How To Fix SMMSS_ALERTS065 - The ave. number of millisecs/access for this file is &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SMMSS_ALERTS - Message class for MSSQL rz20 messages

• Message number: 065

• Message text: The ave. number of millisecs/access for this file is &1

What causes this issue?

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?

This alert shows the ms /access. The milliseconds per access is
calculated from ::fn_virtualfilestats.

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 SMMSS_ALERTS065 - The ave. number of millisecs/access for this file is &1 ?

  The SAP error message SMMSS_ALERTS065 indicates that the average number of milliseconds per access for a specific file has exceeded a predefined threshold. This typically points to performance issues related to file access, which can affect the overall performance of the SAP system.
  Cause:
  
  High I/O Wait Times: The system may be experiencing high input/output wait times due to disk latency or contention.
  Insufficient Hardware Resources: The underlying hardware (e.g., disk speed, memory, CPU) may not be sufficient to handle the workload.
  Database Performance Issues: Poorly optimized database queries or lack of proper indexing can lead to increased access times.
  File System Issues: Problems with the file system, such as fragmentation or corruption, can also lead to slow access times.
  Configuration Issues: Incorrect configuration settings in the SAP system or the underlying database can lead to performance degradation.
  
  Solution:
  
  Monitor System Performance: Use SAP transaction codes like ST03N (Workload Analysis) and ST04 (Database Performance Analysis) to monitor system performance and identify bottlenecks.
  Optimize Database Queries: Review and optimize any long-running or inefficient database queries. Ensure that proper indexing is in place.
  Check Hardware Resources: Assess the current hardware resources and consider upgrading if they are insufficient. This may include faster disks (SSD), more memory, or better CPUs.
  File System Maintenance: Perform regular maintenance on the file system, including defragmentation and checking for errors.
  Adjust Configuration Settings: Review and adjust configuration settings in both the SAP system and the database to ensure optimal performance.
  Increase Thresholds: If the high access time is acceptable for your specific use case, consider increasing the threshold for alerts, but this should be done with caution and after thorough analysis.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Performance Tuning Guides: Refer to SAP performance tuning guides for best practices on optimizing system performance.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the performance issues.
  
  By following these steps, you should be able to identify the root cause of the performance issue and implement appropriate solutions to mitigate the problem.