How To Fix SDBALM173 - High proportion of OMS data in the data cache (&1&3 > &2&3)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 173

• Message text: High proportion of OMS data in the data cache (&1&3 > &2&3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM173 - High proportion of OMS data in the data cache (&1&3 > &2&3) ?

  The SAP error message SDBALM173 indicates that there is a high proportion of Online Message Service (OMS) data in the data cache, which can lead to performance issues. This message typically arises when the amount of OMS data exceeds a certain threshold, which can affect the overall performance of the system.
  Cause:
  
  
  High OMS Data Volume: The primary cause of this error is that the volume of OMS data in the cache is too high compared to the total cache size. This can happen due to:
  
  A large number of messages being processed.
  Inefficient message handling or processing logic.
  Insufficient cache size configuration for the workload.
  
  
  
  Configuration Issues: The cache settings may not be optimized for the current workload, leading to an imbalance in the types of data stored in the cache.
  
  
  System Load: High system load or spikes in message traffic can lead to an increase in OMS data being cached.
  
  
  Solution:
  
  
  Adjust Cache Settings: Review and adjust the cache settings in the SAP system. You can increase the cache size or adjust the parameters related to the OMS data cache to better accommodate the workload.
  
  
  Monitor and Optimize Message Processing: Analyze the message processing logic to identify any inefficiencies. Optimize the way messages are handled to reduce the volume of OMS data being cached.
  
  
  Regular Maintenance: Implement regular maintenance tasks to clear out old or unnecessary data from the cache. This can help in managing the cache size effectively.
  
  
  System Performance Tuning: Consider tuning the overall system performance, including database performance, to ensure that the OMS data is processed efficiently.
  
  
  SAP Notes and Support: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error. You can search the SAP Support Portal for specific notes related to SDBALM173.
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SM12 (to check for locks), SM21 (to view system logs), and ST22 (to analyze dumps) to gather more information about the system's performance and issues.
  Monitoring Tools: Utilize SAP monitoring tools such as Solution Manager or transaction ST03N to analyze workload and performance metrics.
  Documentation: Refer to SAP documentation for detailed information on cache management and performance tuning.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the SDBALM173 error and improve the performance of your SAP system.