How To Fix /SDF/DB6140 - Table &1 has more than &2 percent of overflow page accesses

SAP Error Message - Details

• Message type: E = Error

• Message class: /SDF/DB6 -

• Message number: 140

• Message text: Table &1 has more than &2 percent of overflow page accesses

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SDF/DB6140 - Table &1 has more than &2 percent of overflow page accesses ?

  The SAP error message /SDF/DB6140 Table &1 has more than &2 percent of overflow page accesses indicates that a specific database table is experiencing a high percentage of overflow page accesses. This typically means that the table's data is not being stored efficiently, leading to performance issues when accessing the data.
  Cause:
  
  Table Design: The table may have been designed in a way that does not optimize space usage, leading to a high number of overflow pages.
  Data Growth: The volume of data in the table may have increased significantly, causing the original structure to become inefficient.
  Fragmentation: Over time, as records are added and deleted, the table can become fragmented, leading to inefficient data storage.
  Inadequate Indexing: Lack of proper indexing can lead to more overflow pages being used when accessing the data.
  
  Solution:
  
  Analyze Table Structure: Review the design of the table to ensure it is optimized for the data it holds. Consider normalizing the table if necessary.
  Reorganize the Table: Use database tools to reorganize or defragment the table. This can help reduce the number of overflow pages.
  Increase Page Size: If applicable, consider increasing the page size for the table to accommodate larger records without needing overflow pages.
  Review Data Growth: Monitor the growth of the table and implement archiving strategies for old data to keep the table size manageable.
  Index Optimization: Ensure that the table has appropriate indexes to improve access times and reduce the need for overflow pages.
  Database Maintenance: Regularly perform database maintenance tasks, such as updating statistics and rebuilding indexes, to keep the database performing optimally.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message.
  Transaction Codes: Use transaction codes like DB02 (Database Performance Monitor) to analyze the performance of the database and identify tables with high overflow page accesses.
  Performance Monitoring: Regularly monitor database performance metrics to catch issues early before they lead to significant performance degradation.
  Consult Documentation: Refer to SAP documentation for best practices on database design and maintenance.
  
  By addressing the underlying causes and implementing the suggested solutions, you can reduce the number of overflow page accesses and improve the performance of the affected table.