How To Fix SDBALM095 - Number of log queue overflows since the last measurement

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 095

• Message text: Number of log queue overflows since the last measurement

Description
The system displays the number of log queue overflows since the last
run of the data collector.
In the case of the first run of the data collector since a restart or
after the Alert Monitor is started, the number of log queue overflows
since the restart is displayed.
Data Collector
<ZH>Collector B</>
(RZ20 -> SAP CCMS Technical Experts Monitors -> All Monitoring Contexts
,,-> <Name of the database connection> -> Collectors and Internals
-> Collectors -> Collector B)

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

Preset runtime interval of Collector B: 15 minutes

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM095 - Number of log queue overflows since the last measurement ?

  The SAP error message SDBALM095 indicates that the number of log queue overflows has exceeded a certain threshold since the last measurement. This typically relates to the database log management in SAP systems, particularly in the context of database performance and monitoring.
  Cause:
  
  High Transaction Volume: A high number of database transactions can lead to log queue overflows if the system is unable to process them quickly enough.
  Insufficient Log Space: If the log space allocated for the database is insufficient to handle the volume of transactions, it can lead to overflow.
  Database Performance Issues: Slow database performance due to locking, long-running transactions, or inefficient queries can contribute to log queue overflow.
  Configuration Issues: Incorrect configuration settings for the database or the SAP system can lead to inadequate handling of log entries.
  
  Solution:
  
  Increase Log Space: Review and increase the size of the database log files or the log queue if possible. This can help accommodate more transactions before an overflow occurs.
  Optimize Database Performance:
  
  Analyze and optimize long-running transactions and queries.
  Check for locking issues and resolve them to improve throughput.
  Ensure that the database is properly indexed to speed up query performance.
  
  
  Monitor System Performance: Use SAP transaction codes like ST03N (Workload Analysis) and ST04 (Database Performance Analysis) to monitor system performance and identify bottlenecks.
  Adjust Configuration Settings: Review and adjust the configuration settings for the database and SAP system to ensure they are optimized for your workload.
  Regular Maintenance: Implement regular database maintenance tasks, such as archiving old data, to keep the database size manageable and improve performance.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide specific guidance or patches related to this error message.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for best practices on log management and performance tuning.
  SAP Community: Engage with the SAP Community forums for insights and experiences from other users who may have encountered similar issues.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the SDBALM095 error and improve the overall performance of your SAP system.