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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-176/">SRE Weekly Issue #176</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-176/">July 7, 2019</a>
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<a href="https://sreweekly.com/sre-weekly-issue-176/" title="Permalink to SRE Weekly Issue #176" 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>[Free Guide] VictorOps partnered with Catchpoint and came up with six actionable ways to transform your monitoring and incident response practices. See how SRE teams are being more proactive toward service reliability.</p>
<p><a href="http://try.victorops.com/sreweekly/transform-monitoring-and-incident-response">http://try.victorops.com/sreweekly/transform-monitoring-and-incident-response</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://medium.com/@copyconstruct/distributed-tracing-weve-been-doing-it-wrong-39fc92a857df" target="_blank">Distributed Tracing — we’ve been doing it wrong</a></div>
<div class="sreweekly-description">
<blockquote><p>[&#8230;] spans are too low-level to meaningfully be able to unearth the most valuable insights from trace data.</p></blockquote>
<p>Find out why current distributed tracing tools fall short and the author&#8217;s vision of the future of distributed tracing.</p>
<p><small>Cindy Sridharan</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.blameless.com/why-companies-can-benefit-from-blameless-culture/" target="_blank">Why Every Company Can Benefit from a Blameless Culture</a></div>
<div class="sreweekly-description">
<p>If I wanted to introduce the concept of blameless culture to execs, this article would be a great starting point.</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/2018/10/08/the-multiple-audiences-and-purposes-of-post-incident-reviews/" target="_blank">The Multiple Audiences and Purposes of Post-Incident Reviews</a></div>
<div class="sreweekly-description">
<blockquote><p>When we look closely at post-incident artifacts, we find that they can serve a number of different purposes for different audiences.</p></blockquote>
<p><small>John Allspaw — Adaptive Capacity Labs</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.theregister.co.uk/2019/07/02/ipv6_routing_error/" target="_blank">This major internet routing blunder took A WEEK to fix. Why so long? It was IPv6 – and no one really noticed</a></div>
<div class="sreweekly-description">
<blockquote><p>When you meant to type /127 but entered /12 instead</p></blockquote>
<p>Oops?</p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.acolyer.org/2019/07/05/automating-chaos-experiments-in-production/" target="_blank">Automating chaos experiments in production</a></div>
<div class="sreweekly-description">
<blockquote><p>The early failure injection testing mechanisms from Chaos Monkey and friends were like acts of random vandalism. Monocle is more of an intelligent probing, seeking out any weakness a service may have.</p></blockquote>
<p>There&#8217;s a great example of Monocle discovering a mismatched timeout between client and server and targeting it for a test.</p>
<p><small>Adrian Colyer (summary)</small></p>
<p><small>Basiri et al., ICSE 2019 (original paper)</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://mikehadlow.blogspot.com/2012/05/configuration-complexity-clock.html?m=1" target="_blank">The Configuration Complexity Clock</a></div>
<div class="sreweekly-description">
<p>Take the axiom of &#8220;don&#8217;t hardcode values&#8221; to an extreme, and you end up right back where you started.</p>
<p><small>Mike Hadlow</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://blog.cloudflare.com/cloudflare-outage/">Cloudflare</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Cloudflare suffered a massive outage, returning 502 responses for over 80% of traffic for over 20 minutes. Linked above is their analysis. A <a href="https://twitter.com/eastdakota/status/1146983051492093953">tweet thread</a> involving their CEO is also illuminating.</li>
</ul>
</li>
<li><a href="https://twitter.com/instagram/status/1146452318025445376">Instagram</a></li>
<li><a href="https://twitter.com/TwitterSupport/status/1146447958952439809">Twitter</a></li>
<li><a href="https://www.rt.com/news/463410-google-maps-down-people-lost/">Google Maps</a></li>
<li><a href="https://9to5mac.com/2019/07/04/icloud-services-down/">iCloud</a></li>
<li><a href="https://www.bleepingcomputer.com/news/security/tweetdeck-is-down-currently-experiencing-worldwide-outage/">Tweetdeck</a></li>
<li><a href="https://status.azure.com/en-us/status/history/">Azure</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Azure suffered an outage in San Jose, CA, USA on July 2.</li>
</ul>
</li>
</ul>
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