SAP Knowledge Base Article - Preview

3461133 - Performance problems and general system slowness due to delta merge operations

Symptom

  • System wide HANA Database performance issue when delta merge is running for certain tables
  • You want information on what you can do to improve delta merge performance
  • From HANA Mini check (see KBA 3284834 - SQL Statement Collection: "HANA_Configuration_Minichecks" report for SAP HANA) you see the following alerts:
M0538 : Delta merges > 900 s (last day) , Delta merges > 900 s (short-term), Long running delta merges (mid-term)


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Environment

  • SAP HANA PLATFORM EDITION 1.0
  • SAP HANA PLATFORM EDITION 2.0

Product

SAP HANA, platform edition all versions

Keywords

KBA , HAN-DB-ENG , SAP HANA DB Engines , HAN-DB , SAP HANA Database , Problem

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