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- Not Just Web: End-to-End

- More on http://blog.dynatrace.com

- Dynatrace Free Trial: http://bit.ly/dttrial

Hosted by: Andreas Grabner - @grabnerandi

How to keep you out of the News

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Nobody wants this …

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Nor this …

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As it leads to this …

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The “War Room”

Facebook – December 2012

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And potentially to this …

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And this …

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And that’s why Business doesn’t like it either …

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~80% of problems

caused by ~20% patterns

YES we know this

80% Dev Time in Bug Fixing

$60B Defect Costs

BUT

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5 Situations on

WHY this happened,

HOW to avoid it

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#Push without a Plan

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Mobile Landing Page of Super Bowl Ad

434 Resources in total on that page:230 JPEGs, 75 PNGs, 50 GIFs, …

Total size of ~ 20MB

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m.store.com redirects to www.store.com

ALL CSS and JS files are

redirected to the www domain

This is a lot of time “wasted” especially on high latency mobile

connections

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Fifa.com during Worldcup

http://apmblog.compuware.com/2014/05/21/is-the-fifa-world-cup-website-ready-for-the-tournament/

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#“Blindly” (Re)use Existing

Components

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Requirement: We need a report

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Using Hibernate results in 4k+ SQL Statements to display 3 items!

Hibernate Executes 4k+ Statements

Individual Execution VERY

FAST

But Total SUM takes 6s

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Deployment gone bad

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Test Environment

Production Environment

8x slower

3x more SQL

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Test Environment Production Environment

Hibernate, Classloading,

XML – The Key Hotspots

Hibernate, Classloading, XML

– The Key Hotspots

I/O for Web Requests doesn’t

even show up!

That’s Normal: Having I/O for Web

Request as main contributor

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Top Contributor Class.getInterfaces

Called from Hibernates FieldInterceptionHelper

These calls all originate form thousands of calls to

find item by code

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Top Methods related to XML Processing

Classloading is triggered through CustomMonnkey and the Xalan

Parser

Classloading is triggered through CustomMonkey and the Xalan

Parser

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Architectural Decisions gone

Bad

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We wanted Web 2.0 and Mobile Ready!

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Don’t assume

You know the environment

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Distance Calculation Issues

480km biking in 1 hour!

Solution: Unit Test in Live App reports Geo

Calc Problems

Finding: Only happens on certain

Android versions

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3rd Party Issues

Impact of bad 3rd party calls

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#No “Agile” Deployment

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Load Spike resulted in UnavailabilityAd o

n air

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Alternative: “GoDaddy goes DevOps”

1h before SuperBowl KickOff

1h after Game ended

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Behind the Scenes

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Quick Demo

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• Get it here: http://bit.ly/dttrial

• YouTube Tutorials: http://bit.ly/dttutorials

• Live Q&A Sessions: http://bit.ly/onlineperfclinic

• Contact me: agrabner@dynatrace.com - @grabnerandi

•Special Offer:

• Lifetime license for Browser Diagnostics

• 180 Days for End-To-End

30 Days Dynatrace Free Trial

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Andreas GrabnerDynatrace Developer Advocate

@grabnerandi

http://blog.dynatrace.com