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Reading and Understanding Systemstate Dumps (Doc ID 423153.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Oracle Database - Personal Edition - Version 10.2.0.1 and later
Oracle Database - Standard Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.

Purpose

 

To be able to read a systemstate, or navigate through a systemstate in order to identify what sessions are doing and , 
in the case of a waiting session, which session(s) hold the resource it requires 

Scope

This document is intended for DBAs.

Details

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In this Document
Purpose
Scope
Details
 How to use this document
 What is a Systemstate ?
 How to Navigate through a systemstate
 Common wait scenarios and corresponding Entries
 Enqueues
 Rowcache locks
 Library Cache Pins (10G - Mutexes)
 Library Cache Lock
 Latch free

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