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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-188/">SRE Weekly Issue #188</a></h1>
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<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-188/">October 6, 2019</a>
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<h2 style="text-align: center; font-size: 80%; color: #909090;">A message from our sponsor, VictorOps:</h2>
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<p>[Free Webinar] Last chance to register for this week’s live webinar – How to Succeed in Machine Learning Without Really Trying. See how IT and engineering leaders are implementing ML to build more robust systems and improve on-call incident response</p>
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<p><a href="http://try.victorops.com/sreweekly/machine-learning-webinar">http://try.victorops.com/sreweekly/machine-learning-webinar</a></p>
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<h2>Articles</h2>
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<div class="sreweekly-title"><a href="https://medium.com/@copyconstruct/testing-in-production-the-hard-parts-3f06cefaf592" target="_blank">Testing in Production: the hard parts</a></div>
|
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<div class="sreweekly-description">
|
||
<blockquote><p>Two of the hardest problems of testing in production are curtailing blast radius and dealing with state. In this post, I aim to explore the topic of curtailing blast radius in more detail.</p></blockquote>
|
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<p><small>Cindy Sridharan</small></p>
|
||
</div>
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</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://eng.lyft.com/operating-apache-kafka-clusters-24-7-without-a-global-ops-team-417813a5ce70" target="_blank">Operating Apache Kafka Clusters 24/7 Without A Global Ops Team</a></div>
|
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<div class="sreweekly-description">
|
||
<p>This team was getting paged constantly to fix failed Kafka nodes, and their outlook for the future was looking even worse. They responded by developing an auto-remediation system.</p>
|
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<p><small>Andrey Falko — Lyft</small></p>
|
||
</div>
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||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://www.wired.com/story/feds-boeing-737s-better-designed-humans/" target="_blank">Feds Say Boeing 737s Need to Be Better Designed for Humans</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>As last week’s Boeing-related article explained, Boeing and Airbus have significantly different philosophies regarding the role of pilots vs aircraft in aviation safety. This new NTSB report strikes at the heart of that dichotomy.</p>
|
||
<p><small>Alex Davies – Wired</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://cloud.google.com/blog/products/management-tools/transitioning-a-typical-engineering-ops-team-into-an-sre-powerhouse/" target="_blank">Transitioning a typical engineering ops team into an SRE powerhouse</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>This is an especially interesting read because the team in question was a network operations team, and the members largely had no software engineering experience. Part of the transformation involved essentially training them for a new career.</p>
|
||
<p><small>Tom Wright — Google</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://bravenewgeek.com/microservice-observability-part-1-disambiguating-observability-and-monitoring/" target="_blank">Microservice Observability, Part 1: Disambiguating Observability and Monitoring</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>My favorite part is the explanation of why observability is critical in microservice architectures.</p>
|
||
<blockquote><p>The system is no longer in one of two states but more like one of n-factorial states.</p></blockquote>
|
||
<p><small>Tyler Treat</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://theburningmonk.com/2019/10/all-you-need-to-know-about-caching-for-serverless-applications" target="_blank">All you need to know about caching for serverless applications</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Given that Lambda et al. auto-scale, is caching still relevant? Find out why by reading this article.</p>
|
||
<p><small>Yan Cui</small></p>
|
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</div>
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<h2>Outages</h2>
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<ul class="sreweekly-outages">
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<li><a href="https://www.githubstatus.com/incidents/yck8ctxhxtwq">GitHub</a>
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<ul class="sreweekly-outage">
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<li class="sreweekly-outage">Repository forking operations were delayed.</li>
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<li><a href="https://metastatuspage.com/incidents/27s4hx8p5k98">Statuspage.io</a></li>
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<li><a href="https://status.slack.com/2019-10/37fe60a37f880f84">Slack</a>
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<ul class="sreweekly-outage">
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<blockquote><p>Some customers are seeing an error code (“1AE32E16D91F”) when connecting to Slack.</p></blockquote>
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<p>Now I really want to know what <code>1AE32E16D91F</code> is…</li>
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||
</ul>
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|
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<li><a href="https://deadline.com/2019/10/twitter-tweetdeck-recovers-from-overnight-outage-in-several-countries-1202750160/">Twitter</a></li>
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