How To Fix DBMAN148 - Caution: Low restriction at &1 MB for intermediate results is active

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 148

• Message text: Caution: Low restriction at &1 MB for intermediate results is active

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 DBMAN148 - Caution: Low restriction at &1 MB for intermediate results is active ?

  The SAP error message DBMAN148 indicates that the database has a low restriction for intermediate results, which can affect performance and the ability to process large datasets. This warning is typically related to the memory settings in the database configuration, particularly in the context of database management and data processing tasks.
  Cause:
  The error message is triggered when the system detects that the memory allocated for intermediate results during database operations is below a certain threshold (in this case, &1 MB). This can happen due to:
  
  Database Configuration: The memory settings for the database may be configured too low, limiting the amount of memory available for intermediate results.
  Large Data Processing: Operations that involve large datasets may require more memory than is currently allocated.
  System Resource Constraints: The overall system may be under heavy load or may not have sufficient resources (RAM) available.
  
  Solution:
  To resolve the DBMAN148 error, consider the following steps:
  
  
  Increase Memory Allocation:
  
  Review and adjust the database configuration settings to increase the memory allocated for intermediate results. This may involve changing parameters in the database configuration files or using database management tools.
  For example, in an SAP HANA environment, you might need to adjust the memory_limit settings.
  
  
  
  Optimize Queries:
  
  Analyze the SQL queries being executed to ensure they are optimized. Poorly written queries can lead to excessive memory usage.
  Consider breaking down large queries into smaller, more manageable parts.
  
  
  
  Monitor System Resources:
  
  Use monitoring tools to check the overall system performance and resource usage. Ensure that the server has enough RAM and CPU resources available.
  If the system is under heavy load, consider scaling up the hardware or optimizing other processes running on the server.
  
  
  
  Database Maintenance:
  
  Perform regular database maintenance tasks, such as updating statistics, rebuilding indexes, and cleaning up unnecessary data, to improve performance and resource utilization.
  
  
  
  Consult Documentation:
  
  Refer to the specific database documentation for guidance on memory settings and best practices for configuration.
  
  
  
  Contact Support:
  
  If the issue persists after making adjustments, consider reaching out to SAP support or your database administrator for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or specific recommendations related to this error.
  Database Documentation: Review the documentation for your specific database (e.g., Oracle, HANA, SQL Server) for detailed instructions on memory management and configuration.
  Performance Tuning: Consider engaging in performance tuning practices to ensure that your database and SAP environment are running efficiently.
  
  By addressing the memory allocation and optimizing your database operations, you should be able to resolve the DBMAN148 warning and improve the overall performance of your SAP system.