How To Fix D3160 - More than &1 database objects with too many extents; see DB02

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 160

• Message text: More than &1 database objects with too many extents; see DB02

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3160 - More than &1 database objects with too many extents; see DB02 ?

  The SAP error message D3160 indicates that there are more than a specified number of database objects (like tables or indexes) that have too many extents. This typically occurs in SAP systems that use a database like Oracle, DB2, or SQL Server, and it can lead to performance issues or even database errors if not addressed.
  Cause:
  
  Too Many Extents: Each database object can only have a limited number of extents. When an object exceeds this limit, it can lead to fragmentation and performance degradation.
  Database Configuration: The configuration of the database may not be optimal for the workload, leading to excessive extents.
  Frequent Modifications: If a table is frequently modified (inserted, updated, or deleted), it can lead to the creation of multiple extents.
  Inadequate Initial Size: If the initial size of the database objects is set too small, they may grow too quickly and require additional extents.
  
  Solution:
  
  Analyze the Database: Use transaction DB02 in SAP to analyze the database objects and identify which ones are exceeding the extent limits.
  Reorganize Tables: Consider reorganizing or rebuilding the tables that have too many extents. This can help reduce fragmentation and consolidate extents.
  Increase Initial Size: For tables that are expected to grow, increase the initial size of the table or index to reduce the likelihood of needing additional extents.
  Adjust Database Parameters: Review and adjust database parameters related to storage and extents. This may include parameters like DB_BLOCK_SIZE, DB_FILE_SIZE, etc., depending on the database system in use.
  Partitioning: If applicable, consider partitioning large tables to improve performance and manageability.
  Regular Maintenance: Implement regular database maintenance tasks, such as updating statistics and reorganizing tables, to prevent excessive extents from accumulating.
  
  Related Information:
  
  DB02 Transaction: This transaction provides detailed information about database performance and can help identify problematic objects.
  Database Documentation: Refer to the specific database documentation (e.g., Oracle, DB2, SQL Server) for guidelines on managing extents and optimizing performance.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message.
  Monitoring Tools: Utilize monitoring tools to keep track of database performance and proactively address issues before they escalate.
  
  By addressing the underlying causes and implementing the suggested solutions, you can resolve the D3160 error and improve the performance and stability of your SAP system.