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AWR Report Interpretation Checklist for Diagnosing Database Performance Issues (Doc ID 1628089.1)

Last updated on SEPTEMBER 01, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Purpose

This document provides a checklist for starting to interpret an AWR (Automatic Workload Repository) report. The AWR report contains a significant amount of information, so it helps to focus on certain areas to get started.

Scope

Parties interested in interpreting AWR report information to resolve performance issues.

Details

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In this Document
Purpose
Scope
Details
 Starting Points
 Oracle Diagnostic Method
 The nature of AWR, ADDM and ASH
 Checklist
 Checklist Detail
 Implement findings from an ADDM report from the same snapshot interval
 Review Overall picture from AWR header information
 Check Host and Instance CPU to determine the proportion of CPU usage by this instance
 Check the Load profile to use later in the context of the top waits
 Examine Top 5 Timed Events for highest resource users
References

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