How To Fix SY445 - Memory use display switched off

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 445

• Message text: Memory use display switched off

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SY445 - Memory use display switched off ?

  The SAP error message SY445, which states "Memory use display switched off," typically occurs when the system has reached a certain threshold of memory usage, and the display of memory usage statistics has been disabled to prevent performance degradation.
  Cause:
  
  High Memory Usage: The primary cause of this error is that the SAP system is consuming a significant amount of memory, which can lead to performance issues.
  Configuration Settings: The system may be configured to disable memory usage display when memory consumption exceeds a certain limit.
  Resource Constraints: Insufficient system resources (like RAM) or inefficient memory management can lead to high memory usage.
  
  Solution:
  
  Monitor Memory Usage: Use transaction codes like ST02 (Tune Summary) or ST03 (Workload Analysis) to monitor memory usage and identify any bottlenecks or issues.
  Increase Memory Allocation: If the system is consistently running out of memory, consider increasing the memory allocation for the SAP instance. This can be done by adjusting the instance profile parameters (e.g., abap/heap_area_total, abap/heap_area_dia, etc.).
  Optimize Programs: Review and optimize ABAP programs or background jobs that may be consuming excessive memory. Look for inefficient loops, large internal tables, or memory leaks.
  Check for Background Jobs: Ensure that there are no long-running background jobs that are consuming excessive memory.
  System Restart: In some cases, a system restart may help clear memory and resolve temporary issues.
  Upgrade Hardware: If the system frequently runs into memory issues, consider upgrading the server hardware to provide more RAM.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning for specific recommendations 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 Tuning: Regularly perform system performance tuning and monitoring to prevent memory-related issues from arising.
  
  By addressing the underlying causes of high memory usage and optimizing the system configuration, you can resolve the SY445 error and improve overall system performance.