Creating My Own PL/SQL Performance Monitoring Package ... · Creating My Own PL/SQL Performance...

Creating My Own PL/SQL

Performance Monitoring Tool

using PL/SQL and APEXWhy do DBA’s get all the cool tools?

Gary J. Propeck, Ph.D.

2/15/2018RMOUG Training Days 2018

1

Objectives

Develop an Application around the PL/SQL Profiler (DBMS_PROFILER)

Monitor PL/SQL Profiler Data Collection

Create Baselines and Thresholds

Report Threshold Violations during PL/SQL execution.

Use only Oracle-supplied tools

SQL Developer (17.2.0)

Application Express (APEX 5.1.3)

Oracle RDBMS 12.1.0.2

SQL*Plus


2

Objectives

Demonstrate PL/SQL Programming Techniques

Anonymous Blocks

Named Procedures

Named Functions

Packages

Package Body

Package Specification

Triggers


3

Objectives

Use PL/SQL “Encapsulation”.

No Privileges for Select, Insert, Update, or Delete granted on tables.

Data Entered and Manipulated via:

PL/SQL

APEX

Create Package to invoke PL/SQL Profiler (DBMS_PROFILER).


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MOTIVATIONWhy do this?


5

Motivating Factors

Unemployment?

Business?

Retirement?


6

Why do DBA’s get all the cool Oracle

tools?

Oracle Enterprise Manager (OEM)

AWR

ADDM

ASH

Metrics and Baselines


7

But…

Why?


8

Install the PL/SQL Profiler


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Install the PL/SQL Profiler

$ORACLE_HOME\rdbms\admin

proftab.sql

PLSQL_PROFILER_RUNS

PLSQL_PROFILER_DATA

PLSQL_PROFILER_UNITS

profload.sql

DBMS_PROFILER


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PLSQL_PROFILER_RUNSInstalled into user schema


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PLSQL_PROFILER_DATAInstalled in user schema


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PLSQL_PROFILER_DATAInstalled in user schema


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DBMS_PROFILERRUN AS SYSDBA


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Create Procedures to invoke and

stop PL/SQL Profiler


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Create Procedures and Functions for

Starting and Stopping the PL/SQL Profiler

start_profiler_proc1.pls

start_profiler_proc2.pls

start_profiler_func1.pls

start_profiler_func2.pls


16

Start_profiler_proc2.pls


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Test using an Anonymous Block


19

The Anonymous Block


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Capture The Anonymous Block


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Results


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Test using a Named Procedure


23

Compare the Anonymous Block to a

Named Procedure


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Compare the Anonymous Block to a

Named Procedure


25

Does Flushing the Shared Pool change

Performance


26

Using DBMS_PROFILER to Demonstrate the Effectiveness of the Shared Pool


27

Display Data with APEX


28

Query for APEX Chart


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APEX App Home Page


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Chart of Execution - Flush Shared Pool

for Each Execution


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Chart of Execution - Flush Shared Pool

for First Execution


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Create a PL/SQL Package


33

Benefits of a PL/SQL Package


34

Package Specification


35

SQL Developer Code Snippets


36

Compare Explicit Cursor Fetch

SyntaxesBasic Fetch

Cursor For Loop

Bulk Collect


37

Basic Fetch


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Cursor For Loop


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Bulk Collect


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View Result Data in APEX


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Regular Fetch in APEX


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Regular Fetch Chart with Average


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Regular Fetch Chart with Average

and Standard Deviations


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Build a semi-automatic Collection

SystemTables

PL/SQL Package

PL/SQL Triggers

APEX

Test


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Create New User TOPT_PROF

Schema – TOPT_PROF

Owns PL/SQL Profiler Tables

OWNS TOPT_PROF Collection Tables

Owns TOPT_PROF_PKG

Grants EXECUTE on TOPT_PROF_PKG to PUBLIC

NO SELECT, INSERT, UPDATE, DELETE Privileges Granted on TOPT_PROF Tables

Schema Owner GPRO1 owns COMP_REG_BULK and demo table


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Create Collection Tables

TOPT_PROF_COLLECTIONS

TOPT_PROF_BASELINE

TOPT_PROF_VIOLATIONS


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DBMS_SCHEDULER Job


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Create an Issue with the Cursor Query

Alter index BIG_TAB_OWNER_IDX invisible;

Query cannot use index


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TOPT_PROF_APP APEX Application


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APEX FORM on Table

TOPT_PROF_COLLECTIONS


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Regular Fetch Chart of Profiler Runs


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Create Baseline (and Threshold 3 STD.)


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Chart with Baseline and Threshold


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Create an Issue with the Cursor Query

Alter index BIG_TAB_OWNER_IDX invisible;

Query cannot use index


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Chart with Induced Error


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Reporting Threshold Violations


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TO-DO List

Send email notification

Incorporate the Hierarchical Profiler

Clean up and standardize APEX Application


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FINAL THOUGHTSYes we can!!!

www.theoldprotraining.com


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http://www.theoldprotraining.com/

Creating My Own PL/SQL Performance Monitoring Package ... · Creating My Own PL/SQL Performance...

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