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Semaphores and Shared Memory - An Overview (Doc ID 153961.1)

Last updated on FEBRUARY 22, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 7.3.0.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Purpose

To provide an overview of shared memory and semaphores, answer common questions related to these OS resources and provide links to more detailed information.

Scope

This document is intended for anyone who is responsible for creating or administering an Oracle Database. It is intended to compliment the semaphore and shared memory information already provided in the Oracle Installation Guides.

<Note 116638.1> Understanding and Obtaining Oracle Documentation

Details

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In this Document
Purpose
Scope
Details
 Background
 Semaphores
 Shared Memory
References

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