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Dirk Nederveen 2023-05-23 20:51:40 +02:00
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<div class="slides">
<section>
<section data-markdown>
# About me * Dirk Nederveen,
[@dirk@blog.ndrvn.nl](https://blog.ndrvn.nl/u/dirk) * Husband,
father of 3, Streaming Engineer (QA) @Jet-Stream * Interests: -
Theology - Neurospychology - Reading - Beer brewing
# About me
* Dirk Nederveen, [@dirk@blog.ndrvn.nl](https://blog.ndrvn.nl/u/dirk)
* Husband, father of 3, Streaming Engineer (QA) @Jet-Stream
* Interests:
- Theology
- Neurospychology
- Reading
- Beer brewing
</section>
</section>
<!-- <section id="toc">
<h1>TOC</h1>
<ol style="list-style: lower-roman;">
<li><a href="#/deployment-anxiety-disorder">Deployment Anxiety Disorder</a></li>
<li><a href="#/feedback-latency">Feedback latency</a></li>
</ol>
</section> -->
<section data-markdown="" id="bluf">
# Why can't we deploy this today?
</section>
<section id="deployment-anxiety-disorder">
<section>
<em> Please raise your hand if you ever... </em>
<ul>
<li class="fragment">
deployed code that you didn't trust
<span class="fragment"
>with a service disruption as a consequence 😱💥</span
>
</li>
<li class="fragment">
deployed code that you <em>did</em> trust
<span class="fragment">that did boom anyway 😱💥</span>
</li>
<li class="fragment">
worked with an acceptance/staging environment
<span class="fragment">and production still did boom 😱💥</span>
</li>
<li class="fragment">
held off a deployment on a Friday, to avoid '😱💥'
</li>
<li class="fragment">... on a Thursday</li>
</ul>
</section>
<section data-markdown>
# Deployment Anxiety Disorder *A troublesome fear that prod go 💥.
Symptoms may include:* - excessive or insufficient release planning
- difficulty to perform updates - panic attacks - CYA strategies -
entertaining thoughts about working at Hornbach
# The story of a bug
Starring:
- 🦹🏻‍♂️ Customer
- 🦸🏼‍♂️ Support Hero
- 🧑‍💼 Product Owner
- 👩🏾‍💻 Sr. Dev
- 👷🏻‍♂️ Jr. Dev
- 👩🏼‍🚒 System Operator
</section>
<section data-markdown>
# Stress hormones * natural response to stress * acute stress:
adrenaline - fight-or-flight response - prepares your body for
action * prolonged stress: cortisol - freeze response - restlessness
- anxiety disorders, depression * mortal enemy AND big ally - big
ally if you learn to regulate the body response to stress hormones
- 🦹🏻‍♂️ Customer calls with a question about sending an invoice on Monday 1 May, 🦸🏼‍♂️ Support Hero logs ticket BS-1234 in
Jira
- 🧑‍💼 Product Owner, 👩🏾‍💻 Sr. Dev and 🦸🏼‍♂️ Support Hero have triage meeting on Thursday 4 May, bug confirmed, priority
'Highest'
- 🧑‍💼 Product Owner and 👩🏾‍💻 Sr. Dev have backlog grooming meeting on Friday 5 May
- Team has Sprint Planning meeting on Monday 8 May, commit to BS-1234 for 2 Story Points
👇
</section>
<section data-markdown>
- 👷🏻‍♂️ Jr. Dev picks up BS-1234, needs clarification and sends 🦹🏻‍♂️ Customer an email on Wednesday 10 May
- 🦹🏻‍♂️ Customer responds Thursday 11 May, 16:00
- 👷🏻‍♂️ Jr. Dev starts implementation on Monday 15 May, opens PR #2345 in GitHub
- 👩🏾‍💻 Sr. Dev responds to PR #2345 on Tuesday 16 May 16:00, needs improvement
👇
</section>
<section data-markdown>
- 👷🏻‍♂️ Jr. Dev processes feedback on Thursday 18 May, 10:00
- 👩🏾‍💻 Sr. Dev merges PR #2345 on Thursday 18 May 🎉
- 👩🏼‍🚒 System Operator prepares release after Sprint end, and deploys update on Tuesday, 23 May
</section>
</section>
<section
data-markdown
style="font-family: 'Comic Sans', 'Comic Neue'"
>
# Regulation 🏗️ * Respond to stress hormones for your benefit - from
*fight* to *take control* - from *flight* to *take a break* - from
*freeze* to *accept* * Apply brakes * Build trust * Control emotions
<section>
<section data-markdown="">
# Value stream mapping
- How the *value* flows through an organisation
- *Who* holds responsibility
</section>
<section
data-markdown
style="font-family: 'Comic Sans', 'Comic Neue'"
>
# Emotional regulation in software delivery 🏗️🏗️ * Apply brakes -
Commit to an *acceptable* workload - Communicate about your needs *
Build trust - Deliver quality software
<section data-markdown="">
* Delays in process
- Closed Sprint
- Asynchronous PR review
- Separate release team
* Hand-offs:
