How To Fix SDBALM186 - Low hit rate for OMS history data in the data cache (&1&3 < &2&3)

SDBALM186 - Overview

• Message type: E = Error

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

• Message number: 186

• Message text: Low hit rate for OMS history 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 SDBALM186 - Low hit rate for OMS history data in the data cache (&1&3 < &2&3) ?

  The SAP error message SDBALM186 indicates that there is a low hit rate for the Online Monitoring System (OMS) history data in the data cache. This can lead to performance issues, as the system is not efficiently retrieving data from the cache, which can result in increased database access and slower response times.
  
  Cause:
  The low hit rate for OMS history data can be caused by several factors, including:
  
  Insufficient Cache Size: The cache may not be large enough to hold the frequently accessed data, leading to a higher number of cache misses.
  Data Volatility: If the data in the cache changes frequently, it may not be reused effectively, resulting in a low hit rate.
  
  Configuration Issues: Incorrect configuration settings for the cache or the OMS can lead to suboptimal performance.
  High Data Load: A sudden increase in data volume or user activity can overwhelm the cache, leading to a low hit rate.
  Inefficient Queries: Queries that