SAP Knowledge Base Article - Preview

3131463 - Why use of OS swap space does not affect HANA db performance

Symptom

  • Systems hosting HANA db generate monitoring alerts regarding OS swap space being used.
  • The alerts occur despite plenty of free RAM on the system.
  • The swap space is configured to be 2 GB in size as recommended by SAP.
  • Why is swap space being used at all?  Will it impact HANA performance if swap is used?


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Environment

  • Any Linux OS
  • HANA db 1.x and 2.x

Product

SAP HANA, platform edition 2.0

Keywords

KBA , BC-OP-LNX , Linux , Problem

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