How To Fix RSDD_ZA142 - Memory consumption check

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 142

• Message text: Memory consumption check

What causes this issue?

This check monitors the memory usage. If a predefined limit is exceeded,
the check notifies the user of this.

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?

If necessary, check your hardware. Follow the instructions of any action
proposed.

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_ZA142 - Memory consumption check ?

  The SAP error message RSDD_ZA142 typically relates to memory consumption issues in the context of SAP BW (Business Warehouse) or SAP HANA. This error indicates that the system has detected high memory usage during the execution of a query or data processing task, which can lead to performance degradation or even system crashes.
  Cause:
  
  High Data Volume: The query or data processing task is attempting to handle a large volume of data, which exceeds the available memory.
  Inefficient Queries: Poorly optimized queries or data models can lead to excessive memory consumption.
  Insufficient System Resources: The underlying hardware may not have enough memory allocated to handle the workload.
  Concurrent Processes: Multiple processes running simultaneously can lead to memory contention and exhaustion.
  Configuration Issues: Incorrect settings in the SAP BW or HANA configuration can lead to inefficient memory usage.
  
  Solution:
  
  
  Optimize Queries: Review and optimize the queries to ensure they are efficient. This may involve:
  
  Reducing the amount of data being processed (e.g., applying filters).
  Using aggregates or summary tables where appropriate.
  Avoiding complex calculations in the query.
  
  
  
  Increase Memory Allocation: If possible, increase the memory allocation for the SAP system. This may involve:
  
  Upgrading the hardware.
  Adjusting the memory settings in the SAP profile parameters.
  
  
  
  Monitor and Manage Background Jobs: Check for any long-running or resource-intensive background jobs that may be consuming memory. Schedule them during off-peak hours or optimize them.
  
  
  Use Aggregates: If applicable, create aggregates in the BW system to reduce the amount of data processed during queries.
  
  
  Check for Memory Leaks: Investigate if there are any memory leaks in custom ABAP code or third-party add-ons that could be causing excessive memory usage.
  
  
  System Configuration: Review the configuration settings for the SAP BW or HANA system to ensure they are optimized for your workload.
  
  
  Upgrade SAP Version: If you are running an older version of SAP, consider upgrading to a newer version that may have better memory management features.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSDD_ZA142 for specific patches or updates that may address memory issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools (like ST03N, ST04, or transaction RSRT) to analyze memory usage and identify bottlenecks.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the memory consumption issues associated with the RSDD_ZA142 error message in SAP.