How To Fix SZDM_LOCK833 - Number of wp will be dynamically changed for AS instance &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SZDM_LOCK - To be used for messages due to read only locks

• Message number: 833

• Message text: Number of wp will be dynamically changed for AS instance &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SZDM_LOCK833 - Number of wp will be dynamically changed for AS instance &1 ?

  The SAP error message SZDM_LOCK833 indicates that the number of work processes (wp) for an Application Server (AS) instance is being dynamically changed. This typically occurs in the context of SAP's workload management and can be related to the configuration of the instance or the system's current workload.
  Cause:
  
  Dynamic Work Process Adjustment: SAP systems can dynamically adjust the number of work processes based on the current workload. If the system detects that the number of active work processes is not optimal for the current load, it may attempt to change the number of work processes.
  Configuration Issues: The configuration settings for the instance may not be optimal, leading to frequent adjustments. This can happen if the parameters for the number of work processes are set too low or too high.
  Resource Constraints: If the underlying hardware resources (CPU, memory) are constrained, the system may not be able to maintain the desired number of work processes, leading to dynamic changes.
  System Load: High system load or specific transactions that require more resources can trigger this message as the system tries to adapt to the demand.
  
  Solution:
  
  
  Review Configuration: Check the instance profile parameters related to work processes. Key parameters include:
  
  rdisp/wp_no_dia: Number of dialog work processes.
  rdisp/wp_no_btc: Number of background work processes.
  rdisp/wp_no_vb: Number of update work processes.
  rdisp/wp_no_enq: Number of enqueue work processes.
  Adjust these parameters based on the expected workload and system capacity.
  
  
  
  Monitor System Performance: Use transaction codes like SM50 (Work Process Overview) and ST03N (Workload Analysis) to monitor the performance and workload of the system. This can help identify if the current configuration is appropriate.
  
  
  Check Hardware Resources: Ensure that the server has adequate CPU and memory resources. If the server is under heavy load, consider scaling up the hardware or optimizing the workload.
  
  
  Review SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on optimal configuration settings.
  
  
  Consult SAP Documentation: Refer to the SAP Basis documentation for best practices on configuring work processes and managing system performance.
  
  
  Related Information:
  
  SAP Basis Administration: Understanding the role of work processes in SAP systems is crucial for effective system administration.
  Performance Tuning: Regularly tuning the SAP system based on workload patterns can help prevent issues related to work process management.
  SAP Community and Forums: Engaging with the SAP community can provide insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after making adjustments, consider reaching out to SAP support for further assistance.