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1977207 - How to handle HANA Alert 55: Columnstore unloads


This Knowledge Base Article (KBA) is part of a series of HANA Operation Recommendations.

The focus is on providing the best practice instruction on handling HANA Alerts related to columnstore unloads (Alert ID 55). 
This indicates how many columns in column store tables have been unloaded from memory.



SAP HANA Database SPS 08 and/or higher.
Instructions in this Knowledge Base Article have been created on a SAP HANA Database Revision 80 (Support Package Stack SPS08) and may differ in other revisions.


SAP HANA, platform edition all versions


Unloads, Columnstore table unloads, M_CS_UNLOADS, HOST_CS_UNLOADS, Alert 55 , KBA , HAN-DB-MON , SAP HANA Monitoring , SV-PERF , Performance Problems , How To

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