How To Fix RT833 - Paging: Page Out (Kilobytes per second)

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 833

• Message text: Paging: Page Out (Kilobytes per second)

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 RT833 - Paging: Page Out (Kilobytes per second) ?

  The SAP error message RT833, which indicates "Paging: Page Out (Kilobytes per second)," typically relates to performance issues in the SAP system, particularly concerning memory management. This message suggests that the system is experiencing high paging activity, which can lead to performance degradation.
  Cause:
  
  
  Insufficient Memory: The most common cause of this error is that the SAP application server does not have enough physical memory (RAM) to handle the workload. When the system runs out of physical memory, it starts using disk space (paging), which is significantly slower.
  
  
  High Workload: A sudden increase in workload or a poorly optimized application can lead to excessive memory usage, causing the system to page out memory to disk.
  
  
  Configuration Issues: Incorrect configuration of the SAP memory parameters (like the instance profile settings) can lead to inefficient memory usage.
  
  
  Memory Leaks: Certain applications or processes may have memory leaks, causing them to consume more memory over time.
  
  
  Solution:
  
  
  Increase Physical Memory: If possible, add more RAM to the server hosting the SAP application. This is often the most effective solution.
  
  
  Optimize Memory Settings: Review and optimize the SAP memory parameters in the instance profile. Ensure that the parameters for heap memory, buffer memory, and other relevant settings are configured correctly.
  
  
  Monitor Workload: Use SAP transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze the workload and identify any spikes or patterns that may be causing high memory usage.
  
  
  Identify and Fix Memory Leaks: Use tools like the SAP Memory Inspector or transaction ST02 (Tune Summary) to identify any processes that are consuming excessive memory and address any potential memory leaks.
  
  
  Review and Optimize Code: If specific custom code or reports are causing high memory usage, consider optimizing them to reduce their memory footprint.
  
  
  Adjust Paging Settings: If the system is configured to use a swap file, ensure that it is appropriately sized and located on a fast disk to minimize performance impact.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning for specific guidance and best practices.
  SAP Community: Engage with the SAP Community forums for insights and experiences from other users who may have faced similar issues.
  Performance Monitoring Tools: Consider using SAP Solution Manager or other performance monitoring tools to gain deeper insights into system performance and memory usage.
  
  By addressing the underlying causes of the RT833 error, you can improve the performance of your SAP system and reduce the frequency of paging activity.