How To Fix TQ322 - Start: Slow import of switch tables

SAP Error Message - Details

• Message type: E = Error

• Message class: TQ - SAPup Messages

• Message number: 322

• Message text: Start: Slow import of switch tables

What causes this issue?

The new Repository is being loaded in parallel with productive
operations, and with reduced speed. The load tool takes regular breaks
to achieve this speed. Only the indexes cannot be created more slowly,
since this is performed by a single SQL statement.

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?

No action is required.

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 TQ322 - Start: Slow import of switch tables ?

  The SAP error message TQ322, which indicates "Start: Slow import of switch tables," typically arises during the import of transport requests that involve switch tables. This can occur in various scenarios, such as during system upgrades, transport of configuration changes, or when importing large datasets.
  Causes:
  
  Large Volume of Data: The transport request may contain a large number of entries, leading to longer processing times.
  Database Performance: Slow database performance can significantly impact the speed of data import. This could be due to high load, insufficient resources, or suboptimal database configuration.
  Lock Contention: If multiple processes are trying to access the same data simultaneously, it can lead to delays.
  Network Issues: If the transport is being imported over a network, any latency or bandwidth issues can slow down the process.
  System Configuration: Inefficient system settings or configurations can also contribute to slow performance during imports.
  
  Solutions:
  
  
  Optimize Database Performance:
  
  Ensure that the database is properly tuned and optimized for performance.
  Check for any long-running queries or locks that may be affecting performance.
  Consider increasing the resources allocated to the database server if necessary.
  
  
  
  Monitor System Load:
  
  Use transaction codes like ST03N or ST06 to monitor system performance and identify any bottlenecks.
  If the system is under heavy load, consider scheduling the import during off-peak hours.
  
  
  
  Check for Locks:
  
  Use transaction SM12 to check for any locks that may be causing contention.
  Resolve any unnecessary locks that could be impacting the import process.
  
  
  
  Transport Request Size:
  
  If possible, break down large transport requests into smaller ones to reduce the load during import.
  Review the contents of the transport request to ensure that only necessary objects are included.
  
  
  
  Network Optimization:
  
  If the import is being done over a network, ensure that the network is stable and has sufficient bandwidth.
  Consider using a direct connection if possible to reduce latency.
  
  
  
  SAP Notes and Support:
  
  Check for any relevant SAP Notes that may address known issues related to transport imports and switch tables.
  If the problem persists, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ST22 (Dump Analysis), SM21 (System Log), and SLG1 (Application Log) to diagnose issues.
  Performance Monitoring: Regularly monitor system performance and database health to preemptively address potential issues.
  Documentation: Review SAP documentation and best practices for managing transport requests and system performance.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the TQ322 error and improve the efficiency of your SAP system's transport processes.