How To Fix VIRT420 - Memory Swapped Out

VIRT420 - Overview

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 420

• Message text: Memory Swapped Out

What causes this issue?

Host: This is the total amount of memory that is swapped out for all
virtual machines on the host.
Virtual System: This is the amount of memory that has been reclaimed by
this virtual system by transparently swapping guest memory to disk.

System Response

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

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 VIRT420 - Memory Swapped Out ?

  The SAP error message VIRT420 Memory Swapped Out typically indicates that the SAP system is experiencing memory pressure, leading to the operating system swapping out memory pages to disk. This can significantly degrade performance and may lead to application errors or slow response times.
  Causes:
  
  Insufficient Physical Memory: The server may not have enough RAM to handle the workload, causing the operating system to swap memory pages.
  High Workload: A sudden increase in user activity or background jobs can lead to high memory consumption.
  Memory Leaks: Certain applications or processes may not release memory properly, leading to increased memory usage over time.
  
  Configuration Issues: Incorrect configuration of SAP parameters or the underlying operating system can lead to inefficient memory usage.
  Background Processes: Long-running or resource-intensive background jobs can consume significant memory.
  
  Solutions:
  
  Increase Physical Memory: If the server is consistently running out of memory, consider adding more RAM to the system.
  Optimize SAP Parameters: Review and optimize SAP memory