How To Fix DB02080 - The number of segments approaching the maximum number of allowed extents

SAP Error Message - Details

• Message type: E = Error

• Message class: DB02 - For Oracle Component of the Database Monitor

• Message number: 080

• Message text: The number of segments approaching the maximum number of allowed extents

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB02080 - The number of segments approaching the maximum number of allowed extents ?

  The SAP error message DB02080 indicates that a database table is approaching the maximum number of allowed extents. This typically occurs when a table has grown significantly in size, leading to fragmentation and a high number of extents. Each extent is a contiguous block of space allocated for a database object, and when a table exceeds a certain number of extents, it can lead to performance issues and potential failures in data operations.
  Cause:
  
  Table Growth: The primary cause is the growth of the table beyond the limits set by the database system. This can happen due to increased data volume or frequent insert operations.
  Fragmentation: Over time, as records are added and deleted, the table can become fragmented, leading to a higher number of extents.
  Database Configuration: The maximum number of extents allowed for a table can be limited by the database configuration settings.
  
  Solution:
  
  
  Increase the Maximum Extents: If your database allows it, you can increase the maximum number of extents for the table. This is typically done through database administration tools or SQL commands, depending on the database system (e.g., Oracle, SQL Server, etc.).
  
  
  Table Reorganization: Consider reorganizing the table to reduce fragmentation. This can involve:
  
  Table Compression: If supported, compressing the table can help reduce its size and the number of extents.
  Rebuilding the Table: Create a new table with the same structure, copy the data over, and then drop the old table. This can help consolidate the extents.
  Partitioning: If the table is very large, consider partitioning it to improve performance and manageability.
  
  
  
  Monitoring and Maintenance: Regularly monitor the size and extent usage of your tables. Implement maintenance tasks such as:
  
  Regular Backups: Ensure you have backups before performing any major changes.
  Statistics Updates: Keep database statistics up to date to help the optimizer make better decisions.
  
  
  
  Consult Documentation: Refer to the specific database documentation for details on managing extents and any limitations that may apply.
  
  
  Related Information:
  
  Database-Specific Limits: Different databases have different limits on the number of extents. For example, Oracle has a limit of 1024 extents for a segment, while SQL Server has different mechanisms for managing space.
  Performance Impact: Having too many extents can lead to performance degradation, as the database engine may take longer to access data spread across many extents.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message, as SAP may provide updates or best practices for managing database tables.
  
  By addressing the underlying causes and implementing the suggested solutions, you can resolve the DB02080 error and improve the performance and reliability of your SAP system.