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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-146/">SRE Weekly Issue #146</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-146/">November 4, 2018</a>
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<a href="https://sreweekly.com/sre-weekly-issue-146/" title="Permalink to SRE Weekly Issue #146" 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>Automation can be used to help classify incident severity and route alerts to the right person or team. Learn how SRE teams are leveraging a refined incident classification and alert routing process to improve system reliability:</p>
|
||
<p><a href="http://try.victorops.com/sreweekly/classifying-incident-severity">http://try.victorops.com/sreweekly/classifying-incident-severity</a></p>
|
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</div>
|
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<h2>Articles</h2>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://labs.networkreliability.engineering/" target="_blank">NRE Labs</a></div>
|
||
<div class="sreweekly-description">
|
||
<blockquote><p>NRE Labs is a no-strings-attached, community-centered initiative to bring the skills of automation within reach for everyone. Through short, simple exercises, all right here in the browser, you can learn the tools, skills, and processes that will put you on the path to becoming a Network Reliability Engineer.</p></blockquote>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://blog.stackpath.com/applying-humanops-to-on-call?utm_campaign=Resilience%20Weekly&utm_medium=email&utm_source=Revue%20newsletter" target="_blank">Applying HumanOps To On-Call</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Tips on designing your on-call to be fair to the humans involved, including gems like an automatic day off after a middle-of-the-night page.</p>
|
||
<p><small>David Mytton — StackPath</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://blog.github.com/2018-10-30-oct21-post-incident-analysis/" target="_blank">October 21 post-incident analysis</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>GitHub’s major outage stemmed from a brief cut in connectivity between two of their data centers.</p>
|
||
<p>Errata: Last week I mentioned the possibility of a network cut and cited an article about GitHub’s database architecture. I should have credited <a href="https://mobile.twitter.com/dbaops">@dbaops</a>, who made the connection.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://www.bluematador.com/blog/ec2-packets-per-second-guaranteed-throughput-vs-best-effort" target="_blank">EC2 Packets per Second: Guaranteed Throughput vs Best Effort</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Rumors of undocumented packet rate limits in EC2 abound, and I’ve personally run afoul of them. Backed by direct experimentation, this article unmasks the limits.</p>
|
||
<p><small>Matthew Barlocker — Blue Matador</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://www.sparkpost.com/blog/undocumented-limit-dns-aws/" target="_blank">The Day Our DNS Hit an Undocumented Limit in AWS</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>This sounds an awful lot like those packet rate limits from the previous article…</p>
|
||
<p><small>Chris McFadden — SparkPost</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://www.safetydifferently.com/the-woolworths-experiment/" target="_blank">The Woolworths Experiment</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Ever hear of that traffic intersection where they took out all of the signs, and suddenly everyone drove <em>more</em> safely? Woolworth’s tried a similar experiment with their stores, with interesting results.</p>
|
||
<p><small>Sidney Dekker — Safety Differently</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://blog.hostedgraphite.com/2018/10/30/deadlines-lies-and-videotape-the-tale-of-a-grpc-bug/" target="_blank">Deadlines, lies and videotape: The tale of a gRPC bug</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Find out how they discovered the bug and what they did about it. Required reading if you use gRPC, since in some cases it falls to obey timeouts.</p>
|
||
<p><small>Ciaran Gaffney and Fran Garcia — Hosted Graphite</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://medium.com/chaosiq/chaos-engineering-case-study-homeaway-f3fa26b5ede5?source=rss----812e5d368303---4" target="_blank">Chaos Engineering Case Study : HomeAway</a></div>
|
||
<div class="sreweekly-description">
|
||
<blockquote><p>when we sit with a team to plan the experiment, that is when the light goes on… they start realising how many things they missed and they start cataloging what bad things could happen if something goes bad…</p></blockquote>
|
||
<p><small>Russ Miles — ChaosIQ</small></p>
|
||
</div>
|
||
</div>
|
||
<h2>Outages</h2>
|
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<ul class="sreweekly-outages">
|
||
<li><a href="https://www.google.com/appsstatus#hl=en">G Suite</a></li>
|
||
<li><a href="https://status.github.com/messages">GitHub</a></li>
|
||
<li><a href="https://www.express.co.uk/life-style/science-technology/1038915/PayPal-down-payment-service-not-working-users-unable-to-log-in">PayPal</a></li>
|
||
<li><a href="https://www.cloudpro.co.uk/it-infrastructure/7754/days-long-microsoft-outage-leaving-users-unable-to-login-to-office-365">Microsoft Office 365</a></li>
|
||
<li><a href="https://community.secondlife.com/blogs/entry/2438-unscheduled-ddos-on-10-28-2018/">Second Life</a></li>
|
||
<li><a href="https://www.arnnet.com.au/article/648978/telstra-cloud-services-suffer-outage/">Telstra cloud services (AU)</a></li>
|
||
<li><a href="https://www.express.co.uk/life-style/science-technology/1038264/Barclays-online-banking-down-service-not-working-customer-report-log-in-issues">Barclays online banking</a></li>
|
||
<li><a href="https://status.heroku.com/incidents/1653">Heroku</a>
|
||
<ul class="sreweekly-outage">
|
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<li class="sreweekly-outage">
|
||
<ul>
|
||
<li><a href="https://status.heroku.com/incidents/1653">Incident #1653</a></li>
|
||
<li><a href="https://status.heroku.com/incidents/1655">Incident #1655</a></li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
</li>
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