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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-458/">SRE Weekly Issue #458</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-458/">January 5, 2025</a>
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<p><a class="email_only" href="https://sreweekly.com/sre-weekly-issue-458/">View on sreweekly.com</a></p>
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<h2 style="text-align: center; font-size: 80%; color: #909090;">A message from our sponsor, <a href="https://incident.io/">incident.io</a>:</h2>
<p>Ever wonder how Netflix handles incidents at their scale? With incident.io, they’ve built a process that’s smooth, scalable, and keeps everyone on the same page. Tools like Catalog and Workflows make it intuitive for teams to tackle incidents consistently—no matter how big the challenge.</p>
<p><a href="https://incident.io/customers/netflix">https://incident.io/customers/netflix</a></p>
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<div class="sreweekly-title"><a href="https://surfingcomplexity.blog/2024/12/07/your-lying-virtual-eyes/" target="_blank" rel="noopener">Your lying virtual eyes</a></div>
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<p>We can never <em>see</em> our systems directly, so we rely on &#8220;sensors&#8221; to understand the state of the system. What if the sensors are broken?</p>
<p>&nbsp;&nbsp;<small>Lorin Hochstein</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://ufried.com/blog/laws_of_architectural_work/" target="_blank" rel="noopener">The laws of architectural work</a></div>
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<p>Two super insightful observations about the nature of architectural work, well worth revisiting next time you&#8217;re making big design decisions.</p>
<blockquote>
<p>So, “Two IMO relevant findings regarding architectural work” would probably be a more accurate title. But that would be a lot less catchy title … ;)</p>
</blockquote>
<p>&nbsp;&nbsp;<small>Uwe Friedrichsen</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.cloudflare.com/sometimes-i-cache/" target="_blank" rel="noopener">Sometimes I cache: implementing lock-free probabilistic caching</a></div>
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<p>To prevent revalidation stampedes, Cloudflare uses randomness to decide whether to send requests to the origin. Click through to find out how it works.</p>
<p>&nbsp;&nbsp;<small>Thibault Meunier &mdash; Cloudflare</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://dzone.com/articles/why-ec2-autoscaling-isnt-a-silver-bullet" target="_blank" rel="noopener">Why EC2 Autoscaling Isn’t a Silver Bullet</a></div>
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<p>Some problems with autoscaling, along with potential solutions.</p>
<p>&nbsp;&nbsp;<small> John Akkarakaran Jose &mdash; DZone</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://dzone.com/articles/migration-from-rds-to-dynamodb-with-the-dual-write-strategy" target="_blank" rel="noopener">Migration from RDS to DynamoDB With the Dual Write Strategy</a></div>
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<blockquote>
<p>This article provides a detailed overview of the Incremental Migration with the Dual Write strategy, including the necessary steps, considerations, and best practices.</p>
</blockquote>
<p>&nbsp;&nbsp;<small> Deepti Marrivada, Bal Reddy Cherlapally, and Spurthi Jambula &mdash; DZone</small></p>
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<div class="sreweekly-title"><a href="https://www.pulumi.com/blog/your-perfect-infrastructure-sucks/" target="_blank" rel="noopener">Your Perfect Infrastructure May Not Be So Perfect</a></div>
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<blockquote>
<p>trying to build the perfect system that anticipates every future need is often worse than creating a system designed to change quickly.</p>
</blockquote>
<p>I&#8217;ve experienced this firsthand as well. Even an architecture that was supposed to be static needed to change as requirements evolved.</p>
<p>&nbsp;&nbsp;<small>Simen A. W. Olsen &mdash; Pulumi</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://muratbuffalo.blogspot.com/2024/12/utilizing-highly-synchronized-clocks-in.html" target="_blank" rel="noopener"> Utilizing highly synchronized clocks in distributed databases</a></div>
<div class="sreweekly-description">
<p>Using more reliable clocks with definite precision allows for significant performance improvements in distributed systems, as described in this article.</p>
<p>&nbsp;&nbsp;<small>Murat</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://brooker.co.za/blog/2024/12/17/occ-and-isolation.html" target="_blank" rel="noopener">Snapshot Isolation vs Serializability</a></div>
<div class="sreweekly-description">
<p>This opinion piece argues that Snapshot Isolation is the &#8220;sweet spot&#8221; isolation level that is best for most applications.</p>
<p>&nbsp;&nbsp;<small>Marc Brooker</small></p>
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