2141938 - Optdiag utility incorrectly calculates "Large I/O efficiency" when exporting statistics - ASE | SAP Knowledge Base Article

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2141938 - Optdiag utility incorrectly calculates "Large I/O efficiency" when exporting statistics - ASE

Symptom

  • On ASE with large I/O cache pool(s) configured
  • Optdiag output shows incorrect values for "Large I/O efficiency" compared to built-in function 'derived_stat'

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Environment

SAP Adaptive Server Enterprise (ASE) prior to ASE 15.7 SP136

Product

SAP Adaptive Server Enterprise 15.7

Keywords

KBA , query tuning , optimization , optimizer , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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