How To Fix RZ447 - Table description buffer alert

SAP Error Message - Details

• Message type: E = Error

• Message class: RZ - Messages for Computing Center Management System

• Message number: 447

• Message text: Table description buffer alert

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RZ447 - Table description buffer alert ?

  The SAP error message RZ447, which indicates a "Table description buffer alert," typically arises when there are issues related to the table description buffer in the SAP system. This buffer is used to store metadata about database tables, and when it becomes inconsistent or overloaded, it can lead to performance issues or errors.
  Cause:
  
  Buffer Overflow: The table description buffer may be full, which can happen if there are too many database tables or if the buffer size is not configured properly.
  Inconsistencies: Changes in the database schema (like adding or modifying tables) may not be reflected in the buffer, leading to inconsistencies.
  System Configuration: The parameters for the buffer size may not be optimized for the current workload or database structure.
  Transport Issues: If there are recent transports that included changes to database tables, it may lead to inconsistencies in the buffer.
  
  Solution:
  
  Refresh the Buffer: You can refresh the table description buffer by using transaction code SE14 (Database Utility) and selecting the option to "Activate and Adjust" the relevant tables. This will help in updating the buffer with the latest table definitions.
  Increase Buffer Size: If the buffer is consistently full, consider increasing the size of the table description buffer. This can be done by adjusting the profile parameters in the instance profile (e.g., abap/heap_area_total).
  Check for Inconsistencies: Use transaction SE11 to check the definitions of the tables and ensure that they are consistent with the database. If there are inconsistencies, you may need to adjust the definitions or re-activate the tables.
  Monitor Changes: After making changes to the database schema, ensure that the buffer is refreshed to avoid inconsistencies.
  System Restart: In some cases, a system restart may help in clearing the buffer and resolving the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE14, SE11, and RZ10 for managing database tables and system parameters.
  SAP Notes: Check SAP Notes related to RZ447 for any specific patches or updates that may address known issues.
  Performance Monitoring: Regularly monitor the performance of the database and buffer usage to preemptively address potential issues.
  Documentation: Refer to SAP documentation for detailed information on buffer management and configuration.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.