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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-180/">SRE Weekly Issue #180</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-180/">August 12, 2019</a>
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<a href="https://sreweekly.com/sre-weekly-issue-180/" title="Permalink to SRE Weekly Issue #180" class="email_only">View on sreweekly.com</a>
<div class="sreweekly-sponsor-message" style="border: 1px solid #b0b0b0; padding-left: 1rem; padding-right: 1rem; width: 80%; align: center; margin: 2rem auto 2rem auto;">
<h2 style="text-align: center; font-size: 80%; color: #909090;">A message from our sponsor, VictorOps:</h2>
<p>Endorsing a culture of blameless transparency around post-incident reviews can lead to continuous improvement and more resilient services. Check out an interesting technique that SRE teams are using to improve post-incident analysis and learn more from failure:</p>
<p><a href="http://try.victorops.com/sreweekly/ishikawas-fishbone-diagram">http://try.victorops.com/sreweekly/ishikawas-fishbone-diagram</a></p>
</div>
<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://rachelbythebay.com/w/2019/07/21/reliability/" target="_blank">Some items from my &#8220;reliability list&#8221;<br />
</a></div>
<div class="sreweekly-description">
<p>This reads like a mini list of war stories from a grizzled veteran reliability engineer&#8230; because that&#8217;s exactly what it is. Don&#8217;t forget to click the link at the bottom for the followup post!</p>
<p><small>rachelbythebay</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.verica.io/top-seven-myths-of-robust-systems/" target="_blank">Top Seven Myths of Robust Systems</a></div>
<div class="sreweekly-description">
<p>The myths:</p>
<blockquote>
<ol>
<li>Add Redundancy</li>
<li>Simplify</li>
<li>Avoid Risk</li>
<li>Enforce Procedures</li>
<li>Defend against Prior Root Causes</li>
<li>Document Best Practices and Runbooks</li>
<li>Remove the People Who Cause Accidents</li>
</ol>
</blockquote>
<p>If that doesn&#8217;t make you want to read this, I don&#8217;t know what will.</p>
<p><small>Casey Rosenthal — Verica</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.honeycomb.io/blog/treading-in-haunted-graveyards/" target="_blank">Treading in Haunted Graveyards</a></div>
<div class="sreweekly-description">
<p>The graveyard that no one dared tread in was the Terraform code. Once they got CI/CD set up, deploys became much easier — and less scary.</p>
<p><small>Liz Fong-Jones — Honeycomb</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://resilienceroundup.com/issues/42/" target="_blank">Resilience Roundup &#8211; Illusions of explanation: A critical essay on error classification</a></div>
<div class="sreweekly-description">
<p>My favorite idea in this article is that the absence of &#8220;errors&#8221; is not the same thing as safety.</p>
<p><small>Thai Woods (summary)</small></p>
<p><small>Sidney Dekker (original paper)</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://medium.com/kudos-engineering/increasing-resilience-in-kubernetes-b6ddc9fecf80" target="_blank">Increasing resilience in Kubernetes</a></div>
<div class="sreweekly-description">
<blockquote><p>High availability and resilience are key features of Kubernetes. But what do you do when your Kubernetes cluster starts to become unstable and it looks like your ship is starting to sink?</p></blockquote>
<p><small>Tim Little — Kudos</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://monzo.com/blog/2019/09/08/why-monzo-wasnt-working-on-july-29th">We had issues with Monzo on 29th July. Here&#8217;s what happened, and what we did to fix it.</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">
<blockquote><p>At this point, we&#8217;ve confirmed that something we thought was impossible, had in fact happened.</p></blockquote>
<p>I know the feeling, folks.</li>
</ul>
</li>
<li><a href="https://status.heroku.com/incidents/1819">Heroku Incident #1819 follow-up</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Heroku&#8217;s API service degraded when its external error logging provider suffered an outage.</li>
</ul>
</li>
<li><a href="https://status.slack.com/2019-08/28217646f99843b9">Slack</a></li>
<li><a href="https://www.thesun.co.uk/money/9656857/halifax-lloyds-banking-app-website-down-customers-locked-out/">Halifax and Lloyds (bank)</a></li>
<li><a href="https://www.nj.com/entertainment/2019/08/instagram-goes-down-again-across-globe-facebook-whatsapp-also-affected-whats-new.html">Facebook, Instagram, and WhatsApp</a></li>
<li><a href="https://www.hindustantimes.com/tech/google-search-faces-indexing-outage-globally-fixed-now/story-2omXk8cdpttrNPthd7BSyO.html">Google search indexing</a></li>
<li><a href="https://thenextweb.com/insider/2019/08/07/british-airways-system-failure-causes-delays-and-infinite-queues-again/">British Airways</a></li>
</ul>
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