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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-263/">SRE Weekly Issue #263</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-263/">March 28, 2021</a>
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<a href="https://sreweekly.com/sre-weekly-issue-263/" title="Permalink to SRE Weekly Issue #263" 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>You can utilize Swagger Docs in security testing to drive more thorough and accurate vulnerability scans of your APIs. Learn how:<br />
<a href="http://sthwk.com/swagger-api-testing">http://sthwk.com/swagger-api-testing</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://increment.com/reliability/observability-distributed-tracing/" target="_blank">[Increment: Reliability] Tracing a path to observability</a></div>
<div class="sreweekly-description">
<p>They make a really clear case for why traditional metrics and monitoring couldn&#8217;t help them solve their problems.</p>
<p><small>Mads Hartmann</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://flyingbarron.medium.com/glynn-lunney-sre-leadership-9b34ed34eee8" target="_blank">Glynn Lunney — SRE Leadership</a></div>
<div class="sreweekly-description">
<p>This article commemorates the death of NASA flight director Glynn Lunney by showing the SRE lessons we can learn from him.</p>
<p><small>Robert Barron</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://enterprisersproject.com/article/2021/3/7-top-site-reliability-engineer-sre-job-interview-questions" target="_blank">7 top Site Reliability Engineer (SRE) job interview questions</a></div>
<div class="sreweekly-description">
<p>I like that this focuses on human factors.</p>
<p><small>Kevin Casey</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.blameless.com/blog/how-to-scale-for-reliability-and-trust" target="_blank">How to Scale for Reliability and Trust</a></div>
<div class="sreweekly-description">
<blockquote><p>Dealing with both the increased expectations and challenges of reliability as you scale is difficult. You’ll need to maintain your development velocity and build customer trust through transparency.</p></blockquote>
<p><small>Blameless</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://eng.uber.com/eng-failover-handling/" target="_blank">Engineering Failover Handling in Uber&#8217;s Mobile Networking Infrastructure</a></div>
<div class="sreweekly-description">
<p>Uber&#8217;s customers are especially likely to be moving around and going in and out of tunnels, losing connectivity along the way. That means it&#8217;s difficult to tell when the client should fail over to a different server.</p>
<p><small>Sivabalan Narayanan, Rajesh Mahindra, and Christopher Francis — Uber</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://gocardless.com/blog/incident-review-service-outage-on-25-october-2020/" target="_blank">Incident review: Service outage on 25 October 2020</a></div>
<div class="sreweekly-description">
<p>Here&#8217;s one I missed from last November. Some good stuff to learn from, especially if you run Vault on kubernetes.</p>
<blockquote><p>This outage was caused by a cascading failure stemming from our secrets management engine, which is a dependency of almost all of the production GoCardless services.</p></blockquote>
<p><small>Ben Wheatley — GoCardless</small></p>
</div>
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<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://www.google.com/appsstatus#hl=en&amp;v=issue&amp;sid=1&amp;iid=aa75515d184a2423be444d676b7ebf45">Gmail and a ton of other Android apps</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">This one&#8217;s kind of weird. Google presented it as a Gmail outage, but it&#8217;s actually a problem with the Android system webview component. Tons of apps were crashing.</li>
</ul>
</li>
<li><a href="https://piunikaweb.com/2021/03/21/mangadex-announces-temporary-shut-down/">MangaDex</a></li>
<li><a href="https://www.newsweek.com/canvas-down-not-working-learning-platform-school-college-1578719">Canvas</a></li>
<li><a href="https://www.dailymail.co.uk/sciencetech/article-9407921/Instagram-Worldwide-outage-hits-app-just-one-week-platform-crashed.html">Instagram</a></li>
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