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APM in Continuous Delivery and DevOps

(R)Evolutionize APM

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Insertimage here Martin Etmajer

Senior Technology Strategist at Dynatrace

martin.etmajer@dynatrace.com

@metmajer

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Do we have a Software Crisis?

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» projects running over-budget

» projects running over-time

» software was very inefficient

» software was of low quality

» software often did not meet requirements

» code was complex and difficult to maintain

» software was often never delivered

The “Software Crisis” as of 1968

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» projects running over-budget

» projects running over-time

» software was very inefficient

» software was of low quality

» software often did not meet requirements

» code was complex and difficult to maintain

» software was often never delivered

The “Software Crisis” as of 1968 today?

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Status Quo: The CHAOS Manifesto 2013

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Status Quo: The CHAOS Manifesto 2013

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Why can’t making Softwarebe more like building Bridges?

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How to ignore an Undesirable Situation

Hear no failure

See no failure

Speak no failure

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Houston, we have a Problem! My Problem?

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“We need to create a culture that reinforces the value of taking risks and learning from failure and the need for repetition and practice to create mastery.” Gene Kim, The Phoenix Project

A key-principle of DevOps

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Because you don’t want this...

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Unless you workfor the competition

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...and certainly not this...

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How to Improve?

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Agile and Lean Practices to the Rescue

Continuous Delivery

DevOps

Source: Google Trends

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Agile and Lean Practices to the Rescue

Continuous DeliveryDevOps

Source: Google Trends

SCRUM

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(Very) Recommended Readings

Reliable Software Releases throughBuild, Test and Deployment Automation

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The Utmost Goal: Minimize Lead Time

feature lead time time

Customer Users

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The Utmost Goal: Minimize Lead Time

feature lead time time

Customer minimize Users

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The Utmost Goal: Minimize Lead Time

feature lead time time

Customer

You

This is when youcreate value!

minimize

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Use Case I:Uncover Issues (Pro)ActivelyBefore they affect your Users

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Rate of Diminishing Returns of Fixing Bugs

Developers shouldnot spend time here!

Low yield!

Concentrate on these!Concentrate on these!Concentrate on these!

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A Project Little Helper: Kanban Board

Shows WIP

Tasks

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Implement and Test...

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Dynatrace in Automated Testing

12 0 120ms

3 1 68ms

Build 20 testPurchase OK

testSearch OK

Build 17 testPurchase OK

testSearch OK

Build 18 testPurchase FAILED

testSearch OK

Build 19 testPurchase OK

testSearch OK

Build # Test Case Status # SQL # Exceptions CPU

12 0 120ms

3 1 68ms

12 5 60ms

3 1 68ms

75 0 230ms

3 1 68ms

Test Framework Results Architectural Data

Regression!

Problem solved!

Exceptions probably reasonfor failed tests

Problem fixed but now we have an architectural regression

Problem fixed but now we have an architectural regression!Now we have the functional and

architectural confidence

Let’s look behind the scenes

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#1: Analyze each Test

#2: Metrics for each Test

#3: Regression Detection

based on Metric

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Allow Metricsto fail builds?

Dynatrace Test Automation Plugin for Jenkins

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High-level KPIsper Build

Trending

Test Results@Project Level

Dynatrace Test Automation Plugin for Jenkins

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Use Case II:Uncover Issues (Re)ActivelyAfter they affected your Users

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Do we still need War Rooms?

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“I’ve muddled over the same log files for weeks sometimesto extrapolate the relationships between different systems[...] before having my eureka moment.”

RecklessKelly (Operator) on reddit

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Can we do Better?

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Host Health?

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Transactions Health?

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Relevance?

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Dynatrace Session File

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Get Everyone into a War Room?

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Get Everyone into a War Room?

NO!

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Instead?

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Takeaways?

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Takeaways?

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Takeaways?

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Takeaways?

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» identified whether it’s been the host, process or transactions

» identified which critical business functionality was affected

» been able to prioritze the failure and secure evidence

» gotten the right people on the same table

» taken minutes, not weeks!

Awesome! We have...

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Thank you!

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