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Easy Oracle Automation
Chapter 6 - Automatic System Resource Management

Guru Conversation for the Senior DBA

AWR in Memory Statistics

Some system and session statistics are stored in v$sysstat and v$sesstat. The following statistics are the most important statistics that are used by AWR:

  • OS Statistics - CPU and Memory using v$osstat.

Column

Description

STAT_NAME

Statistic name

VALUE

Statistic value at the moment

OSSTAT_ID

Statistic ID

  • Wait Classes – CPU, application, commit, concurrency, scheduler, I/O, admin, configuration, commit, cluster, and network are available using v$event_name.

Column

Description

EVENT#

Number of the wait event

EVENT_ID

Wait event identifier

NAME

Wait event name

PARAMETER1

First parameter description for the wait event

PARAMETER2

Second parameter description for the wait event

 


The above text is an excerpt from:

Easy Oracle Automation
Oracle10g Automatic Storage, Memory and Diagnostic Features

ISBN 0-9745993-6-0

by Dr. Arun Kumar R.
 


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