427 lines
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<header class="entry-header cf">
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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-114/">SRE Weekly Issue #114</a></h1>
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</header>
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<div class="entry-byline cf">
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<div class="entry-date" itemprop="datePublished" >
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<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-114/">March 18, 2018</a>
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</div>
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</div>
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<div class="entry-content cf" itemprop="text" >
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<a href="https://sreweekly.com/sre-weekly-issue-114/" title="Permalink to SRE Weekly Issue #114" class="email_only">View on sreweekly.com</a>
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<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;">
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<h2 style="text-align: center; font-size: 55%; color: #b0b0b0;">SPONSOR MESSAGE</h2>
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<p>Why is design so important to data-driven teams, and what does it mean for observability? See what several experts have to say. <a href="http://try.victorops.com/SREWeekly/Observability">http://try.victorops.com/SREWeekly/Observability</a></p>
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</div>
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<h2>Articles</h2>
|
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<div class="sreweekly-entry">
|
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<div class="sreweekly-title"><a href="https://www.fiercetelecom.com/telecom/fcc-finally-specifies-cause-2016-level-3-network-outage" target="_blank">Level 3 technician’s misstep causes largest outage ever reported</a></div>
|
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<div class="sreweekly-description">
|
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<p>The FCC has released a report on the major Level 3 outage in October of 2016. This summary article serves as a good TL;DR summary on what went wrong and includes a link to the full report.</p>
|
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<p><small>Brian Santo — Fierce Telecom</small></p>
|
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</div>
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</div>
|
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<div class="sreweekly-entry">
|
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<div class="sreweekly-title"><a href="https://webuild.envato.com/blog/migrating-edge-providers/" target="_blank">Migrating edge network providers</a></div>
|
|
<div class="sreweekly-description">
|
|
<p>They had an awesome approach: use RSpec to create a test suite of HTTP requests and run it continuously during the deployment to ensure that nothing changed from the end-user’s perspective. Bonus points for generating tests automatically.</p>
|
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<p><small> Jacob Bednarz — Envato</small></p>
|
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</div>
|
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</div>
|
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<div class="sreweekly-entry">
|
|
<div class="sreweekly-title"><a href="https://medium.com/netflix-techblog/project-nimble-region-evacuation-reimagined-d0d0568254d4" target="_blank">Project Nimble: Region Evacuation Reimagined</a></div>
|
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<div class="sreweekly-description">
|
|
<p>Netflix reduced the time it takes to evacuate a failed AWS region from 50 minutes to just 8.</p>
|
|
<p><small>Luke Kosewski, Amjith Ramanujam, Niosha Behnam, Aaron Blohowiak, and Katharina Probst — Netflix</small></p>
|
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</div>
|
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</div>
|
|
<div class="sreweekly-entry">
|
|
<div class="sreweekly-title"><a href="http://blog.launchdarkly.com/tonight-we-monitor-for-tomorrow-we-test-in-production/" target="_blank">Tonight We Monitor, For Tomorrow, We Test in Production!</a></div>
|
|
<div class="sreweekly-description">
|
|
<p>I don’t usually link to talks, but this talk transcript reads almost like an article, and it’s a good one. The premise: if you’re not monitoring well, then you can’t safely test in production. Scalyr found a few ways in which their monitoring showed cracks, and now they’re sharing it with us.</p>
|
|
<p><small>Steven Czerwinski — Scalyr</small></p>
|
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</div>
|
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</div>
|
|
<div class="sreweekly-entry">
|
|
<div class="sreweekly-title"><a href="http://www.businesscomputingworld.co.uk/oopsy-ddosy-accidental-ddos-attacks-causing-major-grief/" target="_blank">Oopsy DDoSy: Accidental DDoS Attacks Causing Major Grief</a></div>
|
|
<div class="sreweekly-description">
|
|
<p>Design carefully, especially around retries, lest you create a thundering herd that makes it much harder to recover from an outage. That lesson and more, in this article on shooting yourself in the foot at web scale.</p>
|
|
<p><small>Benjamin Campbell — Business Computing World</small></p>
|
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</div>
|
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</div>
|
|
<div class="sreweekly-entry">
|
|
<div class="sreweekly-title"><a href="https://about.gitlab.com/2018/03/14/the-on-call-handover-at-gitlab/" target="_blank">How our production team runs the weekly on-call handover</a></div>
|
|
<div class="sreweekly-description">
|
|
<p>Have I mentioned how much I love GitLab’s openness? Here’s how they handle on-call shift transitions in their remote-only organization.</p>
|
|
<p><small>John Jarvis — GitLab</small></p>
|
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</div>
|
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</div>
|
|
<div class="sreweekly-entry">
|
|
<div class="sreweekly-title"><a href="https://twitter.com/mipsytipsy/status/973806469136121856" target="_blank">Twitter: Charity Majors on distributed systems, complexity, and microservices</a></div>
|
|
<div class="sreweekly-description">
|
|
<p>What is the definition of a distributed system, and why are they difficult? I really love the definition in the second tweet.</p>
|
|
<p><small>Charity Majors</small></p>
|
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</div>
|
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</div>
|
|
<div class="sreweekly-entry">
|
|
<div class="sreweekly-title"><a href="https://rachelbythebay.com/w/2018/03/16/slowroad/" target="_blank">Troubleshooting IPv6 badness to certain hosts in a rack</a></div>
|
|
<div class="sreweekly-description">
|
|
<p>I sure love a good troubleshooting story. This one has a pretty excellent failure mode, A+ investigative technique, and an emphasis on following something through until you find an answer.</p>
|
|
<p><small>Rachel Kroll</small></p>
|
|
</div>
|
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</div>
|
|
<div class="sreweekly-entry">
|
|
<div class="sreweekly-title"><a href="https://engineering.linkedin.com/blog/2018/03/the-makeup-of-successful-geographically-distributed-sre-teams--p" target="_blank">The Makeup of Successful Geographically-Distributed SRE Teams: Part 1 | LinkedIn Engineering</a></div>
|
|
<div class="sreweekly-description">
|
|
<p>This discussion of how and why to create a globally-distributed SRE team may only apply to bigger companies, but it’s got a lot of useful bits in it. I just have to stop laughing at the acronym “GD”…</p>
|
|
<p><small>Akhil Ahuja — LinkedIn</small></p>
|
|
</div>
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</div>
|
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<h2>Outages</h2>
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|
<ul class="sreweekly-outages">
|
|
<li><a href="http://blog.catchpoint.com/2018/03/14/doubleclick-outage-another-lesson-third-party-optimization/">DoubleClick (ad provider)</a>
|
|
<ul class="sreweekly-outage">
|
|
<li class="sreweekly-outage">DoubleClick went down, and it took a lot of sites with it. Click through for Catchpoint’s excellent analysis.
|
|
<p><small>Kameerath Kareem — Catchpoint</small></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="https://www.traviscistatus.com/incidents/z2b3lz2kwcfp">Travis CI</a></li>
|
|
<li><a href="https://www.cnet.com/news/smartthings-outage-hits-north-american-users/">SmartThings (IoT platform)</a></li>
|
|
<li><a href="https://www.wingsjournal.com/air-canada-suffers-major-outage-worst-time">Air Canada</a></li>
|
|
<li><a href="https://www.thesun.co.uk/news/5813045/netflix-down-uk-what-nw-2-5-error-streaming-service-working-again/">Netflix</a></li>
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