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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-262/">SRE Weekly Issue #262</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-262/">March 21, 2021</a>
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<a href="https://sreweekly.com/sre-weekly-issue-262/" title="Permalink to SRE Weekly Issue #262" 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>Join the Secure Coding Summit to hear from industry-leading AppSec and DevSecOps practitioners, analysts, and visionaries as they share their best pro tips to level up your code security.<br />
<a href="http://sthwk.com/secure-code-summit">http://sthwk.com/secure-code-summit</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.verica.io/blog/four-prerequisites-for-chaos-engineering/" target="_blank">The Prerequisites for Chaos Engineering</a></div>
<div class="sreweekly-description">
<blockquote><p>Chaos Engineering isn’t adding chaos to your systems—it’s seeing the chaos that already exists in your systems.</p></blockquote>
<p>Along with four prerequisites, this article also includes 3 myths about chaos engineering that might be making you feel hesitant about starting.</p>
<p><small>Courtney Nash — Verica</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.transposit.com/blog/2020.05.07-managing-on-call-in-a-pandemic/" target="_blank">Managing On-Call in a Pandemic</a></div>
<div class="sreweekly-description">
<p>This one&#8217;s from May of last year. Almost a year on, it&#8217;s interesting to see which of these we&#8217;ve already implemented.</p>
<p><small>Ashley Roof — Transposit</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.indeedblog.com/blog/2019/10/being-just-reliable-enough/" target="_blank">Being Just Reliable Enough</a></div>
<div class="sreweekly-description">
<p>An amusing parable illustrating why not to try to be <em>too</em> reliable.</p>
<p><small>Andrew Ford — Indeed</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.verdict.co.uk/liar-liar-kremlins-on-fire-google-flatly-contradicts-russian-outage-story/" target="_blank">Google debunks Russian claims that fire was connected to service outage</a></div>
<div class="sreweekly-description">
<p>In the Outages section of last week&#8217;s issue, you&#8217;ll find two unrelated events referenced in this article: one about Russian internet censorship gone awry and another about a major datacenter fire.</p>
<p><small>Eric Johansson — Verdict</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.blameless.com/blog/how-to-analyze-contributing-factors-blamelessly" target="_blank">How to Analyze Contributing Factors Blamelessly</a></div>
<div class="sreweekly-description">
<p>Along with what&#8217;s in the title, this article also covers the difference between an RCA and a contributing factors analysis.</p>
<p><small>Emily Arnott — Blameless</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.linkedin.com/blog/2021/rethinking-site-capacity-projections-with-capacity-analyzer" target="_blank">Rethinking site capacity projections with Capacity Analyzer</a></div>
<div class="sreweekly-description">
<p>Lots of detail on how LinkedIn is improving their traffic forecasts. Warning/enticement: math contained within.</p>
<p><small>Deepanshu Mehndiratta — LinkedIn</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://launchdarkly.com/blog/testing-in-production-for-safety-and-sanity/" target="_blank">Testing in Production for Safety and Sanity</a></div>
<div class="sreweekly-description">
<blockquote><p>Everyone is testing in production, some organizations admit and plan for it.</p></blockquote>
<p>How to do it right, what can happen if it goes wrong, and how to limit the blast radius.</p>
<p><small>Heidi Waterhouse — LaunchDarkly</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://github.blog/2021-03-18-how-we-found-and-fixed-a-rare-race-condition-in-our-session-handling/" target="_blank">How we found and fixed a rare race condition in our session handling</a></div>
<div class="sreweekly-description">
<p>Remember when GitHub logged you out? Ah, I remember it like it was last week. I mean, the week before. Here&#8217;s GitHub&#8217;s troubleshooting story about what went wrong.</p>
<p><small>Dirkjan Bussink — GitHub</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://status.cloud.google.com/incident/cloud-networking/21006#21006001">Google Cloud Platform</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">GCP had a major multi-region networking issue, due to a routing glitch. Click through for their followup post.</li>
</ul>
</li>
<li><a href="https://www.latimes.com/environment/story/2021-03-16/noaa-tsunami-sensors-went-down-ahead-of-10th-anniversary-of-japans-tohoku-disaster">US National Oceanic and Atmospheric Administration (NOAA)</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">This outage impaired NOAA&#8217;s tsunami early warning system.</li>
</ul>
</li>
<li><a href="https://thestarphoenix.com/pmn/business-pmn/facebook-services-suffer-global-outage-with-instagram-down-for-nearly-a-million">Facebook, Instagram, and WhatsApp</a></li>
<li><a href="https://www.express.co.uk/life-style/science-technology/1411375/TikTok-DOWN-is-TikTok-not-working-right-now-is-TikTok-FYP-broken">TikTok</a></li>
<li><a href="https://reddit.statuspage.io/incidents/l9yh2xfs892m">Elevated error rates</a></li>
<li><a href="https://status.azure.com/en-us/status/history/">Microsoft Teams and other services</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Click through for a highly detailed description of what went wrong. I can&#8217;t link directly to the incident in question, so you&#8217;ll have to scroll down to 3/15.</li>
</ul>
</li>
</ul>
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