How To Fix DB11176 - Wait event 'free buffer waits'

DB11176 - Overview

• Message type: E = Error

• Message class: DB11 - Oracle Monitor: messages

• Message number: 176

• Message text: Wait event 'free buffer waits'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB11176 - Wait event 'free buffer waits' ?

  The SAP error message DB11176, which indicates a wait event for "free buffer waits," typically arises in the context of database performance issues, particularly with Oracle databases. This wait event occurs when a process is waiting for a free buffer in the database's buffer cache. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  Insufficient Buffer Cache: The most common cause of "free buffer waits" is that the buffer cache is too small to accommodate the workload, leading to contention for free buffers.
  High Database Load: A sudden increase in database activity can lead to more processes competing for buffer space.
  Inefficient SQL Queries: Poorly optimized SQL queries can lead to excessive buffer usage, causing contention.
  Frequent Checkpointing: If the database is performing frequent checkpoints, it can lead to a temporary shortage of free buffers.
  Memory 
  Configuration Issues: Incorrect memory settings for the database instance can lead to inadequate buffer cache allocation.
  
  Solutions
  
  
  Increase Buffer