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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-248/">SRE Weekly Issue #248</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-248/">December 13, 2020</a>
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<a href="https://sreweekly.com/sre-weekly-issue-248/" title="Permalink to SRE Weekly Issue #248" class="email_only">View on sreweekly.com</a>
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<h2 style="text-align: center; font-size: 80%; color: #909090;">A message from our sponsor, StackHawk:</h2>
<p>Join StackHawk and Snyk on Wednesday to learn about how to automate application security testing with GitHub Actions. Register for the webinar here &#8211;&gt;<br />
<a href="https://sthwk.com/stackhawk-snyk">https://sthwk.com/stackhawk-snyk</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.last9.io/slos-that-lie/" target="_blank">SLOs That Lie &#8211; SRE Journal</a></div>
<div class="sreweekly-description">
<p>It&#8217;s really easy to get an &#8220;uptime&#8221; SLO wrong, and a lying SLO can give you a false sense of security.</p>
<p><small>Piyush Verma — Last9</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://sbg.technology/2020/12/09/its-just-a-monitoring-change/" target="_blank">It&#8217;s Just a Monitoring Change</a></div>
<div class="sreweekly-description">
<p>I love this quote. I feel like this is the &#8220;root cause&#8221; of every incident:</p>
<blockquote><p>As for the underlying cause of the incident (or the “root cause” if you insist on using such language), that has to be the fact that our assumptions as teams or individuals are ultimately formed by our past experiences.</p></blockquote>
<p><small>Oliver Leaver-Smith — Sky Betting &amp; Gaming</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://ferd.ca/complexity-has-to-live-somewhere.html" target="_blank">Complexity Has to Live Somewhere</a></div>
<div class="sreweekly-description">
<p>I really love the concept of requisite complexity. This article has me thinking about a big project I&#8217;m working on in a new light.</p>
<p><small>Fred Hebert</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://medium.com/strava-engineering/the-boring-option-4a7c6ad16ab8" target="_blank">The Boring Option</a></div>
<div class="sreweekly-description">
<p>They expected to max out an integer primary key column sometime in 2021. Then the pandemic hit and their timetable suddenly accelerated along with their traffic.</p>
<p><small>Jeff Pollard — Strava</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.unixdaemon.net/sysadmin/scary-sysadmin-halloween-stories/" target="_blank">Scary sysadmin Halloween stories</a></div>
<div class="sreweekly-description">
<p>I shouldn&#8217;t enjoy reading these so much&#8230; got any of your own to share?</p>
<p><small>Dean Wilson</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.pagerduty.com/blog/borrow-expertise-runbook-automation/" target="_blank">Borrow Expertise With Runbook Automation</a></div>
<div class="sreweekly-description">
<p>The idea of borrowing expertise makes me think of Bainbridge&#8217;s <a href="https://www.sciencedirect.com/science/article/abs/pii/0005109883900468">Ironies of Automation</a>.</p>
<p><small>Mandi Walls — PagerDuty</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://status.heroku.com/incidents/2127" target="_blank">Heroku Incident #2127 Follow-Up: Issues with starting new dynos</a></div>
<div class="sreweekly-description">
<p>Heroku&#8217;s report explains how their service was impacted as a result of the big Amazon Kinesis outage a couple weeks back.</p>
<p><small>Heroku</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.honeycomb.io/blog/setting-business-goals-with-slos/" target="_blank">Setting Business Goals with SLOs</a></div>
<div class="sreweekly-description">
<p>This primer focuses on ensuring that your SLOs actually match up with business objectives.</p>
<p><small>Irving Popovetsky — Honeycomb</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://twitter.com/Catfish_Man/status/1335421122947366912">AT&amp;T</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">An interesting Twitter thread about a router near San Francisco, California, USA that was flipping bits in packets for weeks. Folks took to Twitter to try to get AT&amp;T&#8217;s attention, and they finally fixed it.</li>
</ul>
</li>
<li><a href="https://www.bloomberg.com/news/articles/2020-12-07/interactive-brokers-users-report-problems-with-trading-platform">Robinhood</a></li>
<li><a href="https://www.heraldscotland.com/news/18935771.facebook-say-faults-saw-scots-hit-messenger-instagram-outages-resolved/">Facebook Messenger &amp; Instagram</a></li>
<li><a href="https://www.express.co.uk/life-style/science-technology/1371359/Office-365-Microsoft-Teams-SharePoint-OneDrive-status-down">Microsoft stuff</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">
<ul>
<li>Office 365</li>
<li>Teams</li>
<li>SharePoint</li>
<li>OneDrive</li>
</ul>
</li>
</ul>
</li>
<li><a href="https://reddit.statuspage.io/incidents/qr5vky5kwn3r">Reddit</a></li>
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