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View X$LOGBUF_READHIST and In-Memory Log Buffer Hit Rate Histogram (Doc ID 951152.1)

Last updated on MARCH 31, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.2 [Release 11.1 to 11.2]
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Purpose

Explain the X$LOGBUF_READHIST view and using it to tune the in-memory redo log buffer hit rate.

Scope

This article is informational and intended for any user.

Details

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In this Document
Purpose
Scope
Details
 Read Redo from In-memory Log Buffer
 Log Buffer Hit Rate Histogram

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