SAP Knowledge Base Article - Preview

1998599 - How-To: Analyzing high SAP HANA Memory Consumption due to Translation Tables

Symptom

You experience memory related issues, e.g.:

  • Out of memory (OOM) dumps.
  • Memory related SAP HANA alerts.
  • High memory consumption of SAP HANA.
  • Unloads, performance decrease and other consequences of memory bottlenecks.

A memory analysis (SAP Note 1999997) was performed and you recognize that heap allocators Pool/JoinEvaluator/TranslationTable or Pool/JERequestHandler are responsible for a significant memory consumption.


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Environment

SAP HANA

Product

SAP HANA, platform edition all versions

Keywords

dictionaries; translator_cache_size; temporary BW tables; hash based implementation; complex joins; , KBA , HAN-DB , SAP HANA Database , How To

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