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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-464/">SRE Weekly Issue #464</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-464/">February 16, 2025</a>
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<a class="email_only" href="https://sreweekly.com/sre-weekly-issue-464/">View on sreweekly.com</a>
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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>For years, on-call has felt more like a burden than a solution. But modern teams are making a change. On <strong>Feb 26</strong> at <strong>1 PM EST</strong>, hear why—and how—they’re moving from PagerDuty to incident.io On-call. Register now.</p>
<p><a href="https://go.incident.io/events/migrating-from-pagerduty">https://go.incident.io/events/migrating-from-pagerduty</a></p>
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<div class="sreweekly-title"><a href="https://blog.railway.com/p/data-center-build-part-one" target="_blank" rel="noopener">So You Want to Build Your Own Data Center</a></div>
<div class="sreweekly-description"><p>These folks decided that Google Cloud wasn&#8217;t for them, and they built and migrated to their own datacenter in 9 months. This article goves over the physical buildout.</p>
<p>&nbsp;&nbsp;<small>Charith Amarasinghe &mdash; Railway</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://substack.com/home/post/p-156355259?utm_campaign=post&#038;utm_medium=web" target="_blank" rel="noopener">How GitLab Lost 300GB of Production Data and What We Can Learn</a></div>
<div class="sreweekly-description"><p>I remember when this incident happened in 2017. It was a huge one, and GitLab was very open with information about what happened. Here&#8217;s a look back at what happened.</p>
<p>&nbsp;&nbsp;<small>Byte-Sized Design</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.fb.com/2025/02/03/production-engineering/how-precision-time-protocol-ptp-handles-leap-seconds/" target="_blank" rel="noopener">How Precision Time Protocol handles leap seconds</a></div>
<div class="sreweekly-description"><p>When your distributed system deals in nanosecond precision, an extra second is a big deal.</p>
<p>&nbsp;&nbsp;<small>Oleg Obleukhov and Patrick Cullen &mdash; Meta</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://queue.acm.org/detail.cfm?ref=rss&#038;id=3712057" target="_blank" rel="noopener">Systems Correctness Practices at AWS</a></div>
<div class="sreweekly-description"><p>Learn how AWS uses formal verification and other techniques.</p>
<blockquote>
<p>Alongside industry-standard testing methods (such as unit and integration testing), AWS has adopted model checking, fuzzing, property-based testing, fault-injection testing, deterministic simulation, event-based simulation, and runtime validation of execution traces. </p>
</blockquote>
<p>&nbsp;&nbsp;<small>Marc Brooker and Ankush Desai &mdash; ACM Queue</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://robpostonblog.wordpress.com/2025/02/04/dealing-with-chaos-during-cardiac-surgery/" target="_blank" rel="noopener">Surviving Cardiac Surgical Chaos</a></div>
<div class="sreweekly-description"><p>Normally, we rely on the thoughts, decisions, and actions of individuals to create resilizence in our sociotechnical systems, but in some time-critical situations, it can be best for one expert to call the shots.</p>
<p>&nbsp;&nbsp;<small>Robert Poston, MD</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://dannorth.net/best-simple-system-for-now/" target="_blank" rel="noopener">Best Simple System for Now</a></div>
<div class="sreweekly-description"><blockquote>
<p>You do not have to choose between gold-plating dressed as craftsmanship or perfectionism and corner-cutting framed as pragmatism or realism. You can have the quality of the former at the speed and focus of the latter. I call this the Best Simple System for Now.</p>
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<p>&nbsp;&nbsp;<small>Dan North &amp; Associates</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.reddit.com/r/sre/comments/1ipradd/how_doctors_handoff_patients_how_it_applies_to/" target="_blank" rel="noopener">How doctors handoff patients (how it applies to incidents) </a></div>
<div class="sreweekly-description"><p>This is the first I&#8217;ve heard of I-PASS, and I like it!</p>
<p>&nbsp;&nbsp;<small>u/devoopseng &mdash; r/sre</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://iamevan.me/blog/the-theory-behind-understanding-failure/" target="_blank" rel="noopener">The Theory Behind Understanding Failure</a></div>
<div class="sreweekly-description"><p>This article is a roundup of schools of thought on how systems fail, with a pretty excellent list of links to related articles at the end.</p>
<p>&nbsp;&nbsp;<small>Evan Smith</small></p></div></div>
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