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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-455/">SRE Weekly Issue #455</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-455/">December 15, 2024</a>
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<p><a class="email_only" href="https://sreweekly.com/sre-weekly-issue-455/">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://firehydrant.com/">FireHydrant</a>:</h2>
<p>FireHydrant Retrospectives are now more customizable and collaborative than ever with custom templates, AI-generated answers, collaborative editing&#8230; all exportable to Google Docs and Confluence. See how our retros can save you 2+ hours on every incident.</p>
<p><a href="https://firehydrant.com/blog/welcome-to-your-new-retrospective-experience-more-customizable-collaborative/">https://firehydrant.com/blog/welcome-to-your-new-retrospective-experience-more-customizable-collaborative/</a></p>
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<div class="sreweekly-title"><a href="https://newsletter.scalablethread.com/p/how-to-handle-sudden-bursts-of-traffic?utm_campaign=post&#038;utm_medium=web" target="_blank" rel="noopener">How to Handle Sudden Bursts of Traffic or &#8220;Thundering Herd Problem&#8221;?</a></div>
<div class="sreweekly-description">
<p>This article has 6 methods to mitigate thundering herd problems, including pretty diagrams with each.</p>
<p>&nbsp;&nbsp;<small>Sid</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.frctlflm.blog/blog/thesecond-victim-and-beatitude" target="_blank" rel="noopener">The“Second Victim” and Beatitude</a></div>
<div class="sreweekly-description">
<p>Some thoughts on the &#8220;second victim&#8221; concept. As a note, I was one of the participants in the discussion on which this article is based.</p>
<p>&nbsp;&nbsp;<small>Fractal Flame</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://queue.acm.org/detail.cfm?ref=rss&#038;id=3703127" target="_blank" rel="noopener">Building on Shaky Ground</a></div>
<div class="sreweekly-description">
<p>Written in response to a question about the big CrowdStrike outage earlier this year, this article asks: do we need to start using safer languages?</p>
<p>&nbsp;&nbsp;<small>Kode Vicious &mdash; ACM Queue</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.grab.com/seamless-migration" target="_blank" rel="noopener">How we seamlessly migrated high volume real-time streaming traffic from one service to another with zero data loss and duplication</a></div>
<div class="sreweekly-description">
<p>This one used a cool technique I haven&#8217;t seen yet: they hardcoded a cutoff time into the old and new systems, so they both automatically cut over simultaneously.</p>
<p>&nbsp;&nbsp;<small> Md Riyadh, Jia Long Loh, Muqi Li, and Pu Li &mdash; Grab</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://incident.io/blog/the-flight-plan-that-brought-uk-airspace-to-its-knees" target="_blank" rel="noopener">The flight plan that brought UK airspace to its knees</a></div>
<div class="sreweekly-description">
<p>Here&#8217;s a great writeup of a problem with the UK flight system involving a latent bug. Among several cool takeaways, I really liked the way the official incident report didn&#8217;t try to pretend this weird bug could have been foreseen and prevented.</p>
<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.lawrencejones.dev/game-days-go-wrong/" target="_blank" rel="noopener">When Game Days go wrong</a></div>
<div class="sreweekly-description">
<p>This game day ended up way more serious than intended and exposed a serious Kubernetes configuration flaw, causing a real outage. Oops!</p>
<p>&nbsp;&nbsp;<small>Lawrence Jones</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.prezi.com/how-using-availability-zones-can-eat-up-your-budget-our-journey-from-prometheus-to-be8a816f7efe" target="_blank" rel="noopener">How using Availability Zones can eat up your budget — our journey from Prometheus to VictoriaMetrics</a></div>
<div class="sreweekly-description">
<p>It&#8217;s all fun and games until someone accidentally uses too much DTAZ (data transfer between availability zones). Good monitoring story, too!</p>
<p>&nbsp;&nbsp;<small>Grzegorz Skołyszewski &mdash; Prezi</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://status.openai.com/incidents/ctrsv3lwd797" target="_blank" rel="noopener">API, ChatGPT &#038; Sora Facing Issues</a></div>
<div class="sreweekly-description">
<p>OpenAI posted this writeup of an incident earlier this week. They tried to deploy detailed monitoring for their Kubernetes cluster, but the monitoring system overloaded the Kubernetes API.</p>
<p>&nbsp;&nbsp;<small>OpenAI</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://surfingcomplexity.blog/2024/12/14/quick-takes-on-the-recent-openai-public-incident-write-up/" target="_blank" rel="noopener">Quick takes on the recent OpenAI public incident write-up</a></div>
<div class="sreweekly-description">
<p>And here&#8217;s Lorin Hochstein&#8217;s analysis of OpenAI&#8217;s incident writeup, including a recurring theme:</p>
<blockquote>
<p>This is a great example of <em>unexpected behavior of a subsystem whose primary purpose was to improve reliability</em>.</p>
</blockquote>
<p>  <small>Lorin Hochstein</small></p>
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