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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-278/">SRE Weekly Issue #278</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-278/">July 11, 2021</a>
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<a href="https://sreweekly.com/sre-weekly-issue-278/" title="Permalink to SRE Weekly Issue #278" 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, StackHawk:</h2>
<p>Learn how our team at StackHawk tests external cookie authentication using Ktor, and check out some of the helper functions we wrote to make the tests easy to write, read, and maintain<br />
<a href="https://sthwk.com/ktor">https://sthwk.com/ktor</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=rK_7ozvm53o" target="_blank">That Sinking Feeling (The #HugOps Song)</a></div>
<div class="sreweekly-description">
<p>Whoa.  This is the best thing ever.  I feel like I want to make this the official theme song of SRE Weekly.</p>
<p><small>Forrest Brazeal</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.reddit.com/r/RedditEng/comments/o4ygp0/rwallstreetbets_incident_anthology_what_worked/" target="_blank">r/WallStreetBets Incident Anthology (What Worked Edition): Autoscaler</a></div>
<div class="sreweekly-description">
<p>Their auto-scaling algorithm needed a tweak. Before: scale up by N instances. After: scale up by an amount proportional to the current number of instances.</p>
<p><small>Fran Garcia — Reddit</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://rootly.io/blog/the-incident-review-4-incidents-in-outer-space" target="_blank">The Incident Review: 4 Incidents in Outer Space</a></div>
<div class="sreweekly-description">
<blockquote><p>here’s a look at incidents and reliability challenges that have occurred in outer space, and what SREs stand to learn from them.</p></blockquote>
<p><small>JJ Tang — Rootly</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.getcortexapp.com/post/prepare-for-overnight-success-with-the-right-load-testing-approach" target="_blank">Prepare for overnight success — with the right load testing approach</a></div>
<div class="sreweekly-description">
<p>This one includes 3 key things to remember while load testing. My favorite: test the whole system, not just parts.</p>
<p><small>Cortex</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.getcortexapp.com/post/4-ways-to-improve-your-influence-as-an-sre" target="_blank">4 ways to improve your influence as an SRE</a></div>
<div class="sreweekly-description">
<p>SRE is as much about building consensus and earning buy-in as it is about actual engineering.</p>
<p><small>Cortex</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://codersociety.com/blog/articles/noops" target="_blank">NoOps: What Does the Future Hold for DevOps Engineers?</a></div>
<div class="sreweekly-description">
<p>The definition of NoOps in this article is more clear than others I&#8217;ve seen. It&#8217;s not about firing your operations team — their skill set is still necessary.</p>
<p><small>Kentaro Wakayama</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.last9.io/need-for-systems-observability/" target="_blank">Systems Observability</a></div>
<div class="sreweekly-description">
<p>Even though I know what observability is, I got a lot out of this article. It has some excellent examples of questions that are hard to answer with traditional dashboards, and includes my new favorite term:</p>
<blockquote><p>The industrial term for this problem is <strong>Watermelon Metrics</strong>; A situation where individual dashboards look green, but the overall performance is broken and red inside.</p></blockquote>
<p><small>Nishant Modak and Piyush Verma — Last9</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://surfingcomplexity.blog/2021/07/10/controlling-a-process-we-dont-understand/" target="_blank">Controlling a process we don’t understand</a></div>
<div class="sreweekly-description">
<blockquote><p>Instead, we should consider the fields there where <strong>practitioners are responsible for controlling a dynamic process that’s too complex for humans to fully understand</strong>.</p></blockquote>
<p><small>Lorin Hochstein</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://medium.com/booking-com-infrastructure/troubleshooting-a-journey-into-the-unknown-e31b524fa86" target="_blank">Troubleshooting: A journey into the unknown</a></div>
<div class="sreweekly-description">
<p>In this epic troubleshooting story, a weird curl bug coupled with Linux memory tuning parameters led to unexpected CPU consumption in an unrelated process.</p>
<p><small>Pavlos Parissis — Booking.com</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://medium.com/back-market-engineering/how-back-market-sres-prepared-for-black-friday-5f017f343408" target="_blank">How Back Market SREs prepared for Black Friday</a></div>
<div class="sreweekly-description">
<p>Learning a lesson from a rough Black Friday in 2019, these folks used load testing to gather hard data on how they would likely fare in 2020.</p>
<p><small>Mathieu Garstecki — Back Market</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://interestingengineering.com/turkish-banks-system-down-for-over-24-hours-possibly-one-of-the-longest-in-the-industry">Akbank</a></li>
<li><a href="https://thenewdaily.com.au/finance/consumer/2021/07/06/commonwealth-bank-outage-july/">Commonwealth Bank</a></li>
<li><a href="https://status.heroku.com/incidents/2299">Heroku</a></li>
<li><a href="https://twitter.com/TikTokSupport/status/1412508896552534019">TikTok</a></li>
</ul>
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