How To Fix SDBALM080 - Size of the system heap in KB

SAP Error Message - Details

• Message type: E = Error

• Message class: SDBALM - SAP DB and liveCache Alert Monitoring

• Message number: 080

• Message text: Size of the system heap in KB

Data Collector
<ZH>Collector B</>
(RZ20 -> SAP CCMS Technical Experts Monitors -> All Monitoring Contexts
,,-> <Name of the database connection> -> Collectors and Internals
-> Collectors -> Collector B)

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

Preset runtime interval of Collector B: 15 minutes

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM080 - Size of the system heap in KB ?

  The SAP error message SDBALM080 indicates that the size of the system heap in kilobytes (KB) has exceeded a predefined limit. This can lead to performance issues or system instability if not addressed. The system heap is a memory area used by the SAP kernel for various operations, and if it grows too large, it can affect the overall performance of the SAP system.
  Cause:
  
  High Memory Usage: The system heap may be growing due to high memory consumption by various processes, such as background jobs, user sessions, or inefficient coding in ABAP programs.
  Configuration Issues: The configuration settings for memory allocation may not be optimized for the current workload or system usage.
  Memory Leaks: There may be memory leaks in custom code or third-party add-ons that are causing the heap to grow uncontrollably.
  Increased Load: A sudden increase in user load or data processing can lead to higher memory usage.
  
  Solution:
  
  
  Monitor Memory Usage: Use transaction codes like ST02 (Tune Summary) and ST03 (Workload Analysis) to monitor memory usage and identify which processes are consuming excessive memory.
  
  
  Adjust Configuration: Review and adjust the memory parameters in the instance profile. Key parameters include:
  
  abap/heap_area_total
  abap/heap_area_dia
  abap/heap_area_nondia
  abap/heap_area_ext
  
  Ensure that these parameters are set according to the system's requirements and available resources.
  
  
  Optimize Code: Review custom ABAP code for inefficiencies or memory leaks. Use tools like the ABAP Runtime Analysis (transaction SE30) to identify problematic areas.
  
  
  Increase System Heap Size: If necessary, consider increasing the system heap size by adjusting the relevant parameters in the instance profile. However, this should be done cautiously and in accordance with the overall system architecture.
  
  
  Regular Maintenance: Implement regular maintenance tasks, such as cleaning up old data, archiving, and optimizing database performance, to reduce memory load.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known memory issues.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and the specific error message for additional guidance and best practices.
  SAP Community: Engage with the SAP Community for insights and experiences from other users who may have encountered similar issues.
  Performance Tuning: Consider engaging with SAP Basis consultants for performance tuning and optimization if the issue persists.
  
  By following these steps, you should be able to address the SDBALM080 error and improve the memory management of your SAP system.