How To Fix VIRT422 - Memory Overhead

VIRT422 - Overview

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 422

• Message text: Memory Overhead

What causes this issue?

Host: This is the total amount of kernel overhead memory on the host.
Virtual System: This is the amount of 'overhead' memory associated with
this virtual system that is currently consumed on the host system.
Overhead memory is additional memory that is reserved for data
structures required by the virtualization layer.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VIRT422 - Memory Overhead ?

  The SAP error message VIRT422 Memory Overhead typically indicates that the SAP system is experiencing memory allocation issues, specifically related to the virtual memory overhead. This can occur when the system is running out of available memory resources, which can lead to performance degradation or even system crashes.
  Causes:
  
  Insufficient Memory Allocation: The SAP instance may not have enough memory allocated to handle the current workload.
  High Workload: An increase in user activity or background jobs can lead to higher memory consumption.
  Memory Leaks: Certain processes or programs may not be releasing memory properly, leading to gradual memory exhaustion.
  
  Configuration Issues: Incorrect configuration settings in the SAP system or the underlying operating system can lead to inefficient memory usage.
  Database Issues: If the database is consuming excessive memory, it can impact the overall memory availability for the SAP application.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Adjust the instance profile parameters to allocate more memory to the SAP application. Key parameters include