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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-496/">SRE Weekly Issue #496</a></h1>
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<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-496/">November 9, 2025</a>
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<p><a class="email_only" href="https://sreweekly.com/sre-weekly-issue-496/">View on sreweekly.com</a></p>
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<div class="sreweekly-title"><a href="https://surfingcomplexity.blog/2025/09/13/the-hidden-trade-offs-of-fine-grained-progressive-rollouts/" target="_blank" rel="noopener">The hidden trade-offs of fine-grained progressive rollouts</a></div>
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<p>Progressive rollouts may seem like a great strategy to reduce risk, but this article explains some hidden difficulties. For example, a slow rollout can obscure a problem or make it more difficult to detect.</p>
<p>  <small>Lorin Hochstein</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.cloudflare.com/go-and-enhance-your-calm/" target="_blank" rel="noopener">Go and enhance your calm- demolishing an HTTP:2 interop problem</a></div>
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<p>A fun HTTP/2 debugging journey, complete with a somewhat ridiculous solution: read the don&#8217;t forget to zero-length response body.</p>
<p>&nbsp;&nbsp;<small>Lucas Pardue and Zak Cutner &mdash; Cloudflare</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://dzone.com/articles/stop-reactive-network-troubleshooting" target="_blank" rel="noopener">Stop Reactive Network Troubleshooting: Monitor These 5 Metrics to Prevent Downtime</a></div>
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<p>I know that title sounds like a Listicle, but I can tell that this list of canary metrics came from hard-won experience.</p>
<p>&nbsp;&nbsp;<small> Sascha Neumeier &mdash; DZone</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://fatihkoc.net/posts/sre-observability-slo-runbooks/" target="_blank" rel="noopener">From Signals to Reliability: SLOs, Runbooks and Post-Mortems</a></div>
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<blockquote>
<p>This post focuses on the human systems that turn observability into reliability. You’ll see how to define SLOs that drive decisions, build runbooks that scale team knowledge, structure post-mortems that generate improvements and embed these practices into engineering culture without adding bureaucracy.</p>
</blockquote>
<p>&nbsp;&nbsp;<small>Fatih Koç</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://one2n.io/blog/sre-math-every-engineer-should-know-a-practical-guide" target="_blank" rel="noopener">SRE math every engineer should know: a practical guide</a></div>
<div class="sreweekly-description">
<p>You don&#8217;t have to be a mathematician, but understanding a few key concepts is critical for an SRE.</p>
<p>&nbsp;&nbsp;<small>Srivatsa RV &mdash; One2N</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://thenewstack.io/llms-broke-the-sre-runbook-now-what/" target="_blank" rel="noopener">LLMs Broke the SRE Runbook. Now What?</a></div>
<div class="sreweekly-description">
<blockquote>
<p>Outputs are non-deterministic, data pipelines shift underfoot, and key components behave like black boxes. As a result, many of the tools and rituals SREs have mastered for decades no longer map cleanly to production AI.</p>
</blockquote>
<p>This is a summary of a panel discussion from SREcon EMEA 2025 on how SREs can adapt to LLMs.</p>
<p>&nbsp;&nbsp;<small>Sylvain Kalache &mdash; The New Stack</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://biriukov.dev/posts/trixter-chaos-proxy/" target="_blank" rel="noopener">Trixter: A Chaos Proxy for Simulating Network Faults</a></div>
<div class="sreweekly-description">
<p>This nifty tool lets you to inject all sorts of faults into a TCP stream and see what happens. It&#8217;s in userland, so it&#8217;s much easier to use than Linux&#8217;s traffic shaper.</p>
<p>&nbsp;&nbsp;<small>Viacheslav Biriukov</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://uptimelabs.io/your-brain-on-incidents/" target="_blank" rel="noopener">Your Brain on Incidents</a></div>
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<p>This one starts with an on-call horror story, but fortunately it also has useful tips for improving on-call health.</p>
<p>&nbsp;&nbsp;<small>Stuart Rimell &mdash; Uptime Labs</small></p>
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