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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-175/">SRE Weekly Issue #175</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-175/">June 30, 2019</a>
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<a href="https://sreweekly.com/sre-weekly-issue-175/" title="Permalink to SRE Weekly Issue #175" 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>Looking to go serverless? Beau Christensen, VictorOps Director of Platform Engineering, and Tom McLaughlin, Founder of ServerlessOps, sat down to talk about when VictorOps decided to venture into AWS:</p>
<p><a href="http://try.victorops.com/SREWeekly/going-serverless">http://try.victorops.com/SREWeekly/going-serverless</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.adaptivecapacitylabs.com/blog/2019/06/17/some-observations-on-the-messy-realities-of-incident-reviews/" target="_blank">Some Observations On the Messy Realities of Incident Reviews</a></div>
<div class="sreweekly-description">
<p>This and other enlightened reflections on incident reviews can be found in this article:</p>
<blockquote><p>Many organizations have driven post-incident reviews to become pallid, vapid, mechanical exercises whose value is limited to producing a defensible argument that management  is occurring.</p></blockquote>
<p><small>Richard Cook — Adaptive Capacity Labs</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://stripe.com/blog/secret-life-of-dns" target="_blank">The secret life of DNS packets: investigating complex networks</a></div>
<div class="sreweekly-description">
<blockquote><p>In this post, I’ll describe how we monitor our DNS systems and how we used an array of tools to investigate and fix an unexpected spike in DNS errors that we encountered recently.</p></blockquote>
<p><small>Jeff Jo — Stripe</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://discoposse.com/2019/06/19/multi-cloud-you-keep-using-that-word/" target="_blank">Multi-Cloud: You keep using that word…</a></div>
<div class="sreweekly-description">
<p>&#8220;Multi-cloud&#8221; never really lived up to its hype, did it? This article argues that a multi-cloud strategy is only useful in specific, constrained situations.</p>
<p><small>Disco Posse</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://links.lastweekinaws.com/mpss/c/JQE/rDx0AA/t.2sq/mukNMXPXSnupOKK_7X9hqg/h10/u3g-2Bt1LsPzCnacHHvD6jGHWIstAbMzQxMBM8oqScuPV-2FDyI7MIc0Uyy1vlPH4JHt313-2BEU-2FzhNXUE2J2xnazRBCE43y-2BXRYAiDNtDyn-2BMC-2B38KXV4CylXKXW9-2BnB8008ehLrNHCkZPDewDKI5CztfCceHnTfJJsHgrF9Fro-2B1624-2Fu6mMzKnpqyXDrlfruJ7" target="_blank">How we migrated our database to Amazon Aurora with zero downtime</a></div>
<div class="sreweekly-description">
<p>I love how they used idempotency to avoid downtime and missed or repeated transactions during the cutover.</p>
<p><small>Miguel Carranza — RevenueCat</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.marketwatch.com/story/ebay-to-hold-crash-sale-on-july-15-in-case-amazons-site-goes-down-2019-06-26" target="_blank">Ebay to hold &#8216;Crash Sale&#8217; on July 15 in case Amazon&#8217;s site goes down</a></div>
<div class="sreweekly-description">
<p>This is either really clever or just unsporting.</p>
<p><small>Tonya Garcia — MarketWatch</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://cloud.google.com/blog/products/devops-sre/how-sre-teams-are-organized-and-how-to-get-started/" target="_blank">How SRE teams are organized, and how to get started | Google Cloud Blog</a></div>
<div class="sreweekly-description">
<p>This article discusses six kinds of SRE team (&#8220;kitchen sink&#8221;, infrastructure, tools, product/application, embedded, and consulting) and the pros and cons of each.</p>
<p><small>Gustavo Franco and Matt Brown — Google</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://www.safetydifferently.com/when-does-a-reduction-in-injury-numbers-become-statistically-significant/" target="_blank">When does a reduction in injury numbers become statistically significant?</a></div>
<div class="sreweekly-description">
<p>If you see half the incidents this quarter compared to last, does it actually mean anything, statistically speaking? The math in this article applies equally well to SRE, and casts a shadow on the idea of tracking &#8220;metrics&#8221; like MTTR.</p>
<p><small>Marloes Nitert — Safety Differently</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://jvns.ca/blog/2019/06/23/a-few-debugging-resources/" target="_blank">What does debugging a program look like?</a></div>
<div class="sreweekly-description">
<p>This field guide to debugging is the synthesis of a bunch of contributions by folks on Twitter, forged into an article by the inimitable Julia Evans. Maybe a zine is in the works?</p>
<p><small>Julia Evans</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://blog.cloudflare.com/how-verizon-and-a-bgp-optimizer-knocked-large-parts-of-the-internet-offline-today/">How Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline Today</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">The big outage this week happened when a small ISP accidentally told the Internet that it was the best place to send all their packets.<small> Tom Strickx — Cloudflare</small></li>
</ul>
</li>
<li><a href="https://metastatuspage.com/incidents/fnhs9y39zh5s">Statuspage.io</a></li>
<li><a href="https://status.slack.com/2019-06/9f63d8e30ee85f46">Slack</a></li>
<li><a href="https://consumer.press/hulu-crashes-during-democratic-debate/">Hulu</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Hulu suffered an outage during their live stream of an important US political debate.</li>
</ul>
</li>
</ul>
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