- 🦸🏼‍♂️ Support Hero ➡️ Dev Team
- 👷🏻‍♂️ Jr. Dev ➡️ 👩🏾‍💻 Sr. Dev
- Dev Team ➡️ 👩🏼‍🚒 System Operator
</section>
<section data-markdown="">
# What to do this Monday?
* Sketch how a 1-hour bug streams through your org
- Discovery
- Selection/prioritisation
- Implementation
- Verification
- To production
</section>
</section>
<section>
<section data-markdown="">
# Processes are there for a reason!
but whom do they benefit?
</section>
<section data-markdown="">
# Closed sprint
</section>
</section>
@ -100,60 +120,23 @@
<h1>Continuous delivery</h1>
<div style="width: 80%; float: left" data-markdown="">
* Build quality in * Work in small batches * Computers perform
repetitive tasks, people solve problems * Relentlessly pursue
continuous improvement * Everyone is responsible
* Build quality in
* Work in small batches
* Computers perform repetitive tasks, people solve problems
* Relentlessly pursue continuous improvement
* Everyone is responsible
</div>
<div style="float: right; width: 20%; height: 8em">
<a href="https://www.bol.com/nl/nl/p/accelerate/9200000080652224">
<img src="accelerate.jpg" style="height: 50%" /> </a
><br />
<a
href="https://www.informit.com/store/continuous-delivery-reliable-software-releases-through-9780321770424?ranMID=24808"
>
<img src="cd-book.png" style="height: 50%" />
<img src="accelerate.jpg" style="height: 50%;">
</a><br>
<a href="https://www.informit.com/store/continuous-delivery-reliable-software-releases-through-9780321770424?ranMID=24808">
<img src="cd-book.png" style="height: 50%;">
</a>
</div>
</section>
<section>
<section data-markdown>
# Value stream mapping How does the value stream through the
organisation? 👇
</section>
<section data-markdown>
- Customer calls with a question about sending an invoice on Monday
1 May, Support Hero logs ticket BS-1234 in Jira - Product Owner,
Tech Lead and Support Hero have triage meeting on Thursday 4 May,
bug confirmed, priority 'Highest' - Product Owner and Tech Lead have
backlog grooming meeting on Friday 5 May - Team has Sprint Planning
meeting on Monday 8 May, commit to BS-1234 for 2 Story Points 👇
</section>
<section data-markdown>
- Jr. Dev picks up BS-1234, needs clarification and sends Customer
an email on Wednesday 10 May - Customer responds Thursday 11 May,
16:00 - Jr. Dev starts implementation on Monday 15 May, opens PR
#2345 in GitHub - Sr. Dev responds to PR #2345 on Tuesday 16 May
16:00, needs improvement 👇
</section>
<section data-markdown>
- Jr. Dev processes feedback on Thursday 18 May, 10:00 - Sr. Dev
merges PR #2345 on Thursday 18 May 🎉 - Operations Team prepares
release after Sprint end, and deploys update on Tuesday, 23 May
</section>
<section data-markdown="">
Why is this process slow? * Closed Sprint (1 week) * Hand-offs: -
Support Hero ➡️ Tech Team - Jr. Dev ➡️ Sr. Dev - Dev Team ➡️ Ops
team * Delays in process - Asynchronous PR review - Separate release
team
</section>
<section data-markdown="">
# What to do this Monday? * Draw the value stream in your org *
</section>
</section>
</div>
</div>
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