL_HRPAD00AUTH_CHECK_STD=>CHECK_AUTH_OBJ_PA 

You have already confirmed that table buffering is dimensioned correctly, in particular for the tables USRBF2 and UST12.
See SAP Note: 1994873 - HR authorization check: CHECK_CONTEXT_AUTH_OBJECTS conspicuous in performance trace


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Environment

  • Human Capital Management (HCM)
  • SAP R/3
  • SAP ERP Core Component
  • SAP ERP
  • SAP enhancement package for SAP ERP

 

Product

SAP ERP 6.0

Keywords

UST12, USRBF2, CL_HRPAD00AUTH_CHECK_STD, CHECK_CONTEXT_AUTH_OBJECTS, CHECK_AUTH_OBJ_PA , performance, PA20, PA30, slow , KBA , PA-BC , HCM Authorization and HCM Basis , Problem

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