EM12c Metric Extensions

Kellyn Pot’Vin

Sr. Techical Consultant

Designing, Deploying and Dynamic

Success

Kellyn Pot’Vin Westminster, Colorado

Oracle ACE, Sr. Technical Specialist at Enkitec

Specialize in performance and management of large enterprise environments.

Board of directors for RMOUG, Director of Training Days 2013 and Database Track Committee for KSCOPE 2013

Blog: DBAKevlar.com

Twitter: @DBAKevlar

Why We Monitor our

Databases

Pro-active notification of issues before

resulting in outages/impact to users.

Awareness of performance, resource

usage and demands.

Data collection to investigate

performance issues- current, recent and

historical.

Capacity planning.

Monitoring and Notification

Downfalls

Yahoo News- “Over 70% of workers would give up shower[ing] to eliminate unnecessary emails.”

Paging with “Successful” and/or “I’m OK”.

Not alerting for enough types of failures, instead covering with when complete.

Paging on “Warning”

Setting Critical thresholds too high vs. giving time to correct.

When Extend Current

Monitoring?

Specialized or proprietary applications could benefit from monitoring and alerting.

EM12c is all about adaptive and self-service.

Effective Monitoring of all mission-critical systems allows the business to be pro-active saving it time, resources and money.

Why Not Enhance User

Defined Metrics?

No Library to store and view.

No development cycle support, (dev testdeploy)

Lack of versioning.

Presentation Agenda

Metric Extensions

The Basics

The How

The Types

The Reasons

Rules vs. Metric Thresholds • Rule are Set Globally.

• Rules are Independent of Database Metric Settings.

What Are Metric Extensions?

A dynamically configured extensions feature allowing to monitor environment specific conditions.

Simplifies monitoring of operational processes that once only existed outside of the EM12c console.

Eliminates requirements for secondary monitoring and management tools.

Eliminate need for external scripting that may require more monitoring logic than EM Jobs can provide.

Metric Extensions Details Metric Extensions replace the formerly known “User

Defined Metrics”

User Defined Metrics were limited to database and host types, no longer with Metric Extensions.

Ability to build a metric extensions library to utilize for your own environment.

Full development cycle support

Using specific protocols , the Oracle Integration Adapter gathers data about targets for use with metrics extensions.

Metric Extension “Verbage”

Metric Extensions Use the following:

Target Type- Required to tell the metric what “tools” will be required to monitor.

Adapter- The type of “communicator” required to execute the metric extension.

Collection Frequency- Interval settings to collect the information.

Columns- Returned data from output and metric value settings.

Metric Extension Types Host Level

Java, including Jboss, JVM, OC4J, etc.

Metadata Repository

OMS- OMS, Repository, Platform

Oracle Access Managers

Oracle BI

Oracle Exadata system and components

Oracle HTTP and Weblogic server

And others….

Metric Determines the

Adapter

Depending on the type of Target, the

Adapter used by the Metric Extension

Changes…

Java- JMX(Java Mgmt Extensions/OS

Cmds

Cluster Database- OS Cmd/SQL

Apache HTTP Server- OS CMD

The “More” of Metric

Extensions

A simple wizard allows for easy development

and refinement of metric extensions.

Ability to test metrics using the “Test Page”

allows an ability to run real-time metric

evaluations to ensure definitions and scripts

are free of errors before deploying.

Loved, stand-alone scripts, with small changes

can become metric extensions, too!

Development Life Cycle

Enterprise > Monitoring >

Metric Extensions

First Step, General

OS Scripting, 2 Ways

Creating Your Own Script

Setting Input and Environment

Variables

Adding Custom Files

For more complex metric extensions, you

can upload parameter files, support files,

etc.

The Right Panel Display

Additional Info

Adding Columns

The output of the report will decide the

layout and type of columns:

Column and Thresholds The Percentage Used of Temp will be Returned as

part of the script, anything over 10 will alert a warning, anything 25 in this column will alert critical.

Choose a Target

Credentials

Choose a pre-existing setup or new?

Completed Creation, Now

Test!

Testing

o Testing can be done as many times as

necessary.

o A full explanation of any failure is shown

in the “Error Message” Window.

o A full log of the tests are retained in the

Metric Extensions Testing History.

The Finale!

Test, rinse, and repeat, (deploy/publish!)

Only publish once you are satisfied that all

testing was performed adequately.

Check_Temp Library Bound!

Publishing/Deploying/Retaining

Things to Remember

No Metric Extension is active UNTIL it is

deployed.

Just because a metric extension is in the

library, does not mean that it is ready to

deploy and should always be tested before

deployment.

You are deploying the metric extension to the

target, so if you are using a script, the script

will need to be on the (remote) target.

EM CLI and Metric Extensions Metric Extension Verbs

export_metric_extension

-- Export a metric extension to an archive file

get_unused_metric_extensions

-- Get a list of unused metric extensions

import_metric_extension

-- Import a metric extension archive file

publish_metric_extension

-- Publish a metric extension for use by all administrators

save_metric_extension_draft

-- Save a deployable draft of a metric extension

Make it Easy on Yourself

emcli help <verb> is your friend…

Metric Extensions Summary

Create development metric extension,

wizard will simplify process.

Test with test page and verify that all

steps, all features of the metric extension

test correctly.

Deploy to target separately or to groups.

Utilize to fulfill any missing areas in

monitoring environment.

Links

Step by Step to create a metric extension from Rob Zoeteweij-

http://oemgc.files.wordpress.com/2012/05/using-metric-extensions-in-

em12c.pdf

Oracle: Create and Use Metric Extensions-

http://www.oracle.com/webfolder/technetwork/tutorials/obe/em/em12c/

metric_extensions/Metric_Extensions.html

My Contact Info!

Company Website: www.enkitec.com

Blog: http://dbakevlar.com

Twitter: @DBAKevlar

RMOUG: www.rmoug.org

Linkedin: Kellyn Potvin and/or Rocky Mountain Oracle User Group

Email: dbakevlar@gmail.com or kpotvin@enkitec.com or

TrainingdaysDir@rmoug.org

Who: You and the world’s

leading authorities on

Exadata, all in one place.

What: Two days of deep

diving into the internals of all

things Exadata — providing

the tools and knowledge you

need to fully harness its

advanced powers.

When: E4 will be held on

August 5-6, 2013; 8:00 a.m. to

5 p.m. each day.

Where: Four Seasons Hotel &

Resort, Irving, Texas, AND

Online

Why: Because Exadata

machines everywhere want to

be fully understood and

appreciated.