How To Fix ESH_CA_CACHE039 - Session memory (weak) not used for data caching

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CA_CACHE - ESH Cache

• Message number: 039

• Message text: Session memory (weak) not used for data caching

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_CA_CACHE039 - Session memory (weak) not used for data caching ?

  The SAP error message ESH_CA_CACHE039 indicates that the session memory (weak) is not being utilized for data caching in the Enterprise Search (ESH) component of SAP. This can lead to performance issues, as the system may not be leveraging the available memory effectively for caching search results.
  Cause:
  The primary causes for this error message can include:
  
  Configuration Issues: The caching settings for the Enterprise Search may not be properly configured, leading to the session memory not being utilized.
  Memory Limitations: The system may have insufficient memory allocated for caching, or the memory settings may not be optimized for the workload.
  System Parameters: Certain system parameters related to caching and memory management may not be set correctly.
  Version Compatibility: There may be compatibility issues with the version of SAP being used, especially if there have been recent updates or changes.
  
  Solution:
  To resolve the ESH_CA_CACHE039 error, consider the following steps:
  
  
  Check Configuration:
  
  Review the configuration settings for the Enterprise Search and ensure that caching is enabled.
  Verify that the session memory settings are correctly configured in the SAP system.
  
  
  
  Adjust Memory Settings:
  
  Increase the memory allocation for the session memory if it is currently set too low.
  Use transaction code RZ10 to adjust the profile parameters related to memory management.
  
  
  
  Review System Parameters:
  
  Check the relevant system parameters such as es_cache_size and es_cache_mode to ensure they are set to appropriate values.
  Use transaction code RZ11 to view and modify these parameters.
  
  
  
  Monitor System Performance:
  
  Use transaction codes like ST02 (Tune Summary) and ST04 (Database Performance Analysis) to monitor memory usage and identify any bottlenecks.
  Analyze the workload and adjust the caching strategy accordingly.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional guidance.
  
  
  
  Upgrade or Patch:
  
  If the issue persists, consider upgrading to a newer version of SAP or applying the latest patches, as these may contain fixes for known issues related to caching.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Enterprise Search and caching mechanisms for detailed configuration guidelines.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Performance Tuning: Familiarize yourself with general performance tuning practices in SAP, as optimizing memory usage can significantly enhance system performance.
  
  By following these steps, you should be able to address the ESH_CA_CACHE039 error and improve the caching behavior of your SAP system.