How To Fix CCMS_AGENT028 - Memory utilization for local objects after a complete garbage collection

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMS_AGENT -

• Message number: 028

• Message text: Memory utilization for local objects after a complete garbage collection

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CCMS_AGENT028 - Memory utilization for local objects after a complete garbage collection ?

  The SAP error message CCMS_AGENT028 indicates that the memory utilization for local objects in the SAP system is high after a complete garbage collection. This message is part of the monitoring capabilities of the SAP system, specifically related to the Java Virtual Machine (JVM) memory management.
  Cause:
  
  
  High Memory Usage: The error typically arises when the memory allocated for local objects (such as Java objects) is nearing its limit, even after a garbage collection process has been executed. This can happen due to:
  
  Memory leaks in the application code.
  Inefficient memory usage patterns in the application.
  Insufficient memory allocation for the JVM.
  High load on the system leading to increased memory consumption.
  
  
  
  Garbage Collection Inefficiency: If the garbage collection process is not effectively reclaiming memory, it may indicate that the JVM is struggling to manage memory due to fragmentation or other issues.
  
  
  Solution:
  
  
  Analyze Memory Usage:
  
  Use tools like the SAP Memory Analyzer (MAT) to analyze heap dumps and identify memory leaks or objects that are consuming excessive memory.
  Monitor the memory usage patterns over time to identify trends or spikes.
  
  
  
  Optimize Code:
  
  Review the application code for potential memory leaks, such as static references that are not cleared or large collections that are not being managed properly.
  Optimize data structures and algorithms to reduce memory consumption.
  
  
  
  Adjust JVM Parameters:
  
  Increase the heap size allocated to the JVM if the current settings are insufficient. This can be done by modifying the -Xms (initial heap size) and -Xmx (maximum heap size) parameters in the JVM configuration.
  Consider tuning garbage collection settings to improve performance. This may involve changing the garbage collection algorithm or adjusting related parameters.
  
  
  
  Regular Maintenance:
  
  Schedule regular maintenance tasks, such as clearing caches or optimizing database queries, to reduce memory load.
  Keep the SAP system and its components updated to benefit from performance improvements and bug fixes.
  
  
  
  Monitor and Alert:
  
  Set up monitoring and alerting for memory usage to proactively address issues before they lead to performance degradation.
  
  
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide specific guidance or patches related to memory management issues.
  Documentation: Refer to SAP documentation on JVM tuning and memory management best practices.
  Community Forums: Engage with the SAP community or forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you can address the CCMS_AGENT028 error and improve the memory management of your SAP system.