How To Fix D3153 - Database object has too many extents; see DB02

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 153

• Message text: Database object has too many extents; see DB02

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 D3153 - Database object has too many extents; see DB02 ?

  The SAP error message D3153 indicates that a database object (such as a table or index) has exceeded the maximum number of extents allowed in the database. This typically occurs in databases like Oracle or DB2, where there are limits on the number of extents that can be allocated to a single object.
  Cause:
  
  Exceeding Extent Limits: Each database has a limit on the number of extents that can be allocated to a single object. When this limit is reached, the error D3153 is triggered.
  Fragmentation: Over time, as data is inserted, updated, and deleted, the database can become fragmented, leading to inefficient use of space and potentially causing objects to reach their extent limits.
  Improper Configuration: The database configuration settings, such as the size of the extents or the maximum number of extents allowed, may not be optimal for the workload.
  
  Solution:
  
  Check DB02: As suggested in the error message, you should check transaction DB02 in SAP. This transaction provides information about database performance and can help identify which object is causing the issue.
  Increase Extent Limits: If possible, increase the maximum number of extents allowed for the affected object. This may involve changing the database settings or altering the table/index properties.
  Reorganize the Database: Consider reorganizing the database to reduce fragmentation. This can involve:
  
  Rebuilding Indexes: Rebuilding indexes can help reclaim space and reduce fragmentation.
  Table Reorganization: Use database-specific commands to reorganize tables, which can help in reclaiming space and reducing the number of extents.
  
  
  Partitioning: If the object is very large, consider partitioning it. This can help manage data more efficiently and reduce the number of extents for each partition.
  Monitor Growth: Implement monitoring to keep track of the growth of database objects and their extents. This can help in proactive management and prevent future occurrences of this error.
  
  Related Information:
  
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, DB2) for details on extent limits and management.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error.
  Database Administration: Work with your database administrator to analyze the database structure and make necessary adjustments.
  
  By following these steps, you should be able to resolve the D3153 error and prevent it from occurring in the future.