How To Fix SAI_CACHE807 - Cache refresh is already running

SAP Error Message - Details

• Message type: E = Error

• Message class: SAI_CACHE - XI Configuration Cache

• Message number: 807

• Message text: Cache refresh is already running

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAI_CACHE807 - Cache refresh is already running ?

  The SAP error message SAI_CACHE807: Cache refresh is already running typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an attempt to refresh a cache that is already in the process of being refreshed. This can happen in various scenarios, such as when multiple processes or users try to refresh the same cache simultaneously.
  Cause:
  
  Concurrent Refresh Requests: Multiple requests to refresh the same cache are initiated at the same time.
  Long-Running Refresh: A previous refresh request is taking longer than expected, causing subsequent requests to be blocked.
  System Configuration: The system may not be configured to handle concurrent cache refresh requests effectively.
  
  Solution:
  
  Wait for Completion: If you encounter this error, the simplest solution is to wait for the current cache refresh process to complete. You can monitor the process in the SAP system to see its status.
  Check Running Processes: Use transaction codes like SM37 (Job Monitoring) or SM66 (Global Work Process Overview) to check for any running jobs that might be refreshing the cache.
  Avoid Concurrent Refreshes: Ensure that your processes are designed to avoid initiating multiple cache refreshes for the same cache at the same time. Implementing proper locking mechanisms or scheduling can help.
  Increase Timeout Settings: If the refresh process is taking too long, consider optimizing the data load or increasing the timeout settings for the cache refresh.
  System Configuration: Review the system configuration to ensure it can handle the expected load and concurrent processes. This may involve tuning performance settings or increasing system resources.
  
  Related Information:
  
  Monitoring Tools: Use SAP monitoring tools to keep track of cache refresh processes and their performance.
  Documentation: Refer to SAP documentation for specific details on cache management and performance tuning in your version of SAP BW or HANA.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to cache refresh processes.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.