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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-485/">SRE Weekly Issue #485</a></h1>
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<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-485/">July 13, 2025</a>
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<p><a class="email_only" href="https://sreweekly.com/sre-weekly-issue-485/">View on sreweekly.com</a></p>
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<p>SRE Weekly has openings for new sponsorships. Reply or email lex <em>at</em> sreweekly.com for details.</p>
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<div class="wp-block-group"><div class="wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow">
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<div class="sreweekly-title"><a href="https://www.atlassian.com/blog/atlassian-engineering/migrating-jira-database-platform-to-aws-aurora" target="_blank" rel="noopener">Migrating the Jira Database Platform to AWS Aurora</a></div>
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<blockquote>
<p>How would you migrate several <em>million</em> databases, with minimal impact to your users?</p>
</blockquote>
<p>Atlassian allocates one Postgres database per tenant customer, with a few thousand colocated on each RDS instance. This migration story was a riveting read!</p>
<p>&nbsp;&nbsp;<small>Pat Rubis &mdash; Atlassian</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://surfingcomplexity.blog/2025/06/14/what-went-well-is-more-than-just-a-pat-on-the-back/" target="_blank" rel="noopener">“What went well” is more than just a pat on the back</a></div>
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<blockquote>
<p>Here’s my claim: <em><strong>providing details on how things went well will reduce your future mitigation time even more than focusing on what went wrong.</strong></em></p>
</blockquote>
<p>&nbsp;&nbsp;<small>Lorin Hochstein</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.datadoghq.com/blog/engineering/reliable-log-delivery/" target="_blank" rel="noopener">How we built reliable log delivery to thousands of unpredictable endpoints</a></div>
<div class="sreweekly-description">
<p>My favorite part of this article was the explanation of how they handle pent-up logs when a customer&#8217;s endpoint recovers, without overwhelming the endpoint.</p>
<p>&nbsp;&nbsp;<small>Gabriel Reid &mdash; Datadog</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://uptimelabs.io/surprise-surprise-when-reality-doesnt-read-the-runbook/" target="_blank" rel="noopener">Surprise Surprise: When Reality Doesn’t Read the Runbook</a></div>
<div class="sreweekly-description">
<p>How do you deal with fundamental surprise? This article introduces the concept of surprise<sup>2</sup>, an incident you couldn&#8217;t see coming. Click through for some strategies to handle the inevitable occasional fundamentally surprising incident.</p>
<p>&nbsp;&nbsp;<small>Stuart Rimell &mdash; Uptime Labs</small></p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://dzone.com/articles/how-we-broke-the-monolith-and-kept-our-sanity" target="_blank" rel="noopener">How We Broke the Monolith (and Kept Our Sanity): Lessons From Moving to Microservices</a></div>
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<p>A team found themselves needing to switch to microservices, and they chronicled their approach and results. I really like the section on the surprises they encountered.</p>
<p>&nbsp;&nbsp;<small> Shushyam Malige Sharanappa &mdash; DZone</small></p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://dropbox.tech/infrastructure/seventh-generation-server-hardware" target="_blank" rel="noopener">Seventh-generation server hardware at Dropbox: our most efficient and capable architecture yet</a></div>
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<p>Dropbox shares what went into the rollout of their new fleet, including careful management of heat, vibration, and power.</p>
<p>&nbsp;&nbsp;<small>Eric Shobe and Jared Mednick &mdash; Dropbox</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://huggingface.co/blog/infrastructure-alerting" target="_blank" rel="noopener">Three Mighty Alerts Supporting Hugging Face’s Production Infrastructure</a></div>
<div class="sreweekly-description">
<blockquote>
<p>In this blog post, we’ll dive into the details of three mighty alerts that play their unique role in supporting our production infrastructure, and explore how they&#8217;ve helped us maintain the high level of performance and uptime that our community relies on.</p>
</blockquote>
<p>&#8230;plus one bonus alert!</p>
<p>&nbsp;&nbsp;<small>Jeremy Udit &mdash; Hugging Face</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://klaviyo.tech/our-experience-with-amazon-aurora-blue-green-deployments-cb867d2d640e" target="_blank" rel="noopener">Our Experience with Amazon Aurora Blue/Green Deployments</a></div>
<div class="sreweekly-description">
<p>Klaviyo adopted RDS&#8217;s blue/green deployment feature to make MySQL version upgrades much less painful. In this article they share their path to blue/green deployment and their results.</p>
<p>&nbsp;&nbsp;<small>Marc Dellavolpe &mdash; Klaviyo</small></p>
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