SAP Knowledge Base Article - Preview

2221681 - Updating Statistics - SAP ASE for Business Warehouse

Symptom

For SAP BW applications on SAP ASE database, regular maintenance of table and index-level statistics is in place via DBACockpit ATM (Automated Table Maintenance), as described in SAP ASE Best Practices Guide - SAP Note 1680803.

Additionally, the BW application intrinsically maintains table and index-level statistics at the partition-level, as part of process chains.

On occasion, however, you find the performance on the BW system to be sub-par or degraded, following full/delta Data Loads or during BW extractions from ERP/CRM systems.


Moreover, the following checks indicate a RED light -- this typically means that the statistics are obsolete:

  • RSA1->"Infocube"->Manage->Performance->Check Statistics 
  • RSRV -> Database -> Check Statistics

 


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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 Business Warehouse - All versions 

Product

SAP Adaptive Server Enterprise 15.7 ; SAP ERP 6.0

Keywords

BW, ASE, update index statistics, refresh, RSSYBREFRESHINFOCUBESTATISTICS, slow, performance, data loads, ATM, statistics , KBA , BW-SYS-DB-SYB , BW on Adaptive Server Enterprise , How To

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