How To Fix RT185 - &1 &3 > &2 &3 Length of the enqueue server queue above threshold

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 185

• Message text: &1 &3 > &2 &3 Length of the enqueue server queue above threshold

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT185 - &1 &3 > &2 &3 Length of the enqueue server queue above threshold ?

  The SAP error message RT185 indicates that the length of the enqueue server queue has exceeded a predefined threshold. This can lead to performance issues and may affect the overall stability of the SAP system. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  High Load on the Enqueue Server: The enqueue server is responsible for managing locks in the SAP system. If there are too many requests for locks (due to high transaction volume or long-running transactions), the queue can grow excessively.
  Long-Running Transactions: If transactions are taking too long to complete, they may hold locks for an extended period, causing a backlog in the enqueue queue.
  Configuration Issues: The threshold for the enqueue server queue may be set too low for the current workload.
  Deadlocks or Lock Contention: If multiple processes are trying to access the same resources, it can lead to contention and increase the queue length.
  
  Solutions:
  
  Monitor and Analyze: Use transaction codes like SM12 (to check locks), SM21 (to check system logs), and ST22 (to check dumps) to analyze what is causing the high load on the enqueue server.
  Optimize Long-Running Transactions: Identify and optimize any long-running transactions that may be holding locks for too long. This may involve reviewing the code or processes involved.
  Increase Threshold: If the current threshold is too low for your system's workload, consider increasing it. This can be done in the SAP profile parameters (e.g., enque/queue_length).
  Load Balancing: If possible, distribute the workload more evenly across the system to reduce the load on the enqueue server.
  Check for Deadlocks: Investigate and resolve any deadlocks or lock contention issues that may be causing the queue to grow.
  System Performance Tuning: Review overall system performance and consider tuning database parameters, increasing hardware resources, or optimizing application performance.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional insights or patches related to this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Documentation: Review SAP documentation regarding enqueue server operations and performance tuning for more detailed guidance.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the RT185 error and improve the performance of your SAP system.