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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-443/">SRE Weekly Issue #443</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-443/">September 22, 2024</a>
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<p><a class="email_only" href="https://sreweekly.com/sre-weekly-issue-443/">View on sreweekly.com</a></p>
<p class="wp-block-paragraph">I&#8217;m working on launching a new sibling project to SRE Weekly that will have a different format. I&#8217;m on the lookout for potential sponsors now, so if you&#8217;re interested, reply by email or drop me a note at lex at sreweekly dot com. And don&#8217;t worry! SRE Weekly itself is here to stay.</p>
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<h2 style="text-align: center; font-size: 80%; color: #909090;">A message from our sponsor, <a href="https://firehydrant.com/">FireHydrant</a>:</h2>
<p>FireHydrant has acquired Blameless! The addition of Blameless&#8217; enterprise capabilities combined with FireHydrant&#8217;s platform creates the most comprehensive enterprise incident management solution in the market.</p>
<p><a href="https://firehydrant.com/blog/press-release-firehydrant-acquires-blameless-to-further-solidify-enterprise/">https://firehydrant.com/blog/press-release-firehydrant-acquires-blameless-to-further-solidify-enterprise/</a></p>
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<div class="sreweekly-title"><a href="https://thiagocaserta.substack.com/p/microservices-vs-monoliths-why-startups" target="_blank" rel="noopener">Microservices vs. Monoliths: Why Startups Are Getting &#8220;Nano-Services&#8221; All Wrong</a></div>
<div class="sreweekly-description">
<p>Thinking of creating a microservice architecture? Maybe think twice, says this article — backed by solid arguments.</p>
<p>  <small>Thiago Caserta</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://octopus.com/blog/octopus-cloud-architecture" target="_blank" rel="noopener">Octopus Cloud architecture</a></div>
<div class="sreweekly-description">
<p>Octopus describes how their cell-based architecture is built for reliability, but it comes with a couple of trade-offs.</p>
<p>&nbsp;&nbsp;<small>Pawel Pabich &mdash; Octopus Deploy</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://netflixtechblog.com/noisy-neighbor-detection-with-ebpf-64b1f4b3bbdd" target="_blank" rel="noopener">Noisy Neighbor Detection with eBPF</a></div>
<div class="sreweekly-description">
<blockquote>
<p>In this blog post, we&#8217;ll reveal how we leveraged eBPF to achieve continuous, low-overhead instrumentation of the Linux scheduler, enabling effective self-serve monitoring of noisy neighbor issues.</p>
</blockquote>
<p>&nbsp;&nbsp;<small>Jose Fernandez, Sebastien Dabdoub, Jason Koch, Artem Tkachuk &mdash; Netflix</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.pagerduty.com/blog/lessons-in-reliability/" target="_blank" rel="noopener">Myth vs. Reality: Lessons in Reliability from the July 19 Outage</a></div>
<div class="sreweekly-description">
<p>Some great insights in this one, including these gems:</p>
<blockquote>
<p>Myth #1: Redundancy Equals Reliability<br />
Myth #2: Preventing Failure is the Only Goal<br />
Myth #3: More Responders Equals Faster Resolution</p>
</blockquote>
<p>&nbsp;&nbsp;<small>Paula Thrasher &mdash; PagerDuty</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.checklyhq.com/blog/how-a-tcpdump-led-us-to-a-bug-in-nodes-ipv6-handli" target="_blank" rel="noopener">How a tcpdump led us to a bug in Node&#8217;s IPv6 handling</a></div>
<div class="sreweekly-description">
<p>These folks learned the hard way that Node doesn&#8217;t implement Happy Eyeballs. Definitely worth a read if you use Node or if you aren&#8217;t familiar with Happy Eyeballs.</p>
<p>&nbsp;&nbsp;<small>Umut Uzgur and Nočnica Mellifera &mdash; Checkly</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://incident.io/blog/the-ultimate-guide-to-on-call-schedules" target="_blank" rel="noopener">The ultimate guide to on-call schedules</a></div>
<div class="sreweekly-description">
<blockquote>
<p>In this post, we’ll cover the basics of on-call scheduling, the different types of on-call schedules you can use and when each is most appropriate, best practices for managing on-call shifts, and all the mistakes people normally make along the way.</p>
</blockquote>
<p>&nbsp;&nbsp;<small>Chris Evans &mdash; incident.io</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.alexewerlof.com/p/sli-heterogeneous-vs-homogeneous" target="_blank" rel="noopener">Heterogeneous SLI vs Homogeneous SLI</a></div>
<div class="sreweekly-description">
<p>There&#8217;s a subtle distinction between heterogeneous and homogeneous SLIs, but it&#8217;s important to understand which kind you&#8217;re working with and the pros and cons of each.</p>
<p>&nbsp;&nbsp;<small>Alex Ewerlöf</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.cloudflare.com/cloudflare-incident-on-september-17-2024" target="_blank" rel="noopener">Cloudflare incident on September 17, 2024</a></div>
<div class="sreweekly-description">
<p>Cloudflare inadvertently revoked their advertisement for some IPv4 addresses that were still being used for customer traffic due to a subtle bug in their automation.</p>
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