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Database Failures and Hangs in RAC due to MGA Sizing and Allocation Issues (Doc ID 2831121.1)

Last updated on DECEMBER 29, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 19.3.0.0.0 and later
Information in this document applies to any platform.

Purpose

This note covers common issues seen in RAC systems that are related to MGA (Managed Global Area) sizing and allocation issues. 
See the following note for a detailed description of the MGA and its functions:
  MGA (Managed Global Area) Reference Note (Document 2638904.1)

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Symptoms
 Cause
 Solution
References

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