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<article id="post-746" class="single-view post-746 post type-post status-publish format-standard hentry category-general" itemprop="blogPost" itemscope itemtype="http://schema.org/BlogPosting">
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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-158/">SRE Weekly Issue #158</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-158/">February 3, 2019</a>
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<a href="https://sreweekly.com/sre-weekly-issue-158/" title="Permalink to SRE Weekly Issue #158" 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>The golden signals of SRE and monitoring helps identify a great starting point for teams looking to proactively build reliability into highly integrated applications and services.</p>
<p><a href="http://try.victorops.com/sreweekly/sre-golden-signals">http://try.victorops.com/sreweekly/sre-golden-signals</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=mf3xhjXl454&amp;feature=youtu.be" target="_blank">Accident Case Study: Traffic Pattern Tragedy</a></div>
<div class="sreweekly-description">
<p>This air traffic accident analysis is chilling to listen to, and also incredibly educational. As you listen through the conversation, it becomes more and more clear that the pilot is suffering from information overload. An Incident Commander would be wise to remember the lessons learned here.</p>
<p>After listening to the above recording, I got hooked and kept listening to more and more case studies. Here&#8217;s another enlightening one: <a href="https://youtu.be/NokGZ4d9mrk">Real Pilot Story: From Miscue to Rescue</a></p>
<p><small>US Air Safety Institute<br />
</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.pagerduty.com/blog/postmortem-guide-documentation/" target="_blank">Introducing the PagerDuty Postmortem Guide</a></div>
<div class="sreweekly-description">
<p>PagerDuty is quickly approaching Etsy&#8217;s level of awesome incident-related articles and guides.</p>
<p><small>Rachael Byrne — PagerDuty</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://codeascraft.com/2019/02/01/executing-a-sunset/" target="_blank"> Executing a Sunset</a></div>
<div class="sreweekly-description">
<p>Retiring features and products can often be harder to do safely than deploying them in the first place.</p>
<p><small> Rachana Kumar&#8211; Etsy</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://cloud.google.com/blog/products/management-tools/tune-up-your-sli-metrics-cre-life-lessons/" target="_blank">Tune up your SLI metrics: CRE life lessons</a></div>
<div class="sreweekly-description">
<p>Do your SLIs measure what really matters to your customers? This article discusses how to find out and what to do if they don&#8217;t.</p>
<p><small>Adrian Hilton and Yaniv Aknin — Google</small></p>
</div>
</div>
<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=d8c52d15f9cab60823bbd15d46a00708">Google G Suite</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">All services exerienced an outage, most notably Gmail.</li>
</ul>
</li>
<li><a href="https://nakedsecurity.sophos.com/2019/02/01/dns-outage-turns-tables-on-azure-database-users/">Microsoft Azure</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Parts of Azure were dependent on a third-party DNS provider, and an outage in that provider caused widespread issues in Azure. See Microsoft&#8217;s followup post in their <a href="https://azure.microsoft.com/en-us/status/history/">status history</a>.</li>
</ul>
</li>
<li><a href="https://www.tapscape.com/news/whatsapp-down-worldwide-outage-effects-millions-of-whatsapp-users/">WhatsApp</a></li>
<li><a href="https://reddit.statuspage.io/incidents/z1b1m6k5f138">Reddit</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">And a <a href="https://reddit.statuspage.io/incidents/mljtrr1sjh7v">second one</a> the same day.</li>
</ul>
</li>
<li><a href="https://news.softpedia.com/news/office-365-experiencing-issues-for-the-second-time-this-week-524751.shtml">Microsoft Office 365</a></li>
<li><a href="https://www.techzim.co.zw/2019/01/gmail-down-for-users-all-over-the-world/">Gmail</a></li>
<li><a href="https://www.business-standard.com/article/companies/fb-s-instagram-down-users-report-outage-using-instagramdown-on-twitter-119012900579_1.html">Instagram</a></li>
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