SAP Knowledge Base Article - Preview

2952353 - Large size of memory usage on allocators Pool/RowEngine/MonitorView

Symptom

You notice that below allocators occupy most of total memory usage.

  • Pool/RowEngine/MonitorView

  • Pool/RowEngine/MonitorView/<monitor_view_name>
    Pool/RowEngine/MonitorView/M_MERGED_TRACES

  • Pool/RowEngine/MonitorView/StatisticsMonitors/<monitor_view_name>
    Pool/RowEngine/MonitorView/StatisticsMonitors/M_CONTEXT_MEMORY
    Pool/RowEngine/MonitorView/StatisticsMonitors/M_DEV_INDEX_COLUMNS
    Pool/RowEngine/MonitorView/StatisticsMonitors/M_UNDO_CLEANUP_FILES


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Environment

  • HANA database platform 1.0
  • HANA database platform 2.0

Product

SAP HANA 1.0, platform edition ; SAP HANA, platform edition 2.0

Keywords

OOM, high memory, dump, column store, heap memory , KBA , HAN-DB-PERF , SAP HANA Database Performance , HAN-DB , SAP HANA Database , HAN-DB-ENG , SAP HANA DB Engines , How To

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