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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-249/">SRE Weekly Issue #249</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-249/">December 20, 2020</a>
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<a href="https://sreweekly.com/sre-weekly-issue-249/" title="Permalink to SRE Weekly Issue #249" class="email_only">View on sreweekly.com</a>
<p>I&#8217;m having a hard time wrapping my head around the fact that this issue marks 5 years of SRE Weekly.  A massive thank you to everyone who writes the content I feature here every week, and also to all of you that subscribe!</p>
<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, StackHawk:</h2>
<p>Did you catch the news? StackHawk now offers a free Developer Plan. Getting up and running with application security testing has never been easier. Give it a try.<br />
<a href="https://sthwk.com/freeplan">https://sthwk.com/freeplan</a></p>
</div>
<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.oreilly.com/content/generic-mitigations/" target="_blank">Generic mitigations</a></div>
<div class="sreweekly-description">
<p>Every service needs a couple of big hammers that are easy to swing.</p>
<p><small>Jennifer Mace — O&#8217;Reilly and Google</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.fb.com/2020/12/09/data-center-engineering/how-facebook-keeps-its-large-scale-infrastructure-hardware-up-and-running/" target="_blank">How Facebook keeps its large-scale infrastructure hardware up and running</a></div>
<div class="sreweekly-description">
<p>Answer: automation. Lots of automation. And automation of the automation.</p>
<p><small>Fred Lin, Harish Dattatraya Dixit, and Sriram Sankar — Facebook</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.transposit.com/blog/2019.12.23-tips-for-on-call-engineers-during-the-holidays/" target="_blank">Tips for On Call Engineers During the Holidays</a></div>
<div class="sreweekly-description">
<p>Oh, how quaint! This article was written back when people traveled for the holidays.</p>
<p><small>Ashley Roof — Transposit</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://decentralizedthoughts.github.io/2020-12-12-raft-liveness-full-omission/" target="_blank">Raft does not Guarantee Liveness in the face of Network Faults</a></div>
<div class="sreweekly-description">
<p>Surprise! Fortunately, there are some ways to fix this limitation.</p>
<p><small>Heidi Howard, Ittai Abraham — Decentralized Thoughts</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.kintaba.com/posts/anatomy-of-unsuccessful-incident-management" target="_blank">Anatomy of Unsuccessful Incident Management</a></div>
<div class="sreweekly-description">
<blockquote><p>A common question when a company is implementing incident management is: why do we need this process?</p>
<p>It turns out that the easiest way to answer this question is to look at the world of unsuccessful incident management.</p></blockquote>
<p><small>Kintaba</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.firehouse.com/leadership/article/21165963/just-culture-standardizing-accountability-in-the-fire-service" target="_blank">Just Culture: Standardizing Fire Service Accountability</a></div>
<div class="sreweekly-description">
<p>Whether you&#8217;re new to Just Culture or an old hand, there&#8217;s a lot of great detail in this article.</p>
<p><small>Tory Thompson — Firehouse</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.pagerduty.com/blog/lets-talk-full-service-ownership/" target="_blank">Let’s Talk: Full-Service Ownership</a></div>
<div class="sreweekly-description">
<p>Not sold yet on full service ownership for development teams? This interview may help.</p>
<p><small>Vivian Chan — PagerDuty</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.adaptivecapacitylabs.com/blog/2020/12/14/jeli-io-supporting-grounded-incident-analysis/" target="_blank">Jeli.io: Supporting Grounded Incident Analysis</a></div>
<div class="sreweekly-description">
<p>While ostensibly about Jeli.io, this article makes a great case for why incident analysis is important in general and what kind of data we should be trying to gather.</p>
<p><small>John Allspaw — Adaptive Capacity Labs</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://status.heroku.com/incidents/2130" target="_blank">Heroku incident #2130 follow-up: Heroku Connect Sync Issue</a></div>
<div class="sreweekly-description">
<p>A new feature roll-out resulted in impaired service for some customers.</p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://surfingcomplexity.blog/2020/12/16/ubers-adventures-in-the-adaptive-universe/" target="_blank">Uber’s adventures in the adaptive universe</a></div>
<div class="sreweekly-description">
<p>The adaptive universe: where adaptations to challenges feed back and cause more challenges, requiring more adaptations.</p>
<p><small>Lorin Hochstein</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://tech.okcupid.com/the-shadow-request/" target="_blank">The Shadow Request: Troubleshooting OkCupid’s First GraphQL Release</a></div>
<div class="sreweekly-description">
<blockquote><p>Our first GraphQL release was twice as slow as our old REST API. Here’s how we fixed it.</p></blockquote>
<p>Another great example of making a duplicate request to a new API in the background to test it before deploying it.</p>
<p><small>Michael P. Geraci — OkCupid</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://www.google.com/appsstatus#hl=en&amp;v=status">Google Workspace Status Dashboard</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">All Google services that use OAuth were unreachable due to an issue with Google&#8217;s User ID service. Click through for their report. This one caused issues for the start of my daughters&#8217; school day since Meet and Classroom were down.</li>
</ul>
</li>
<li><a href="https://status.cloud.google.com/incident/zall/20013">Google Cloud Status Dashboard</a></li>
<li><a href="http://www.google.com/appsstatus/ir/4et50yp2ckm8otv.pdf">Gmail</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Delivery of messages to @gmail.com addresses failed permanently and would not be retried. This report by Google has the details.</li>
</ul>
</li>
<li><a href="https://www.india.com/technology/instagram-down-in-parts-of-world-android-users-in-india-unable-to-access-accounts-express-dismay-4276714/">Instagram</a></li>
<li><a href="https://techcrunch.com/2020/12/14/microsofts-outlook-also-faces-intermittent-outage-amid-crash-across-multiple-google-services/">Microsoft Outlook</a></li>
<li><a href="https://www.geospatialworld.net/news/galileo-navigation-system-suffers-temporary-outage-services-nominally-restored/">Galileo (satellite navigation system)</a></li>
<li><a href="https://twitter.com/SpotifyStatus/status/1339139028868886528">Spotify</a></li>
</ul>
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