How To Fix RT645 - Response time of long-running dialog work processes (last value)

RT645 - Overview

• Message type: E = Error

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

• Message number: 645

• Message text: Response time of long-running dialog work processes (last value)

What causes this issue?

Dialog work processes have a maximum duration that you can set in
profile parameter <LS>rdisp/max_wprun_time</>. You can monitor the
duration of long-running processes even before this maximum duration
with the help of this node.

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?

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 RT645 - Response time of long-running dialog work processes (last value) ?

  The SAP error message RT645 indicates that the response time of long-running dialog work processes has exceeded acceptable limits. This can lead to performance issues in the SAP system, affecting user experience and system efficiency. Here’s a breakdown of the cause, potential solutions, and related information for this error message:
  Cause
  
  Long-Running Transactions: Certain transactions may take longer to process due to complex logic, large data volumes, or inefficient coding.
  System Load: High system load due to many concurrent users or background jobs can lead to longer response times.
  Database Performance: Slow database queries or locks can cause delays in processing requests.
  Resource Bottlenecks: Insufficient hardware resources (CPU, memory, I/O) can lead to performance degradation.
  Network Latency: High network latency can also contribute to longer response times for dialog processes.
  
  Solutions
  
  
  Analyze Long-Running Transactions:
  
  Use transaction ST05 (SQL Trace) or ST12 (Performance Trace) to identify slow transactions and optimize them.
  Review the code for inefficiencies and consider optimizing database queries.
  
  
  
  Monitor