How To Fix DB6PM281 - No tuning is taking place on buffer pool &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 281

• Message text: No tuning is taking place on buffer pool &1

What causes this issue?

No Tuning is taking place on the buffer pool.

System Response

An exception entry is configured on all database partitions.
Therefore, tuning of the buffer pool size does not take place.

How to fix this error?

To enable tuning on selected or on all database partitions, remove
the exception entries.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM281 - No tuning is taking place on buffer pool &1 ?

  The SAP error message DB6PM281 indicates that no tuning is taking place on a specific buffer pool in the database. This message is typically related to performance issues in the database, particularly concerning the buffer pool's configuration and management.
  Cause:
  
  Buffer Pool Configuration: The buffer pool may not be configured correctly, leading to inefficient memory usage.
  Insufficient Memory: The system may not have enough memory allocated to the buffer pool, preventing it from tuning effectively.
  Database Parameters: Certain database parameters may not be set optimally for the workload, leading to suboptimal performance.
  Workload Characteristics: The workload characteristics may have changed, making the current buffer pool settings inadequate.
  Database Version: The version of the database may have limitations or bugs that affect buffer pool tuning.
  
  Solution:
  
  Check Buffer Pool Configuration: Review the configuration of the buffer pool to ensure it is set up correctly. Adjust the size and parameters as necessary.
  Increase Memory Allocation: If the buffer pool is too small, consider increasing the memory allocation to allow for better performance and tuning.
  Review Database Parameters: Check the database parameters related to memory management and buffer pools. Adjust them based on best practices and workload requirements.
  Monitor Workload: Use monitoring tools to analyze the workload and identify any changes that may require adjustments to the buffer pool settings.
  Database Maintenance: Perform regular database maintenance tasks, such as updating statistics and reorganizing tables, to ensure optimal performance.
  Consult Documentation: Refer to the database documentation for specific tuning guidelines and recommendations based on the version you are using.
  Seek Expert Help: If the issue persists, consider consulting with a database administrator or SAP support for further assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Database Documentation: Review the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for tuning guidelines.
  Performance Monitoring Tools: Utilize performance monitoring tools to gain insights into buffer pool usage and overall database performance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the DB6PM281 error and improve the performance of your SAP system.