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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-163/">SRE Weekly Issue #163</a></h1>
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<div class="entry-date" itemprop="datePublished" >
<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-163/">March 10, 2019</a>
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<a href="https://sreweekly.com/sre-weekly-issue-163/" title="Permalink to SRE Weekly Issue #163" class="email_only">View on sreweekly.com</a>
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<h2 style="text-align: center; font-size: 80%; color: #909090;">A message from our sponsor, VictorOps:</h2>
<p>Being on-call sucks. To make it better, sign up for the free webinar, “How to Make On-Call Suck Less”, to learn 5 simple steps you can take to improve the on-call experience and become a more efficient SRE team:</p>
<p><a href="http://try.victorops.com/sreweekly/how-to-make-on-call-suck-less">http://try.victorops.com/sreweekly/how-to-make-on-call-suck-less</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.youtube.com/watch?v=TqaFT-0cY7U" target="_blank">Three analytical traps in accident investigation (YouTube, 7:36)</a></div>
<div class="sreweekly-description">
<p>Using an NTSB report on an airplane crash as a case study, this video presents three common traps we fall into in incident retrospectives:</p>
<blockquote>
<ol>
<li>Counterfactual reasoning</li>
<li>Normative language</li>
<li>Mechanistic reasoning</li>
</ol>
</blockquote>
<p>I want to make this required material for all retrospective participants.</p>
<p><small>Dr. Johan Bergström — Lund University</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.grab.com/peak-shift-demand-travel-trends" target="_blank">Recipe for building a widget: How we helped to “peak-shift” demand by helping passengers understand travel trends</a></div>
<div class="sreweekly-description">
<p>Peak-shifting can save you and your customers money and make load easier to handle.</p>
<p><small>Lara PuReum Yim, Prashant Kumar, Raghav Garg, Preeti Kotamarthi, Ajmal Afif, Calvin Ng Tjioe, and Renrong Weng — Grab<br />
</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.npmjs.org/post/183244752515/npm-on-call" target="_blank">npm On-Call</a></div>
<div class="sreweekly-description">
<p>These folks structured their on-call and incident response process around wombats (and sound guidelines and playbooks).</p>
<p><small>Wes Mason — npm</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.infoq.com/articles/crafting-resilient-culture" target="_blank">Crafting a Resilient Culture: Or, How to Survive an Accidental Mid-Day Production Incident</a></div>
<div class="sreweekly-description">
<p>Lots of great stuff in this case study on an incident involving Chef and Apache. My favorite:</p>
<blockquote><p>Enforcing processes arbitrarily as a way of trying to increase robustness often ends up making systems more fragile, as people will find ways to work around processes that frustrate their goals</p></blockquote>
<p><small>Ryn Daniels — HashiCorp</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.grab.com/structured-logging" target="_blank">Structured Logging: The Best Friend You’ll Want When Things Go Wrong</a></div>
<div class="sreweekly-description">
<p>Here&#8217;s how and why Grab rebuilt their logging pipeline around structured JSON events.</p>
<p><small>Aditya Praharaj — Grab</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.pagerduty.com/blog/four-agreements-incident-response/" target="_blank">The Four Agreements of Incident Response</a></div>
<div class="sreweekly-description">
<p>Don Miguel Ruiz&#8217;s Four Agreements as applied to incident response:</p>
<blockquote>
<ol>
<li>Be Impeccable With Your Word</li>
<li>Don’t Take Anything Personally</li>
<li>Don’t Make Assumptions</li>
<li>Always Do Your Best</li>
</ol>
</blockquote>
<p><small>Matt Stratton — PagerDuty</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://status.duo.com/incidents/cs9fnvd44plb">Duo Security</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Retrospective analysis included.</li>
</ul>
</li>
<li><a href="https://status.cloud.google.com/incident/cloud-networking/19005#19005001">Google Cloud Platform (Cloud Routers)</a></li>
<li><a href="https://status.fastly.com/incidents/k0xmjw4y8rms">Fastly</a></li>
<li><a href="https://www.theblockcrypto.com/tiny/wells-fargo-experiencing-nationwide-outage-of-atms-and-online-banking-services/">Wells Fargo</a></li>
<li><a href="https://status.hostedgraphite.com/incidents/dw42jfp9wcjg">Hosted Graphite</a></li>
</ul>
</div>
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