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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-139/">SRE Weekly Issue #139</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-139/">September 16, 2018</a>
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<a href="https://sreweekly.com/sre-weekly-issue-139/" title="Permalink to SRE Weekly Issue #139" 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: 55%; color: #b0b0b0;">SPONSOR MESSAGE</h2>
<p>SRE teams need to prepare for incidents. Maintain high levels of uptime, prepare for downtime, and create more reliable services by optimizing incident detection, response, and remediation workflows:</p>
<p><a href="http://try.victorops.com/sreweekly/preparing-for-downtime">http://try.victorops.com/sreweekly/preparing-for-downtime</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.autotrader.co.uk/2018/09/04/letsencrypt-at-scale.html" target="_blank">Let&#8217;s Encrypt at Scale</a></div>
<div class="sreweekly-description">
<p>Find out how AutoTrader deployed TLS to 3000 vendor websites, and what they did when things went wrong despite their careful deployment strategy.</p>
<p><small>Lee Goodman — AutoTrader</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://medium.com/@sricola/crisis-management-4c1b570d8c0e" target="_blank">Incident Response – Speedbird 38</a></div>
<div class="sreweekly-description">
<p>An excellent short piece about incident response, using the radio recordings from an aircraft accident as a case study.</p>
<p><small>Sri Ray</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://tech.buzzfeed.com/checklists-an-operational-gift-aaf42cf0be12" target="_blank">checklists: an operational gift</a></div>
<div class="sreweekly-description">
<blockquote><p>No production operation is too big or too small for a checklist. Similarly, no situation is too strenuous for one.</p></blockquote>
<p><small>Sri Ray</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.hostedgraphite.com/2018/09/13/how-to-write-a-status-page-update/" target="_blank">How to write a status page update</a></div>
<div class="sreweekly-description">
<blockquote><p>[&#8230;] in this new series, we’re sharing some of our internal SRE processes. This first post looks at the guidelines our SRE team follow to communicate with customers during an incident, with some practical tips, examples, and the thinking behind it all.</p></blockquote>
<p><small>Fran Garcia — Hosted Graphite</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://bravenewgeek.com/multi-cloud-is-a-trap/" target="_blank">Multi-Cloud Is a Trap</a></div>
<div class="sreweekly-description">
<p>Here&#8217;s why adopting a multi-cloud strategy may not do what you want, while also making your life much harder.</p>
<p><small>Tyler Treat</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://code.fb.com/developer-tools/finding-and-fixing-software-bugs-automatically-with-sapfix-and-sapienz/" target="_blank">Finding and fixing software bugs automatically with SapFix and Sapienz</a></div>
<div class="sreweekly-description">
<p>Last fall, I linked to a couple of talks on research in automated bugfixing. Facebook has now deployed such a system to production.</p>
<p><small>Yue Jia, Ke Mao, Mark Harman — Facebook</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blogs.msdn.microsoft.com/vsoservice/?p=17485" target="_blank">Postmortem: VSTS 4 September 2018</a></div>
<div class="sreweekly-description">
<p>Microsoft&#8217;s Visual Studio Team System (VSTS) was one of the services impacted by the major Azure outage earlier this month. Here&#8217;s an in-depth analysis of what went wrong and what they might (or might not) be able to do to prevent a similar incident.</p>
<p><small>Buck Hodges — Microsoft</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://status.github.com/messages">GitHub</a></li>
<li><a href="https://www.traviscistatus.com/incidents/d16clc6zpd85">Travis CI</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Also <a href="https://www.traviscistatus.com/incidents/xxnvnxs6vx5s">this one</a>.</li>
</ul>
</li>
<li><a href="https://www.shacknews.com/article/107251/twitch-is-investigating-site-wide-outage-that-has-shut-down-livestreams">Twitch</a></li>
<li><a href="https://www.xero.com/blog/2018/09/sorry-really-sorry/">Xero</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Xero experienced an outage this week and posted this article explaining what went wrong.
<p><small>Tony Stewart — Xero</small></li>
</ul>
</li>
</ul>
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