How To Fix RSDD_ZA135 - Check whether reorganizing the BWA landscape is necessary

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 135

• Message text: Check whether reorganizing the BWA landscape is necessary

What causes this issue?

The check has found that the server or the blades are loaded unevenly.
If the status of the check is "red", you should reorganize to improve
utilization.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Start reorganization of the BWA landscape.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA135 - Check whether reorganizing the BWA landscape is necessary ?

  The SAP error message RSDD_ZA135 indicates that there may be issues related to the Business Warehouse Accelerator (BWA) landscape, specifically concerning the need for reorganization. This message typically arises when the BWA is not performing optimally, which can lead to performance degradation in query execution.
  Cause:
  
  Data Volume Changes: Over time, as data is added, deleted, or modified, the BWA index may become fragmented or inefficient.
  Indexing Issues: If the BWA indexes are not properly maintained, it can lead to suboptimal performance.
  Configuration Changes: Changes in the BWA configuration or the underlying data model can necessitate a reorganization.
  System Performance: If the system is experiencing slow query performance, it may indicate that the BWA landscape needs attention.
  
  Solution:
  
  
  Reorganize the BWA: 
  
  Use the transaction code RSD1 to access the InfoProvider and check the BWA settings.
  Execute the reorganization process for the BWA. This can typically be done through the BWA administration tools or via specific SAP transactions designed for BWA management.
  
  
  
  Monitor Performance: 
  
  After reorganization, monitor the performance of queries to ensure that the changes have had a positive effect.
  Use transaction RSRT to analyze query performance and check for improvements.
  
  
  
  Regular Maintenance: 
  
  Schedule regular maintenance tasks for the BWA to prevent fragmentation and ensure optimal performance.
  This may include periodic reorganizations, updates, and checks on the BWA landscape.
  
  
  
  Consult Documentation: 
  
  Refer to SAP Notes and documentation related to BWA for specific guidelines and best practices for maintaining the BWA landscape.
  
  
  
  Engage SAP Support: 
  
  If the issue persists after attempting the above solutions, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to BWA performance issues.
  BWA Administration Guide: Review the official SAP documentation for BWA administration, which provides detailed instructions on managing and optimizing the BWA landscape.
  Performance Monitoring Tools: Utilize SAP BW performance monitoring tools to identify bottlenecks and areas for improvement in your BWA setup.
  
  By following these steps, you should be able to address the RSDD_ZA135 error and improve the performance of your BWA landscape.