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How To Calculate The Required Network Bandwidth Transfer Of Redo In Data Guard Environments (Doc ID 736755.1)

Last updated on NOVEMBER 15, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 9.0.1.0 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.

Goal

Goal is to transfer and apply redo as fast as possible in a Data Guard environment. To achieve this we have to calculate the required network bandwidth based on the redo generation rate on the primary database.

Solution

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In this Document
Goal
Solution
 The formula used (assuming a conservative TCP/IP network overhead of 25%) for calculating the network bandwidth is :
 
Measuring the Peak Redo Rate
 Example:

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