How To Fix RSDD_ZA082 - Increase memory space in BW Accelerator

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 082

• Message text: Increase memory space in BW Accelerator

What causes this issue?

How to fix this error?

If possible, delete files that are no longer required. If this is not
possible for reasons of availability, you have to assign more hard drive
space to your BI accelerator. Contact the responsible administrator.
This action cannot be started from the BI system. You have to perform
this action directly on the BI accelerator.

System Response

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

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_ZA082 - Increase memory space in BW Accelerator ?

  The SAP error message RSDD_ZA082, which indicates "Increase memory space in BW Accelerator," typically occurs in the context of SAP BW (Business Warehouse) when the BW Accelerator (BWA) runs out of memory while processing queries or data. This can happen due to various reasons, such as large data volumes, complex queries, or insufficient memory allocation for the BWA.
  Cause:
  
  Insufficient Memory Allocation: The BW Accelerator may not have enough memory allocated to handle the current workload.
  Large Data Volumes: Queries that involve large datasets can consume significant memory resources.
  Complex Queries: Queries with multiple joins, aggregations, or calculations can also lead to high memory usage.
  Configuration Issues: Incorrect configuration settings for the BW Accelerator can lead to inefficient memory usage.
  
  Solution:
  
  
  Increase Memory Allocation:
  
  Access the BWA administration console and increase the memory allocation for the BW Accelerator. This may involve adjusting parameters related to memory usage.
  Ensure that the underlying hardware has sufficient resources (RAM) to support the increased memory allocation.
  
  
  
  Optimize Queries:
  
  Review and optimize the queries that are causing the memory issues. This may involve simplifying the query structure, reducing the number of joins, or limiting the data being processed.
  Use query performance analysis tools available in SAP BW to identify bottlenecks.
  
  
  
  Data Management:
  
  Consider archiving or deleting old or unnecessary data to reduce the overall data volume that the BW Accelerator needs to handle.
  Implement data partitioning strategies to manage large datasets more effectively.
  
  
  
  Monitor and Analyze:
  
  Use monitoring tools to analyze memory usage patterns and identify specific queries or processes that are consuming excessive memory.
  Regularly check the BWA logs for any warnings or errors that may provide additional insights into memory issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation for specific guidelines on configuring and optimizing the BW Accelerator. This may include best practices for memory management and query optimization.
  
  
  
  Upgrade Hardware:
  
  If memory issues persist despite optimization efforts, consider upgrading the hardware on which the BW Accelerator is running to provide more resources.
  
  
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to memory issues in BW Accelerator.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  Performance Tuning: Familiarize yourself with performance tuning techniques specific to SAP BW and BWA to enhance overall system performance.
  
  By following these steps, you should be able to address the RSDD_ZA082 error and improve the performance of your BW Accelerator.