2553582 - ST03 with high DB Time and high I/O Busy reported by SAP ASE for Business Suite | SAP Knowledge Base Article

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2553582 - ST03 with high DB Time and high I/O Busy reported by SAP ASE for Business Suite

Symptom

  • Extremely bad performance has been noticed on the SAP system running on ASE.
  • From ST03 you can see a high database times (DB Time) for almost all task types.
  • ATM is working and "update index statics" running for all tables.
  • When checking from DBACockpit we can confirm a high I/O Busy percentage from DBACockpit when checking System Utilization
  • Your ASE configuration cache is showing Config. Replacement "Relaxed LRU" (Last Recently Used), like in this sample:

KBA_2553582_3.JPG


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 for Business Suite
  • SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
  • SAP NetWeaver (NW) - All versions 

Product

SAP ERP 6.0

Keywords

ASE, high I/O, sp_sysmon, replacement policy, default data cache, Database Time , KBA , BC-DB-SYB , SAP Business Suite on Sybase ASE Database Platform , Problem

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