SAP Knowledge Base Article - Preview

3747400 - Delta Merge Best Practices and Recommendations

Symptom

If Hana DB experience any of these

  • High memory consumption in column-store tables
  • Degraded query performance on frequently updated tables
  • Large delta storage compared to main storage
  • Long-running delta merge operations
  • Locks related to delta merge execution
  • Alerts for merge status or table growth in SAP HANA Studio or SAP HANA Cockpit


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Environment

  • SAP HANA 
  • SAP S/4HANA
  • SAP BW on Hana

Product

SAP HANA, platform edition all versions

Keywords

Delta Merge, SAP HANA, Column Store, Performance, Memory Consumption, SAP S/4HANA, HANA Cockpit, Table growth , merge status , KBA , HAN-DB , SAP HANA Database , Problem

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