How To Fix RSDD_ZA184 - Available memory (KB)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 184

• Message text: Available memory (KB)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA184 - Available memory (KB) ?

  The SAP error message RSDD_ZA184 typically indicates that there is insufficient memory available for processing a request in the SAP BW (Business Warehouse) environment. This error can occur during data loading, reporting, or when executing queries, particularly when dealing with large datasets or complex calculations.
  Cause:
  
  Insufficient Memory Allocation: The system may not have enough memory allocated to handle the current workload.
  Large Data Volume: The query or data load may involve a large volume of data that exceeds the available memory.
  Configuration Issues: Incorrect settings in the SAP BW system configuration can lead to memory allocation problems.
  Concurrent Processes: Multiple processes running simultaneously can consume available memory, leading to this error.
  Memory Leaks: Inefficient coding or poorly designed queries can lead to memory leaks, consuming more memory than necessary.
  
  Solution:
  
  
  Increase Memory Allocation:
  
  Adjust the memory settings in the SAP system profile parameters. You can increase the abap/heap_area_dia and abap/heap_area_nondia parameters to allocate more memory for dialog and non-dialog processes.
  Use transaction RZ10 to modify the profile parameters and restart the system for changes to take effect.
  
  
  
  Optimize Queries:
  
  Review and optimize the queries that are causing the error. This may involve reducing the amount of data being processed, using filters, or simplifying calculations.
  Use the Query Monitor (transaction RSRT) to analyze and optimize the performance of queries.
  
  
  
  Data Load Optimization:
  
  If the error occurs during data loading, consider breaking the data load into smaller chunks or using batch processing to reduce memory consumption.
  
  
  
  Monitor System Performance:
  
  Use transaction ST02 (Tune Summary) to monitor memory usage and identify any bottlenecks.
  Check for long-running processes in transaction SM66 or SM50 and terminate any unnecessary processes.
  
  
  
  Check for Memory Leaks:
  
  Review custom ABAP code or queries for potential memory leaks and optimize them accordingly.
  
  
  
  Increase Hardware Resources:
  
  If the system consistently runs out of memory, consider upgrading the hardware resources (RAM) of the server hosting the SAP BW system.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning in SAP BW. These notes often provide specific recommendations and best practices.
  SAP Community: Engage with the SAP Community forums to find discussions and solutions related to similar issues faced by other users.
  Documentation: Refer to the official SAP documentation for guidelines on memory management and performance optimization in SAP BW.
  
  By following these steps, you should be able to address the RSDD_ZA184 error and improve the overall performance of your SAP BW system.