How To Fix SDBALM156 - Data collector A (highest runtime frequency)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 156

• Message text: Data collector A (highest runtime frequency)

Description
Preset runtime interval: 5 minutes (300 seconds)
Collects and reports the data for the following nodes of the liveCache/
SAP DB alert monitoring tree, if they are visible:

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

Properties,,-- State,,-- Current State
,,,,-- Update Possible
,,,,-- Last Stop
,,,,-- Last Restart
,,,,-- Last Checkpoint
Space Management,,-- Data Area,,-- Total Data Space
,,,,-- Free Data Space
,,,,-- Used Data Space
,,-- Log Area,,-- Total Log Space
,,,,-- Free Log Space
,,,,-- Used Log Space
,,,,-- Log Writing
,,,,-- Autosave Log
,,,,-- Last Log Page Number
,,,,-- Last Log I/O Sequence Number
Performance,,-- User Tasks,,-- Connect Wait
,,-- Monitor,,-- OMS Memory Analysis
,,,,-- Database Trace
Health,,-- Bad Indexes,,-- Number of Bad Indexes
,,,,,,
Collectors and Internals ,,-- Collectors,,-- Data Collection
,,,,-- Collector A
,,-- Internals,,-- Last Restart
,,,,-- Last Check Shutdown

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM156 - Data collector A (highest runtime frequency) ?

  The SAP error message SDBALM156, which refers to "Data collector A (highest runtime frequency)," typically indicates an issue related to the data collection process in the SAP system, particularly in the context of database performance monitoring and analysis.
  Cause:
  The error message SDBALM156 usually arises due to one of the following reasons:
  
  High Runtime Frequency: The data collector is configured to run at a very high frequency, which may lead to performance issues or excessive resource consumption.
  Configuration Issues: There may be misconfigurations in the data collector settings, leading to inefficient data collection.
  System Performance: The underlying system may be experiencing performance bottlenecks, causing the data collector to exceed its expected runtime.
  Database Load: High load on the database can also lead to longer execution times for data collection tasks.
  
  Solution:
  To resolve the SDBALM156 error, consider the following steps:
  
  
  Adjust Data Collector Frequency:
  
  Review the configuration of the data collector and adjust the runtime frequency to a more reasonable value. This can help reduce the load on the system.
  
  
  
  Monitor System Performance:
  
  Check the overall performance of the SAP system and the database. Use transaction codes like ST03N (Workload Analysis) and ST04 (Database Performance Analysis) to identify any performance bottlenecks.
  
  
  
  Review Configuration Settings:
  
  Ensure that the data collector settings are correctly configured. This includes checking parameters related to data collection intervals and thresholds.
  
  
  
  Database Optimization:
  
  Optimize database performance by analyzing and tuning SQL queries, indexing, and other database parameters.
  
  
  
  Check for Background Jobs:
  
  Investigate if there are any background jobs that might be conflicting with the data collector's operation. Adjust their scheduling if necessary.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error or provide additional guidance on optimizing data collection.
  
  
  
  System Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on data collectors and performance monitoring.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Performance Monitoring Tools: Consider using SAP's performance monitoring tools, such as SAP Solution Manager, to gain deeper insights into system performance and data collection processes.
  
  By following these steps, you should be able to address the SDBALM156 error and improve the performance of your SAP system's data collection processes.