Friday, June 1, 2007

All about the STATSPACK (Statistics Packages) in Oracle 8i, 9i & 10g

Dear Friends,

By default Oracle provides the STATSPACK information in the form of spdoc.txt under

Unix: $ORACLE_HOME/rdbms/admin/spdoc.txt

Windows: %ORACLE_HOME%\rdbms\admin\spdoc.txt

This document talks about the following contents.

TABLE OF CONTENTS
-------------------------------

0. Introduction and Terminology
1. Enterprise Manager (EM), Automatic Workload Repository (AWR) and Statspack
2. Statspack Configuration
2.1. Database Space Requirements
2.2. Installing the Tool
2.3. Errors during Installation
3. Gathering data - taking a snapshot
3.1. Automating Statspack Statistics Gathering
3.2. Using dbms_job
4. Running the Performance reports
4.1. Running the instance report
4.2. Running the instance report when there are multiple instances
4.3. Configuring the Instance Report
4.4. Running the SQL report
4.5. Running the SQL report when there are multiple instances
4.6. Configuring the SQL report
4.7. Gathering optimizer statistics on the PERFSTAT schema
5. Configuring the amount of data captured
5.1. Snapshot Level
5.2. Snapshot SQL thresholds
5.3. Changing the default values for Snapshot Level and SQL Thresholds
5.4. Snapshot Levels - details
5.5. Specifying a Session Id
5.6. Input Parameters for the SNAP and
MODIFY_STATSPACK_PARAMETERS procedures
6. Time Units used for Performance Statistics
7. Event Timings
8. Managing and Sharing performance data
8.1. Baselining performance data
8.1.1. Input Parameters for the MAKE_BASELINE and CLEAR_BASELINE
procedure and function which accept Begin and End Snap Ids
8.1.2. Input Parameters for the MAKE_BASELINE and CLEAR_BASELINE
procedure and function which accept Begin and End Dates
8.2. Purging/removing unnecessary data
8.2.1. Input Parameters for the PURGE procedure and function
which accept Begin Snap Id and End Snap Id
8.2.2. Input Parameters for the PURGE procedure and function
which accept Begin Date and End Date
8.2.3. Input Parameters for the PURGE procedure and function
which accept a single Purge Before Date
8.2.4. Input Parameters for the PURGE procedure and function
which accept the Number of Days of data to keep
8.2.5. Using sppurge.sql
8.3. Removing all data
8.4. Sharing data via export
9. New and Changed Features
9.1. Changes between 10.1 and 10.2
9.2. Changes between 9.2 and 10.1
9.3. Changes between 9.0 and 9.2
9.4. Changes between 8.1.7 and 9.0
9.5. Changes between 8.1.6 and 8.1.7
10. Compatibility and Upgrading from previous releases
10.1. Compatibility Matrix
10.1.1. Using Statspack shipped with 10.1
10.1.2. Using Statspack shipped with 10.0
10.1.3. Using Statspack shipped with 9.2
10.1.4. Using Statspack shipped with 9.0
10.1.5. Using Statspack shipped with 8.1.7 on 9i releases
10.2. Upgrading an existing Statspack schema to a newer release
10.2.1. Upgrading the Statspack schema from 10.1 to 10.2
10.2.2. Upgrading the Statspack schema from 9.2 to 10.1
10.2.3. Upgrading the Statspack schema from 9.0 to 9.2
10.2.4. Upgrading the Statspack schema from 8.1.7 to 9.0
10.2.5. Upgrading the Statspack schema from 8.1.6 to 8.1.7
10.2.6. Upgrading the Statspack schema from 8.1.6 to 9.2
10.2.7. Upgrading the Statspack schema from 8.1.6 to 9.0
10.2.8. Upgrading the Statspack schema from 8.1.7 to 9.2
11. Oracle Real Application Clusters specific considerations
11.1. Changing Instance Numbers
11.2. Cluster Specific Reports
11.3. Cluster Specific Data
12. Conflicts and differences compared to UTLBSTAT/UTLESTAT
12.1. Running BSTAT/ESTAT in conjunction to Statspack
12.2. Differences between Statspack and BSTAT/ESTAT
13. Removing the package
14. Supplied Scripts Overview
15. Limitations and Modifications
15.1. Limitations
15.2. Modifications


Happy reading!!!!

With Best Regards,
Sabdar Syed.
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