How To Fix CCMS_AGENT018 - Current number of active threads

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMS_AGENT -

• Message number: 018

• Message text: Current number of active threads

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CCMS_AGENT018 - Current number of active threads ?

  The SAP error message CCMS_AGENT018 typically relates to the monitoring of the SAP system's performance, specifically regarding the number of active threads in the system. This message is part of the CCMS (Computing Center Management System) monitoring framework, which is used to monitor various aspects of SAP systems.
  Cause:
  The error message CCMS_AGENT018 indicates that the current number of active threads has exceeded a predefined threshold. This can happen due to several reasons, including:
  
  High Load: The system is experiencing a high volume of transactions or background jobs, leading to an increased number of active threads.
  Configuration Issues: The thread pool settings may not be optimized for the current workload, causing threads to be exhausted.
  Long-Running Processes: Certain processes may be taking longer than expected, holding onto threads and preventing new ones from being created.
  Resource Bottlenecks: Insufficient system resources (CPU, memory, etc.) can lead to delays in processing, causing threads to pile up.
  
  Solution:
  To resolve the CCMS_AGENT018 error, consider the following steps:
  
  Monitor System Performance: Use transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze system performance and identify bottlenecks.
  Adjust Thread Pool Settings: Review and adjust the thread pool settings in the SAP system. You can do this in the instance profile parameters (e.g., rdisp/wp_no_dia, rdisp/wp_no_btc, etc.) to ensure that the system can handle the expected load.
  Optimize Long-Running Jobs: Identify and optimize any long-running jobs or processes that may be consuming threads. This may involve tuning SQL queries, optimizing ABAP code, or scheduling jobs during off-peak hours.
  Increase System Resources: If the system is consistently under heavy load, consider scaling up the hardware resources (CPU, memory) or optimizing the existing resources.
  Review Background Jobs: Check for any background jobs that may be running excessively or are stuck. You can use transaction SM37 to monitor and manage background jobs.
  Check for Deadlocks: Investigate if there are any deadlocks or resource contention issues that may be causing threads to hang.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to CCMS monitoring and thread management for specific guidance and updates.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have faced similar issues.
  Documentation: Refer to the official SAP documentation for CCMS and performance tuning for more detailed information on monitoring and optimizing SAP systems.
  
  By following these steps, you should be able to address the CCMS_AGENT018 error and improve the performance of your SAP system.