How To Fix DO678 - Parallel execution: & sec., Phase out time: & sec., Load: & percent

SAP Error Message - Details

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 678

• Message text: Parallel execution: & sec., Phase out time: & sec., Load: & percent

Parallel Processing
Time interval between starting the first and receiving the last task.
Phase out time
Time interval between the moment when not all the parallel processes
can be occupied and the moment the last process finishes.
Ideally all the parallel processes should finish at the same time,
since in this case the system would work with maximum power for the
entire processing time. The shorter the phase out time is (in relation
to the processing time), the better is the distribution of the objects
in tasks.
If an error occurs during the phase out time, the faulty task is
repeated. The phase out time displayed is not meaningful in this case.
Load
Utilization of the processes in percent
( = Sum of the process times / (processing time * no. of processes) )

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DO678 - Parallel execution: & sec., Phase out time: & sec., Load: & percent ?

  The SAP error message DO678 typically relates to issues with parallel processing in the SAP system. This message indicates that the system is experiencing delays or performance issues during the execution of parallel tasks. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  High Load on System: The system may be under heavy load, causing delays in processing parallel tasks.
  Resource Contention: There may be contention for system resources (CPU, memory, I/O) among different processes.
  Configuration Issues: The configuration settings for parallel processing may not be optimized for the current workload.
  Long-running Processes: Some processes may be taking longer than expected, leading to a backlog in parallel execution.
  Database Performance: Slow database performance can also contribute to delays in processing.
  
  Solutions:
  
  Monitor System Performance: Use transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze system performance and identify bottlenecks.
  Adjust Parallel Processing Settings: Review and adjust the settings for parallel processing in the system. This can be done in transaction RZ10 (Profile Parameters) or RZ11 (Profile Parameter Maintenance).
  Optimize Long-running Jobs: Identify and optimize any long-running jobs that may be causing delays. This can involve tuning SQL queries, optimizing ABAP code, or adjusting job scheduling.
  Increase System Resources: If the system is consistently under heavy load, consider increasing the hardware resources (CPU, memory) or optimizing the existing resources.
  Database Tuning: Work with your database administrator to ensure that the database is properly tuned and optimized for performance.
  Review Background Job Scheduling: Ensure that background jobs are scheduled appropriately to avoid peak load times.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to performance issues and parallel processing. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM66 (Global Work Process Overview), and ST22 (Dump Analysis) for troubleshooting.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Performance Tuning Guides: Refer to SAP’s performance tuning guides for best practices on optimizing system performance.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the issues related to the DO678 error message and improve the performance of parallel execution in your SAP system.