How To Fix CCMS_AGENT027 - Average time share for the duration of the garbage collections

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMS_AGENT -

• Message number: 027

• Message text: Average time share for the duration of the garbage collections

What causes this issue?

This monitoring tree element (MTE) displays the percentage of time
during which a Garbage Collection is running for the relevant server
process.

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

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CCMS_AGENT027 - Average time share for the duration of the garbage collections ?

  The SAP error message CCMS_AGENT027 typically relates to performance issues in the SAP system, specifically concerning the garbage collection process in the Java Virtual Machine (JVM) used by SAP applications. This message indicates that the average time spent on garbage collection is higher than expected, which can lead to performance degradation in the system.
  Cause:
  
  High Memory Usage: The application may be consuming a lot of memory, leading to frequent garbage collection cycles.
  Inefficient Code: Poorly optimized code or memory leaks in the application can cause excessive memory allocation.
  Configuration Issues: The JVM may not be optimally configured for the workload, leading to inefficient garbage collection.
  Insufficient Heap Size: The allocated heap size for the JVM may be too small for the application's needs, causing frequent garbage collections.
  Garbage Collection Algorithm: The choice of garbage collection algorithm may not be suitable for the workload.
  
  Solution:
  
  Monitor Memory Usage: Use monitoring tools to analyze memory usage patterns and identify potential memory leaks or inefficient code.
  Optimize Code: Review and optimize the application code to reduce memory consumption and improve performance.
  Adjust JVM Parameters: 
  
  Increase the heap size by adjusting the -Xms (initial heap size) and -Xmx (maximum heap size) parameters.
  Consider tuning other JVM parameters related to garbage collection, such as -XX:NewRatio, -XX:SurvivorRatio, and -XX:MaxGCPauseMillis.
  
  
  Change Garbage Collection Algorithm: Depending on the application workload, consider switching to a different garbage collection algorithm (e.g., G1GC, CMS, etc.) that may be more efficient for your use case.
  Regular Maintenance: Perform regular maintenance and updates on the SAP system to ensure optimal performance and stability.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to performance tuning and garbage collection for specific recommendations and best practices.
  Monitoring Tools: Utilize SAP Solution Manager or other monitoring tools to keep track of system performance and memory usage.
  Documentation: Refer to the official SAP documentation for guidelines on JVM tuning and performance optimization.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the CCMS_AGENT027 error and improve the overall performance of your SAP system.