How To Fix RT137 - &1 &3 > &2 &3 dialog workprocess queue length exceeds threshold

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 137

• Message text: &1 &3 > &2 &3 dialog workprocess queue length exceeds threshold

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT137 - &1 &3 > &2 &3 dialog workprocess queue length exceeds threshold ?

  The SAP error message RT137 indicates that the dialog work process queue length has exceeded a predefined threshold. This can lead to performance issues in the SAP system, as it suggests that there are more requests waiting to be processed than the system can handle efficiently.
  Cause:
  
  High Load: A sudden increase in user activity or background jobs can lead to a backlog of requests.
  Insufficient Resources: The system may not have enough dialog work processes configured to handle the current load.
  Long Running Transactions: Some transactions may take longer to process, causing a queue to build up.
  System Configuration: Incorrect configuration of the SAP system parameters related to work processes can lead to this issue.
  Database Performance: Slow database performance can also contribute to delays in processing requests.
  
  Solution:
  
  
  Increase Dialog Work Processes:
  
  You can increase the number of dialog work processes in the SAP system profile. This can be done by modifying the instance profile parameters (e.g., rdisp/wp_no_dia).
  After making changes, restart the SAP instance for the changes to take effect.
  
  
  
  Monitor and Optimize Long Running Transactions:
  
  Use transaction codes like ST22 (dump analysis) and SM21 (system log) to identify any long-running transactions or errors that may be causing delays.
  Optimize these transactions if possible.
  
  
  
  Check System Performance:
  
  Use transaction ST03N to analyze workload and performance metrics. Identify peak times and adjust resources accordingly.
  Monitor the database performance and optimize queries if necessary.
  
  
  
  Adjust System Parameters:
  
  Review and adjust relevant SAP parameters that control the behavior of work processes and queues. Parameters like rdisp/queuethreshold can be adjusted to set a higher threshold for the queue length.
  
  
  
  Load Balancing:
  
  If you are running a distributed system, ensure that the load is balanced across different application servers.
  
  
  
  Review Background Jobs:
  
  Check for any background jobs that may be consuming excessive resources and adjust their scheduling if necessary.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM50: Monitor work processes.
  SM66: Monitor global work processes across the system.
  ST03N: Analyze workload and performance.
  ST22: Analyze dumps.
  SM21: Check system logs for errors.
  
  
  
  SAP Notes: Check SAP Notes related to performance tuning and specific error messages for additional guidance.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring work processes and performance tuning.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the RT137 error and improve the performance of your SAP system.