How To Fix CCMS_AGENT025 - Information about Garbage Collections of a Java server node

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMS_AGENT -

• Message number: 025

• Message text: Information about Garbage Collections of a Java server node

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CCMS_AGENT025 - Information about Garbage Collections of a Java server node ?

  The SAP error message CCMS_AGENT025 typically relates to the monitoring of garbage collection (GC) activities in a Java server node. This message is part of the SAP CCMS (Computing Center Management System) monitoring framework, which provides insights into the performance and health of SAP systems.
  Cause:
  The CCMS_AGENT025 message indicates that the system is reporting information about garbage collection events in the Java Virtual Machine (JVM) of the SAP application server. Garbage collection is a process by which the JVM automatically frees up memory by removing objects that are no longer in use. Frequent or long garbage collection events can lead to performance issues, such as increased response times or application slowdowns.
  Common causes for this message include:
  
  High memory usage in the Java application, leading to frequent garbage collections.
  Inefficient memory management in the application code, resulting in excessive object creation.
  Configuration issues with the JVM parameters related to memory allocation and garbage collection settings.
  
  Solution:
  To address the issues indicated by the CCMS_AGENT025 message, consider the following steps:
  
  
  Monitor Garbage Collection Logs: Analyze the garbage collection logs to understand the frequency and duration of GC events. This can help identify patterns and potential issues.
  
  
  Tune JVM Parameters: Adjust the JVM parameters related to heap size and garbage collection. Common parameters include:
  
  -Xms (initial heap size)
  -Xmx (maximum heap size)
  -XX:NewRatio (ratio of young generation to old generation)
  -XX:+UseG1GC (to use the G1 garbage collector, which is often more efficient for large heaps)
  
  
  
  Optimize Application Code: Review the application code for memory leaks or inefficient memory usage. This may involve:
  
  Reducing the number of temporary objects created.
  Using appropriate data structures.
  Ensuring that references to unused objects are cleared.
  
  
  
  Increase Memory Resources: If the application consistently requires more memory than is allocated, consider increasing the heap size.
  
  
  Regular Monitoring: Set up regular monitoring of the Java server node to track memory usage and garbage collection metrics over time. This can help in proactive management of performance issues.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may provide specific recommendations or patches related to garbage collection and performance tuning.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on JVM tuning and performance optimization.
  Java Garbage Collection: Familiarize yourself with Java garbage collection concepts and strategies, as understanding how GC works can help in tuning the application effectively.
  Performance Monitoring Tools: Consider using performance monitoring tools that can provide deeper insights into memory usage and garbage collection behavior.
  
  By following these steps, you can mitigate the issues related to garbage collection in your SAP Java server node and improve overall application performance.