How To Fix RT164 - Utilized area of dispatcher queue (percentage)

RT164 - Overview

• Message type: E = Error

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

• Message number: 164

• Message text: Utilized area of dispatcher queue (percentage)

Output requests on the spool server are buffered in the dispatcher
queue until they can be passed on to a free work process.
INCLUDE BC_SPOOL_MOREINFO OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

RT164 - Details

• The SAP error message RT164 indicates that the utilized area of the dispatcher queue has reached a certain percentage threshold. This can lead to performance issues or even system instability if not addressed. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  High Load on the System: The dispatcher queue may be experiencing a high volume of requests, leading to increased utilization.
  Long-Running Processes: If there are processes that take a long time to complete, they can occupy space in the dispatcher queue.
  Insufficient Resources: The system may not have enough resources (CPU, memory) to handle the current workload efficiently.
  
  Configuration Issues: Incorrect configuration of the SAP system parameters related to the dispatcher and work processes can lead to inefficient handling of requests.
  
  Solutions:
  
  Monitor System Performance: Use transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze system performance and identify bottlenecks.
  Increase Dispatcher Queue Size: If the system is consistently