How To Fix DB02023 - &1 < &2: number of extents < threshold

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 023

• Message text: &1 < &2: number of extents < threshold

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB02023 - &1 < &2: number of extents < threshold ?

  The SAP error message DB02023 indicates that the number of extents for a database object (like a table or index) is below a certain threshold. This can lead to performance issues, as having too few extents can affect how data is stored and accessed in the database.
  Cause:
  
  Low Number of Extents: The database object has fewer extents than the defined threshold. Extents are blocks of storage allocated for database objects, and having too few can lead to inefficient data access.
  Database Configuration: The database might be configured with a low threshold for extents, which can be a result of default settings or specific configurations made by the database administrator.
  Fragmentation: Over time, as data is inserted, updated, or deleted, fragmentation can occur, leading to inefficient use of extents.
  
  Solution:
  
  
  Increase the Number of Extents:
  
  You can increase the number of extents for the affected database object. This can typically be done by altering the table or index settings in the database.
  For example, in some databases, you can use SQL commands to modify the storage parameters.
  
  
  
  Reorganize or Rebuild the Object:
  
  If fragmentation is an issue, consider reorganizing or rebuilding the table or index. This can help to consolidate extents and improve performance.
  Use database-specific commands to perform these actions (e.g., ALTER TABLE ... REBUILD in SQL Server).
  
  
  
  Review Database Configuration:
  
  Check the database configuration settings related to extent allocation. You may need to adjust these settings to allow for more extents to be allocated to objects.
  
  
  
  Monitor and Analyze:
  
  Regularly monitor the database for extent usage and fragmentation. Use database monitoring tools to analyze performance and identify potential issues before they lead to errors.
  
  
  
  Consult Documentation:
  
  Refer to the specific database documentation for details on managing extents and storage parameters, as the commands and options can vary between different database systems.
  
  
  
  Related Information:
  
  Database Management: Understanding how your specific database system manages storage and extents is crucial. Each database (e.g., Oracle, SQL Server, SAP HANA) has its own methods for managing extents.
  Performance Tuning: Regular performance tuning and maintenance can help prevent issues related to extents and fragmentation.
  SAP Notes: Check SAP Notes and Knowledge Base Articles for any specific recommendations or patches related to this error message.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with a database administrator or SAP support for further assistance.