How To Fix DB02079 - &1 segments approaching max_extents > threshold of &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 079

• Message text: &1 segments approaching max_extents > threshold of &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB02079 - &1 segments approaching max_extents > threshold of &2 ?

  The SAP error message DB02079 indicates that a database segment is approaching its maximum extents limit, which can lead to performance issues or even prevent further data insertion if the limit is reached. This message is typically associated with database management systems like Oracle or SAP HANA, where segments (tables, indexes, etc.) have a defined maximum number of extents they can use.
  Cause:
  The error occurs when the number of extents allocated to a database segment is nearing the predefined threshold. Extents are contiguous blocks of storage allocated for a database object. When a segment approaches its maximum extents, it can indicate that the segment is growing rapidly, which may be due to:
  
  High Volume of Data Insertion: Continuous data growth without proper management.
  Inefficient Data Model: Poorly designed tables or indexes that lead to excessive fragmentation.
  Lack of Maintenance: Not performing regular database maintenance tasks like reorganizing or rebuilding indexes.
  Configuration Limits: The maximum extents limit set for the segment is too low for the current data growth patterns.
  
  Solution:
  To resolve the DB02079 error, consider the following steps:
  
  
  Increase the Maximum Extents:
  
  If the database allows, increase the maximum extents for the affected segment. This can usually be done through SQL commands or database management tools.
  
  
  
  Optimize the Data Model:
  
  Review the design of the tables and indexes. Consider normalizing the data or partitioning large tables to improve performance and manageability.
  
  
  
  Perform Maintenance:
  
  Regularly perform database maintenance tasks such as:
  
  Rebuilding or reorganizing indexes to reduce fragmentation.
  Archiving old data to reduce the size of active segments.
  Updating statistics to help the database optimizer make better decisions.
  
  
  
  
  
  Monitor Growth:
  
  Implement monitoring to track the growth of segments and set alerts for when they approach their limits. This can help in proactive management.
  
  
  
  Consult Documentation:
  
  Refer to the specific database documentation for commands and best practices related to managing extents and segments.
  
  
  
  Related Information:
  
  Database Documentation: Check the official documentation for your specific database system (e.g., Oracle, SAP HANA) for detailed instructions on managing extents and segments.
  SAP Notes: Look for relevant SAP Notes that may provide additional insights or specific fixes related to this error.
  Performance Tuning: Consider engaging in performance tuning activities to optimize the overall database performance, which may help in managing segment growth.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the risk of encountering the DB02079 error in the future.