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DevOps – what is it and why
is it valuable to business?
Paul Swartout
Who am I?
• Husband, Father, dog owner, software development manager and
author of 'Continuous delivery and DevOps: A quickstart guide” – now
in it’s 2nd edition
• Over 20 years experience in IT - development, operations and
management
• Passionate about delivering quality software solutions
Why DevOps
Agile Manifesto (2001)
• We are uncovering better ways of developing software by doing it and
helping others do it. Through this work we have come to value:
• Individuals and interactions over processes and tools
• Working software over comprehensive documentation
• Customer collaboration over contract negotiation
• Responding to change over following a plan
• That is, while there is value in the items on the right, we value the
items on the left more.
Scrum
Continuous Delivery
http://www.informit.com/articles/article.aspx?p=1641923&seqNum=3
Allspaw & Hammond – deliver 10 times per
day at flickr
http://www.slideshare.net/jallspaw/10-deploys-per-day-dev-and-ops-cooperation-at-flickr
The DevOps movement
http://devopsdays.org/events/2009-ghent/
http://www.anthonyburrill.com/purchase/i-like-it
DevOps engineer = DevOps
http://www.stimulbrain.com/how-can-creative-thinking-help-me-solve-problems/
http://www.jillkonrath.com
Case study
Did DevOps work for MixRadio?
• 2010 (Nokia Music)
• 4 major (and painful) releases
• Over 200 people involved in a
given release – including top $
brass
• Live downtime required to release
software
• Release issues cause additional
downtime
• We shipped a handful of features
• 2016 (MixRadio)
• One engineer needed to release to
production (takes <15 mins)
• Everyone can see what’s
happening on the live platform in
real time
• Down-time is a dim and distant
memory
• Release related incidents are
unheard of
• Features delivered within 6wks on
average
Key business benefits – the business view
• Cost reduction and removal of waste
• We don't need as many people to ship software so they can spend more
time creating more of it
• Predictability and competitive advantage
• Time to market can be counted in weeks not quarters
• Innovation and experimentation
• We are able try new things and take measured risks (such as moving entire
platform to two cloud providers with no user impact or downtime)
Key business benefits - the team’s view
• We can now focus our energies on building new features and
capabilities - not on trying to deliver them
• Delivery is just another task we do
• We have a greater understanding of our live platform and how it is
used
• We work together and trust each other - no more “my precious”
conflicts
• No blame = chance to learn and improve
• We feel like we add value
Summary and learnings
• CD & DevOps is not a silver bullet and it’s not just about tooling and
technology
• CD & DevOps can only help if you have a problem to solve
• Cultural change is not an easy thing to implement and takes time,
dedication, effort and patience
• Some people may not want / be able to work this way
• You need to measure progress and keep measuring - inspect and
adapt
• Incentivise against a common goal
Where to start?
• Get influential people / person enthused and engaged
• You’ll need “buy in” from decision makers
• Identify problems to solve
• Maybe focus on a small but problematic part of the platform which is difficult
to release
• Identify and enlist those who will help drive things forward
• Stick to (P)lan (D)o (C)heck (A)djust cycle
• Run some “safe to fail” experiments and learn from them
• Have fun and enjoy the experience
• Buy a book and do some reading
WEB: www.swartout.co.uk
EMAIL: paul@swartout.co.uk
TWITTER: @pswartout

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Dev ops – what and why - Bristech - July 2016

  • 1. DevOps – what is it and why is it valuable to business? Paul Swartout
  • 2. Who am I? • Husband, Father, dog owner, software development manager and author of 'Continuous delivery and DevOps: A quickstart guide” – now in it’s 2nd edition • Over 20 years experience in IT - development, operations and management • Passionate about delivering quality software solutions
  • 3.
  • 5. Agile Manifesto (2001) • We are uncovering better ways of developing software by doing it and helping others do it. Through this work we have come to value: • Individuals and interactions over processes and tools • Working software over comprehensive documentation • Customer collaboration over contract negotiation • Responding to change over following a plan • That is, while there is value in the items on the right, we value the items on the left more.
  • 8. Allspaw & Hammond – deliver 10 times per day at flickr http://www.slideshare.net/jallspaw/10-deploys-per-day-dev-and-ops-cooperation-at-flickr
  • 11.
  • 13.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 24. Did DevOps work for MixRadio? • 2010 (Nokia Music) • 4 major (and painful) releases • Over 200 people involved in a given release – including top $ brass • Live downtime required to release software • Release issues cause additional downtime • We shipped a handful of features • 2016 (MixRadio) • One engineer needed to release to production (takes <15 mins) • Everyone can see what’s happening on the live platform in real time • Down-time is a dim and distant memory • Release related incidents are unheard of • Features delivered within 6wks on average
  • 25.
  • 26. Key business benefits – the business view • Cost reduction and removal of waste • We don't need as many people to ship software so they can spend more time creating more of it • Predictability and competitive advantage • Time to market can be counted in weeks not quarters • Innovation and experimentation • We are able try new things and take measured risks (such as moving entire platform to two cloud providers with no user impact or downtime)
  • 27. Key business benefits - the team’s view • We can now focus our energies on building new features and capabilities - not on trying to deliver them • Delivery is just another task we do • We have a greater understanding of our live platform and how it is used • We work together and trust each other - no more “my precious” conflicts • No blame = chance to learn and improve • We feel like we add value
  • 28. Summary and learnings • CD & DevOps is not a silver bullet and it’s not just about tooling and technology • CD & DevOps can only help if you have a problem to solve • Cultural change is not an easy thing to implement and takes time, dedication, effort and patience • Some people may not want / be able to work this way • You need to measure progress and keep measuring - inspect and adapt • Incentivise against a common goal
  • 29. Where to start? • Get influential people / person enthused and engaged • You’ll need “buy in” from decision makers • Identify problems to solve • Maybe focus on a small but problematic part of the platform which is difficult to release • Identify and enlist those who will help drive things forward • Stick to (P)lan (D)o (C)heck (A)djust cycle • Run some “safe to fail” experiments and learn from them • Have fun and enjoy the experience • Buy a book and do some reading