How To Fix SDBALM189 - Low hit rate in the rollback cache (&1&3 < &2&3)

SDBALM189 - Overview

• Message type: E = Error

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

• Message number: 189

• Message text: Low hit rate in the rollback cache (&1&3 < &2&3)

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM189 - Low hit rate in the rollback cache (&1&3 < &2&3) ?

  The SAP error message SDBALM189 indicates that there is a low hit rate in the rollback cache, which can affect the performance of your SAP system. This message typically appears when the number of successful accesses to the rollback cache is significantly lower than the total number of accesses, suggesting that the cache is not being utilized effectively.
  
  Cause:
  
  Insufficient Cache Size: The rollback cache may be too small to hold the necessary data, leading to frequent cache misses.
  High Transaction Volume: A high volume of transactions can lead to rapid turnover in the cache, resulting in a low hit rate.
  Inefficient Data Access Patterns: If the application is not accessing the data in a way that takes advantage of the cache, it can lead to low hit rates.
  
  Configuration Issues: Incorrect configuration settings for the rollback cache can also contribute to this issue.
  
  
  Solution:
  
  
  Increase Cache Size: Consider increasing the size of the rollback cache. This