MGA (Managed Global Area) Reference Note
(Doc ID 2638904.1)
Last updated on APRIL 28, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 12.2.0.1 and laterGeneric UNIX
Purpose
The purpose of this document is to explain the MGA concept, MGA clients, MGA configuration and errors related to MGA.
Scope
This note contains the following topics:
-
About MGA (Managed Global Area)
- Difference between MGA/PGA/SGA
- MGA Clients and Use Cases
- MGA Usage
- MGA Parameters
- New Wait Events Related to MGA
- MGA System Configuration
-
Memlock Limits Configuration When Using IPCMGA
- MGA Related Errors
- Existing MGA Related Bugs
Details
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In this Document
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