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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-495/">SRE Weekly Issue #495</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-495/">November 2, 2025</a>
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<p><a class="email_only" href="https://sreweekly.com/sre-weekly-issue-495/">View on sreweekly.com</a></p>
<p class="wp-block-paragraph">I&#8217;m back! Kidney donation was a fascinating and rewarding experience, and I encourage you to <a href="https://www.kidneyregistry.com/for-donors/am-i-qualified-to-donate-a-kidney/">learn more</a>. It&#8217;s amazing how it&#8217;s possible to fix one human with spare parts from another!</p>
<p class="wp-block-paragraph">I&#8217;ll share more about my experience later, but for now: <em>thank you</em> to the many of you that reached out with well-wishes. I&#8217;m feeling great and recovering nicely. I used the National Kidney Registry&#8217;s Voucher Program, allowing me to donate my kidney now and complete my healing while the NKR works to find a blood-type matched kidney for my intended recipient. It&#8217;s an incredible system.</p>
<p class="wp-block-paragraph">I&#8217;m slowly catching up on the many SRE-related articles posted during my hiatus. If you&#8217;ve sent me links, thank you so much, and please understand that I&#8217;m woefully behind on my inbox, but I&#8217;ll review your suggestion soon!</p>
&nbsp;
<div class="wp-block-group"><div class="wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow">
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.flightglobal.com/safety/flair-737-overrun-fatigued-captain-pressed-go-around-switch-instead-of-autothrottle-disconnect/161810.article" target="_blank" rel="noopener">Flair 737 overrun: Fatigued captain pressed go-around switch instead of autothrottle disconnect</a></div>
<div class="sreweekly-description">
<p>Human error? Perhaps, but there were multiple compounding factors in this airplane incident, including sleep debt, circadian rhythms, an inoperative thrust reverser, and normalization of deviance.</p>
<p>  <small>David Kaminski-Morrow — FlightGlobal</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.anthropic.com/engineering/a-postmortem-of-three-recent-issues" target="_blank" rel="noopener">[Anthropic] A postmortem of three recent issues</a></div>
<div class="sreweekly-description">
<blockquote>
<p>This is a technical report on three bugs that intermittently degraded responses from Claude. Below we explain what happened, why it took time to fix, and what we&#8217;re changing.</p>
</blockquote>
<p>I especially like the section, &#8220;Why detection was difficult&#8221;.</p>
<p>  <small>Anthropic</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://aws.amazon.com/message/101925/" target="_blank" rel="noopener">Summary of the Amazon DynamoDB Service Disruption in Northern Virginia (US-EAST-1) Region </a></div>
<div class="sreweekly-description">
<p>While I was out, I definitely heard about the bit AWS us-east-1 outage! Here&#8217;s Amazon&#8217;s write-up of the incident, involving a latent race condition.</p>
<p>&nbsp;&nbsp;<small>Amazon</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://surfingcomplexity.blog/2025/10/25/quick-thoughts-on-the-recent-aws-outage/" target="_blank" rel="noopener">Quick thoughts on the recent AWS outage</a></div>
<div class="sreweekly-description">
<p>I really love this analysis of the AWS us-east-1 outage. It&#8217;s Lorin&#8217;s Law once again: an infrastructure feature designed to improve reliability is implicated in an incident.</p>
<p>  <small>Lorin Hochstein</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://gizmodo.com/replits-ai-agent-wipes-companys-codebase-during-vibecoding-session-2000633176" target="_blank" rel="noopener">Replit&#8217;s AI Agent Wipes Company&#8217;s Codebase During Vibecoding Session</a></div>
<div class="sreweekly-description">
<p>Ouch! We should exercise caution when ascribing actions like &#8220;lying&#8221; and &#8220;covering tracks&#8221; to LLM-based agents &mdash; and of course when giving such agents deep access to modify our systems.</p>
<p>&nbsp;&nbsp;<small>Bruce Gil &mdash; Gizmodo</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://netflixtechblog.com/empowering-netflix-engineers-with-incident-management-ebb967871de4" target="_blank" rel="noopener">Empowering Netflix Engineers with Incident Management</a></div>
<div class="sreweekly-description">
<blockquote>
<p>This post delves into our journey to transform incident management from a centralized function into a widespread, accessible practice and the hard-won lessons we’ve learned along the way.</p>
</blockquote>
<p>They built a paved path based on <a href="https://incident.io/">Incident.io</a> that any of their teams could use to manage an incident.</p>
<p>&nbsp;&nbsp;<small>Molly Struve &mdash; Netflix</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://north-standard.com/insights-and-resources/resources/articles/human-error-is-not-a-root-cause" target="_blank" rel="noopener"> Human Error is not a Root Cause</a></div>
<div class="sreweekly-description">
<blockquote>
<p>If someone did something wrong, then it’s vital to understand why they did it.</p>
</blockquote>
<p>My favorite part of this article is the common list of reasons people violate procedures.</p>
<p>&nbsp;&nbsp;<small>NorthStandard</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.cloudflare.com/r2-sql-deep-dive/" target="_blank" rel="noopener">R2 SQL: a deep dive into our new distributed query engine</a></div>
<div class="sreweekly-description">
<p>A detailed description of Cloudflare&#8217;s new R2 SQL service that provides serverless querying across data in their object store service. This article helped me understand things I hadn&#8217;t really grasped before about how columnar datastores work.</p>
<p>&nbsp;&nbsp;<small>Yevgen Safronov, Nikita Lapkov, Jérôme Schneider &mdash; Cloudflare</small></p>
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