MGA (Managed Global Area) Reference Note
(Doc ID 2638904.1)
Last updated on JULY 26, 2021
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
The purpose of this document is to explain the MGA concept, MGA clients, MGA configuration and errors related to MGA.
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
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In this Document