1909742 - How to handle HANA Alert 19: ‘Record Count of Delta Storage of Column-Store Tables' | SAP Knowledge Base Article

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1909742 - How to handle HANA Alert 19: ‘Record Count of Delta Storage of Column-Store Tables'

Symptom

When checking the Alerts tab in HANA there is an alert called “SCHEMANAME.TABLENAME has 79533 records in delta memory (9 columns)”

  • For HANA Studio, you would find the alert by going to Administration Console -> Alerts -> Show: all alerts.

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  • For Solution Manager, you would find the alert using transaction DBACOCKPIT -> choose HANA system -> expand Current Status -> Alerts

To check the exact time please go to Administration Console -> Alerts -> double click on the Alerts

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Environment

SAP HANA Database

Product

SAP HANA 1.0, platform edition ; SAP HANA, platform edition all versions

Keywords

delta memory; Mass write operations; compression algorithms; delta merge; Forced merge; Memory-only merge; Hard merge; , KBA , HAN-DB-MON , SAP HANA Monitoring , SV-PERF , Performance Messages , Problem

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