How To Fix SDBALM146 - Number of "Out of Memory" exceptions (total)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 146

• Message text: Number of "Out of Memory" exceptions (total)

Description
Total number of "Out Of Memory" exceptions with timestamp
YYYYMMDDHHMMSS of the time at which this value was calculated.
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 SDBALM146 - Number of "Out of Memory" exceptions (total) ?

  The SAP error message SDBALM146 indicates that the system has encountered a number of "Out of Memory" exceptions. This typically means that the database or application server has run out of memory resources, which can lead to performance issues or system crashes. Here’s a breakdown of the cause, potential solutions, and related information:
  Causes:
  
  Insufficient Memory Allocation: The system may not have enough memory allocated to handle the workload, especially if there are many concurrent users or large data processing tasks.
  Memory Leaks: There may be a memory leak in the application or database, where memory is not being released properly after use.
  High Workload: A sudden spike in workload or inefficient queries can lead to excessive memory consumption.
  Configuration Issues: Incorrect configuration settings for the database or application server can lead to inefficient memory usage.
  Large Data Volumes: Processing large datasets without proper optimization can lead to memory exhaustion.
  
  Solutions:
  
  
  Increase Memory Allocation: 
  
  Review and increase the memory settings for the database and application server. This can often be done in the configuration files or through the SAP management console.
  For example, in the SAP HANA database, you can adjust the memory allocation settings in the global.ini file.
  
  
  
  Optimize Queries: 
  
  Analyze and optimize SQL queries to ensure they are efficient and do not consume excessive memory.
  Use transaction codes like ST05 (SQL Trace) to identify slow or resource-intensive queries.
  
  
  
  Monitor and Manage Workload: 
  
  Use SAP tools like ST03N (Workload Analysis) to monitor system performance and identify peak usage times.
  Consider implementing workload management strategies to balance the load on the system.
  
  
  
  Check for Memory Leaks: 
  
  Use tools like the SAP Memory Inspector to identify potential memory leaks in the application.
  Regularly update and patch the SAP system to ensure that known issues are resolved.
  
  
  
  Review Configuration Settings: 
  
  Ensure that the configuration settings for the database and application server are optimized for your specific workload and usage patterns.
  Consult SAP documentation for recommended settings based on your system landscape.
  
  
  
  Increase Hardware Resources: 
  
  If the system consistently runs out of memory, consider upgrading the hardware resources (RAM, CPU) of the server hosting the SAP system.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning for specific guidance and best practices.
  SAP Community: Engage with the SAP Community forums to find discussions and solutions from other users who may have faced similar issues.
  Monitoring Tools: Utilize SAP monitoring tools like SAP Solution Manager to keep track of system performance and memory usage over time.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the SDBALM146 error and improve the overall performance of your SAP system.