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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-195/">SRE Weekly Issue #195</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-195/">November 24, 2019</a>
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<a href="https://sreweekly.com/sre-weekly-issue-195/" title="Permalink to SRE Weekly Issue #195" 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: 80%; color: #909090;">A message from our sponsor, VictorOps:</h2>
<p>Understanding the incident lifecycle can guide DevOps and IT engineers into a future where on-call sucks less. See how you can breakdown the stages of the incident lifecycle and use automation, transparency and collaboration to improve each stage:</p>
<p><a href="https://go.victorops.com/sreweekly-incident-lifecycle-guide">https://go.victorops.com/sreweekly-incident-lifecycle-guide</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.linkedin.com/pulse/observablility-tabs-vs-spaces-ops-joshua-biggley" target="_blank">Observablility: Tabs vs. Spaces for Ops</a></div>
<div class="sreweekly-description">
<p>An entertaining take on defining Observability.</p>
<p><small>Joshua Biggley</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.transposit.com/blog/2019.11.14-what-makes-a-good-runbook/" target="_blank">What makes a good runbook?</a></div>
<div class="sreweekly-description">
<p>There are some really great tips in here, wrapped up in a handy mnemonic, the Five As:</p>
<ul>
<li>actionable</li>
<li>accessible</li>
<li>accurate</li>
<li>authoritative</li>
<li>adaptable</li>
</ul>
<p><small>Dan Moore — Transposit</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.fastly.com/blog/traffic-delivery-reliability-improvements" target="_blank">Fastly improves delivery reliability with its fast path failover technology</a></div>
<div class="sreweekly-description">
<p>&#8220;The Internet routes around damage&#8221;, right? Not always, and if it does, it&#8217;s often too slow. Fastly has a pretty interesting solution to that problem.</p>
<p><small> Lorenzo Saino and Raul Landa — Fastly</small></p>
<p><small><em>Full disclosure: Fastly is my employer.</em></small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://github.blog/2019-11-21-debugging-network-stalls-on-kubernetes/" target="_blank">Debugging network stalls on Kubernetes</a></div>
<div class="sreweekly-description">
<p>The stalls were caused by a gnarly kernel performance issue. They had to use <code>bcc</code> and <code>perf</code> to dig into the kernel in order to figure out what was wrong.</p>
<p><small>Theo Julienne — GitHub</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.blameless.com/9-reliability-talks-aws-reinvent-2019/" target="_blank">9 Reliability Talks at AWS re:Invent that Everyone Should Attend</a></div>
<div class="sreweekly-description">
<p>Heading to Las Vegas for re:Invent? Here&#8217;s a handy guide of talks you might want to check out.</p>
<p><small>Rui Su — Blameless</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.adaptivecapacitylabs.com/blog/2019/11/20/markers-of-progress-incident-analysis/" target="_blank">Markers of Progress in Incident Analysis</a></div>
<div class="sreweekly-description">
<p>How can you tell when folks are learning effectively from incident reviews? Hint: not by measuring MTTR and the like.</p>
<p><small>John Allspaw — Adaptive Capacity Labs</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://www.honeycomb.io/blog/incident-report-running-dry-on-memory-without-noticing/">Honeycomb Incident Report: Running Dry on Memory Without Noticing</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">A <a href="http://sreweekly.com/sre-weekly-issue-193/">couple weeks ago</a>, I covered a Honeycomb outage and linked to a tweet thread by one of their employees. Here&#8217;s their full analysis of the incident, including a mention of the Twitter thread.
<p><small>Liz Fong-Jones — Honeycomb</small></li>
</ul>
</li>
<li><a href="https://community.letsencrypt.org/t/2019-11-17-autoincrement-maxed-out/106563">LetsEncrypt</a></li>
<li><a href="https://status.azure.com/en-us/status/history/">Microsoft Azure</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Microsft posted this followup analysis of an issue with Azure&#8217;s edge network.</li>
</ul>
</li>
<li><a href="https://screenrant.com/netflix-down-worldwide-united-states/">Netflix</a></li>
<li><a href="https://metro.co.uk/2019/11/21/thousands-stranded-british-airways-suffers-yet-another-outage-11193416/">British Airways</a></li>
<li><a href="https://www.bleepingcomputer.com/news/microsoft/microsoft-365-experiencing-onedrive-and-sharepoint-outages/">Microsoft 365, OneDrive, and SharePoint</a></li>
<li><a href="https://dailystockdish.com/yahoo-mail-down-major-outage-leaves-users-across-the-world-unable-to-sign-in/">Yahoo Mail</a></li>
<li><a href="https://status.heroku.com/incidents/1927">Heroku Incident #1927 Followup</a></li>
<li><a href="https://status.squarespace.com/incidents/h954xcsp7q9x">Squarespace</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Also <a href="https://status.squarespace.com/incidents/5jlqd3ncw5k2">this one</a> and <a href="https://status.squarespace.com/incidents/1tmv7p6llj2j">this one</a>.</li>
</ul>
</li>
<li><a href="https://www.githubstatus.com/incidents/2fvfs7gwr96z">GitHub</a></li>
<li><a href="https://reddit.statuspage.io/incidents/mlfvbmp2y54p">reddit</a></li>
</ul>
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