407 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-264/">SRE Weekly Issue #264</a></h1>
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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-264/">April 4, 2021</a>
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<a href="https://sreweekly.com/sre-weekly-issue-264/" title="Permalink to SRE Weekly Issue #264" 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, StackHawk:</h2>
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<p>StackHawk and FOSSA are getting together Thursday, April 8, to show you how to automate AppSec testing with GitHub actions. Register to learn how to test your open source and proprietary code for vulns in CI/CD.<br />
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<a href="https://hubs.ly/H0Ks1dy0">https://hubs.ly/H0Ks1dy0</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://ably.com/blog/limits-aws-network-load-balancers" target="_blank">Balancing act: the current limits of AWS network load balancers</a></div>
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<div class="sreweekly-description">
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<p>This well-researched article caught me by surprise. It’s shocking that Ably received advice from AWS to stay under 400,000 simultaneous connections, despite Amazon’s own <a href="https://docs.aws.amazon.com/elasticloadbalancing/latest/network/introduction.html">documentation</a> stating support for “millions of connections per second”.</p>
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<p><small>Paddy Byers — Ably</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://www.algolia.com/blog/a-journey-into-sre/" target="_blank">A Journey Into SRE</a></div>
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<div class="sreweekly-description">
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<blockquote><p>This blog is about how a group of hard-working individuals, with unique skills and working methods, managed to create a successful SRE team.</p></blockquote>
|
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<p>There’s a lot of detail about what their SREs do and how they communicate, with 3 projects as case studies.</p>
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<p><small>Sergio Galvan — Algolia</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://deno.com/blog/02-03-2021-outage-post-mortem" target="_blank">March 2 incident update</a></div>
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<div class="sreweekly-description">
|
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<p>This is an incident followup from an incident at <a href="https://deno.com">Deno</a> earlier this year. Their CDN saw their heavy use of <code>.ts</code> files (TypeScript, a JavaScript variant) and mistakenly assumed they were <a href="https://en.wikipedia.org/wiki/MPEG_transport_stream">MPEG transport segments</a>, a violation of the CDN’s ToS. Oops.</p>
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<p><small>Luca Casonato — Deno</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://containerjournal.com/topics/container-ecosystems/kubernetes-supports-nine-pillars-of-sre/" target="_blank">Kubernetes Supports Nine Pillars of SRE</a></div>
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<div class="sreweekly-description">
|
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<p>Wait, there are 9 now?</p>
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<p><small>Marc Hornbeek — Container Journal</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://www.pharmtech.com/view/frequently-asked-questions-on-deviations" target="_blank">Frequently Asked Questions on Deviations</a></div>
|
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<div class="sreweekly-description">
|
|
<p>There’s a nice little discussion of why “human error” is not a good enough answer for why a deviation (from standard operating procedure) happened.</p>
|
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<p><small>Susan J. Schniepp and Steven J. Lynn — Pharmaceutical Technolog</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://tech.trivago.com/2020/12/04/how-to-get-fooled-by-metrics/" target="_blank">How To Get Fooled By Metrics</a></div>
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<div class="sreweekly-description">
|
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<p>They deployed an optimization that skipped sending some requests to the backend… and the backend metrics got worse. Why? Hint: aggregate metrics.</p>
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<p><small>Dominik Sandjaja — Trivago</small></p>
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</div>
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</div>
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<h2>Outages</h2>
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<li><a href="https://financialpost.com/pmn/business-pmn/twitter-says-service-fixed-after-disruption-affects-thousands">Twitter</a></li>
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<li><a href="https://www.washingtonpost.com/weather/2021/03/30/nws-internet-infrastructure-outages/">National Weather Service (US)</a></li>
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<li><a href="https://reddit.statuspage.io/incidents/jskgtxd0bjqy">reddit</a></li>
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<li><a href="https://status.squarespace.com/incidents/69fcntchbl7s">Squarespace.com</a>
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<ul class="sreweekly-outage">
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<li class="sreweekly-outage">Squarespace.com itself, but not user sites.</li>
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<li><a href="https://twitter.com/MSFT365Status/status/1377771854237069316?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1377788226941845504%7Ctwgr%5E%7Ctwcon%5Es2_&ref_url=https%3A%2F%2Fwww.nxsttv.com%2Fnmw%2Fnews%2Fmicrosoft-users-report-problems-with-multiple-services%2F">Microsoft 365</a></li>
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