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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-459/">SRE Weekly Issue #459</a></h1>
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<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-459/">January 12, 2025</a>
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<p><a class="email_only" href="https://sreweekly.com/sre-weekly-issue-459/">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>Effective incident management demands coordination and collaboration to minimize disruptions. This guide by incident.io covers the full incident lifecycle—from preparation to improvement—emphasizing teamwork beyond engineering. By engineers, for engineers.</p>
<p><a href="https://incident.io/guide">https://incident.io/guide</a></p>
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<div class="sreweekly-title"><a href="https://theburningmonk.com/2024/12/how-to-e2e-test-microservices-across-bounded-contexts/" target="_blank" rel="noopener">How to end-to-end test microservices across bounded contexts?</a></div>
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<p>In a microservices environment, testing user journeys that span across multiple bounded contexts requires collaboration and a clear delineation of responsibilities.</p>
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<p>  <small>Yan Cui</small></p>
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<div class="sreweekly-title"><a href="https://engineering.mercari.com/en/blog/entry/20241223-a-smooth-cdn-provider-migration-and-future-initiatives/" target="_blank" rel="noopener">A smooth CDN provider migration and future initiatives</a></div>
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<p>These folks migrated from Fastly to Cloudflare using Terraform. They wrote a Go program to translate from their Fastly VCL configurations to an equivalent set of parameters to their Terraform module.</p>
<p>&nbsp;&nbsp;<small>hatappi1225 &mdash; Mercari</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://muratbuffalo.blogspot.com/2024/12/use-of-time-in-distributed-databases.html" target="_blank" rel="noopener">Use of Time in Distributed Databases (part 1)</a></div>
<div class="sreweekly-description">
<p>This 3-part series does a deep dive on how time and clocks work in distributed data stores. Part 2 is <a href="https://muratbuffalo.blogspot.com/2024/12/use-of-time-in-distributed-databases_26.html">here</a> and part 3 is <a href="https://muratbuffalo.blogspot.com/2024/12/use-of-time-in-distributed-databases_30.html">here</a>.</p>
<p>&nbsp;&nbsp;<small>Murat</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://aphyr.com/posts/378-seconds-since-the-epoch" target="_blank" rel="noopener">Seconds Since the Epoch</a></div>
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<p>TIL: &#8220;Unix time&#8221; (seconds since the epoch) does not include leap seconds.</p>
<p>  <small>Kyle Kingsbury</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.flyingpenguin.com/?p=64164" target="_blank" rel="noopener">Facebook Engineering Disasters Are Not Inevitable: Moving Past Casual Commentary to Real Change</a></div>
<div class="sreweekly-description">
<p>This post argues that tech companies should avoid outages like Facebook&#8217;s in 2021 by using much more rigorous principles such as those used to build bridges. I&#8217;m not so sure about that, but it was an interesting read.</p>
<p>&nbsp;&nbsp;<small>Davi Ottenheimer</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.cloudflare.com/behind-the-scenes-with-stream-live-cloudflares-live-streaming-service/" target="_blank" rel="noopener">Behind the scenes with Stream Live, Cloudflare’s live streaming service</a></div>
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<p>There&#8217;s a lot going on beneath the surface in a live video streaming service. Cloudflare walks us through it, including key design decisions like on-the-fly transcoding.</p>
<p>&nbsp;&nbsp;<small>Kyle Boutette and Jacob Curtis &mdash; Cloudflare</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://brooker.co.za/blog/2024/12/06/inside-dsql-cap.html" target="_blank" rel="noopener">DSQL Vignette: Wait! Isn&#8217;t That Impossible?</a></div>
<div class="sreweekly-description">
<p>DSQL is Amazon&#8217;s new serverless PostgreSQL-compatible datastore.</p>
<blockquote>
<p>Aurora DSQL is designed to remain available, durable, and strongly consistent even in the face of infrastructure failures and network partitions.</p>
</blockquote>
<p>But what about the CAP Theorem? Click through to find out how.</p>
<p>&nbsp;&nbsp;<small>Marc Brooker</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://ufried.com/blog/road_to_resilience_8/" target="_blank" rel="noopener">The long way towards resilience</a></div>
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<p>This new installment introduces the next level of resilience, which involves the ability to radically change your approach if the usual adaptation strategies fall short.</p>
<p>&nbsp;&nbsp;<small>Uwe Friedrichsen</small></p>
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