How To Fix VIRT179 - Rate of Pages Paged In

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 179

• Message text: Rate of Pages Paged In

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message VIRT179 - Rate of Pages Paged In ?

  The SAP error message VIRT179, which indicates "Rate of Pages Paged In," is related to memory management in the SAP system. This message typically arises when the system is experiencing high paging activity, which can lead to performance degradation. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Insufficient Memory: The most common cause of this error is that the SAP system does not have enough physical memory (RAM) allocated to handle the workload, leading to excessive paging.
  High Workload: A sudden increase in workload or a poorly optimized application can lead to increased memory usage, causing the system to page more frequently.
  Configuration Issues: Incorrect configuration of the SAP instance parameters or the underlying operating system can also contribute to high paging rates.
  Memory Leaks: Applications or processes that do not release memory properly can lead to increased memory consumption over time.
  
  Solutions:
  
  Increase Physical Memory: If the server is running low on RAM, consider adding more physical memory to the system.
  Optimize SAP Parameters: Review and optimize SAP memory parameters (like abap/heap_area_total, abap/heap_area_dia, etc.) to ensure they are set appropriately for your workload.
  Monitor Workload: Use transaction codes like ST03N or ST06 to monitor system performance and identify any spikes in workload that may be causing high paging.
  Tune Applications: Analyze and optimize the ABAP programs or transactions that are consuming excessive memory. This may involve code reviews or performance tuning.
  Check for Memory Leaks: Use tools like the SAP Memory Inspector to identify and resolve any memory leaks in your applications.
  Adjust Operating System Settings: Depending on the operating system, you may need to adjust settings related to virtual memory or paging to better accommodate the SAP workload.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to VIRT179 for specific recommendations or patches that may address the issue.
  System Monitoring: Regularly monitor system performance using SAP Solution Manager or other monitoring tools to proactively identify and address memory-related issues.
  Documentation: Refer to SAP documentation for best practices on memory management and performance tuning.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the VIRT179 error and improve the overall performance of your SAP system.