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2266726 - monProcessStatement: APF reads not included in PhysicalReads - SAP ASE

Symptom

  • PhysicalReads value in the monitoring table monProcessStatement includes only regular physical reads and no APF reads.
  • A discrepancy is showns when comparing the statistics io output with PhysicalReads value in monProcessStatement
     
    • set statistics io output shows :
       
         Table: l_tab scan count 1, logical reads: (regular=2732 apf=0 total=2732),
         physical reads: (regular=8 apf=2724 total=2732), apf IOs used=2724
       
    • monitoring from another isql session :
       
         select PhysicalReads from monProcessStatement
         go
       
         PhysicalReads
         -------------
                     8
       
  • Only the regular physical reads are included in monProcessStatement - it should show 2732 : 8 (regular) + 2724 (apf).
  • PhysicalReads never surpasses the regular value from query statistics.

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Environment

SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0.

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

MDA, 780628, CR780628 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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