How To Fix ITS029 - Maximum number of hits per second

SAP Error Message - Details

• Message type: E = Error

• Message class: ITS - Messages for Agent-Based ITS Monitor

• Message number: 029

• Message text: Maximum number of hits per second

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ITS029 - Maximum number of hits per second ?

  The SAP error message ITS029, which states "Maximum number of hits per second," typically occurs in the context of SAP Internet Transaction Server (ITS) when the system is receiving more requests than it can handle within a specified time frame. This can lead to performance issues or even system unavailability if not addressed.
  Cause:
  
  High Traffic Volume: The most common cause is a sudden spike in user requests or traffic to the ITS, exceeding the configured limits.
  Configuration Limits: The system may have specific thresholds set for the maximum number of hits per second, which, when exceeded, trigger this error.
  Inefficient Application Design: Poorly designed applications or transactions that require excessive processing time can contribute to hitting the limit.
  Network Issues: Latency or network bottlenecks can exacerbate the situation, causing requests to pile up.
  
  Solution:
  
  
  Increase the Hit Limit: 
  
  You can adjust the configuration settings in the ITS to allow for a higher number of hits per second. This is typically done in the sapwebdisp.pfl or its.conf configuration files, depending on your setup.
  Look for parameters like max_hits_per_second and increase the value.
  
  
  
  Load Balancing: 
  
  If you have multiple instances of the ITS, consider implementing load balancing to distribute the traffic more evenly across the servers.
  
  
  
  Optimize Applications: 
  
  Review and optimize the applications running on the ITS to ensure they are efficient and do not take longer than necessary to process requests.
  
  
  
  Monitor Traffic: 
  
  Use monitoring tools to analyze traffic patterns and identify peak usage times. This can help in planning for capacity and scaling resources accordingly.
  
  
  
  Caching: 
  
  Implement caching strategies where applicable to reduce the load on the ITS by serving frequently requested data without hitting the backend systems.
  
  
  
  Review Network Configuration: 
  
  Ensure that your network infrastructure is capable of handling the expected load and that there are no bottlenecks.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  Documentation: Refer to the official SAP documentation for ITS configuration and performance tuning guidelines.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools to gain insights into system performance and identify bottlenecks.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the ITS029 error and improve the overall performance of your SAP ITS environment.