How To Fix SDBALM305 - Number of work processes

SAP Error Message - Details

• Message type: E = Error

• Message class: SDBALM - SAP DB and liveCache Alert Monitoring

• Message number: 305

• Message text: Number of work processes

Description
Number of Work Processes.
An evaluation of this value is performed in connection with the
MAXUSERTASKS parameter.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

A value (text or digits) is only reported in this node, if:
This node does not yet contain a value, or
The data collector determines a change in the internal table that
contains the values to be reported
Data Collector
<ZH>Collector C</>
(RZ20 -> SAP CCMS Technical Experts Monitors -> All Monitoring Contexts
,,-> <Name of the database connection> -> Collectors and Internals ->
Collectors -> Collector C)
Preset runtime interval of collector C: 4 hours

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM305 - Number of work processes ?

  The SAP error message SDBALM305 typically indicates that the number of work processes configured for the SAP system is insufficient to handle the current workload. This can lead to performance issues, such as slow response times or even system downtime, as requests may be queued or rejected due to a lack of available work processes.
  Cause:
  
  Insufficient Work Processes: The number of work processes configured in the SAP system is lower than what is required to handle the current load.
  High User Load: An increase in the number of users or transactions can lead to a situation where the existing work processes are unable to manage the demand.
  Long-Running Transactions: If there are transactions that take a long time to complete, they can occupy work processes for extended periods, leading to a backlog.
  Configuration Issues: Incorrect configuration settings in the instance profile can lead to an inadequate number of work processes being allocated.
  
  Solution:
  
  
  Increase Work Processes:
  
  Access the instance profile of the SAP system (usually done through transaction RZ10).
  Look for parameters such as rdisp/wp_no_dia, rdisp/wp_no_btc, and rdisp/wp_no_enq which control the number of dialog, background, and enqueue work processes, respectively.
  Increase the values of these parameters based on the system's requirements and the expected workload.
  Save the changes and restart the SAP instance for the changes to take effect.
  
  
  
  Monitor Work Process Usage:
  
  Use transaction SM50 to monitor the current status of work processes and identify any long-running or stuck processes.
  If certain processes are consistently taking too long, investigate the underlying transactions or programs to optimize them.
  
  
  
  Optimize Performance:
  
  Review and optimize long-running transactions or reports that may be consuming excessive resources.
  Consider implementing performance tuning measures, such as database optimization, code optimization, or adjusting batch job schedules.
  
  
  
  Load Balancing:
  
  If you are running a distributed system, ensure that the load is balanced across multiple application servers to prevent any single server from becoming a bottleneck.
  
  
  
  Review System Logs:
  
  Check system logs and performance traces for any errors or warnings that might indicate underlying issues affecting work process availability.
  
  
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to work process management.
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring work processes and performance tuning.
  System Monitoring Tools: Utilize SAP Solution Manager or other monitoring tools to keep track of system performance and workload distribution.
  
  By addressing the configuration and workload issues, you can resolve the SDBALM305 error and improve the overall performance of your SAP system.