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<title>SRE Weekly Issue #225 &#8211; SRE WEEKLY</title>
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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-225/">SRE Weekly Issue #225</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-225/">June 28, 2020</a>
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<a href="https://sreweekly.com/sre-weekly-issue-225/" title="Permalink to SRE Weekly Issue #225" 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>Application security is shifting to a model where the engineers who write the code also take ownership of the security. Read our docs to learn more about how StackHawk makes that happen.<br />
<a href="https://docs.stackhawk.com?utm_source=SREWeekly">https://docs.stackhawk.com?utm_source=SREWeekly</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.catchpoint.com/2020/06/24/catchpoint-sre-report-2020/" target="_blank">Catchpoint’s SRE Report 2020 – The Highlights</a></div>
<div class="sreweekly-description">
<p>This suggests an upcoming shift in our field:</p>
<blockquote><p>50 percent of SREs believe they will be working remotely post COVID-19, as compared to only 20 percent prior to the pandemic.</p></blockquote>
<p><small>Kameerath Kareem — Catchpoint</small></p>
<p><strong>BONUS CONTENT:</strong> An outside take on the survey results is <a href="https://devops.com/survey-finds-sre-role-remains-largely-aspirational/">here</a> (Mike Vizard — DevOps.com).</p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://willgallego.com/2020/06/28/even-experts-need-experts/" target="_blank">Even Experts Need Experts</a></div>
<div class="sreweekly-description">
<p>No one person can (or should) know everything. How do we allocate expertise and build connections in order to maximize resilience and adaptive capacity?</p>
<p><small>Will Gallego</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://status.heroku.com/incidents/2038" target="_blank">Heroku Incident Folow-up: Incident #2038</a></div>
<div class="sreweekly-description">
<p>A new feature was accidentally rolled out to too wide an audience, causing log message loss.</p>
<p><small>Heroku</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.linkedin.com/blog/2020/the-impact-of-slow-nfs-on-data-systems" target="_blank">The impact of slow NFS on data systems</a></div>
<div class="sreweekly-description">
<blockquote><p>[&#8230;] one slow block device can affect the performance of processes even when those processes don’t use the slow block device.</p></blockquote>
<p><small>Kalyanasundaram Somasundaram — LinkedIn</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://cloud.google.com/blog/products/management-tools/sre-error-budgets-and-maintenance-windows/" target="_blank">SRE error budgets and maintenance windows</a></div>
<div class="sreweekly-description">
<p>Should you count scheduled maintenance against your error budget? It depends.</p>
<p><small>Jesus Climent — Google</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.ably.io/blog/cassandra-counter-columns-nice-in-theory-hazardous-in-practice" target="_blank">Cassandra counter columns: nice in theory, hazardous in practice</a></div>
<div class="sreweekly-description">
<p>An investigation in response to three incidents led to this stark conclusion about Cassandra&#8217;s &#8220;counter columns&#8221; feature:</p>
<blockquote><p>In fact, they don&#8217;t appear to have any properties that make them a useful primitive for building predictable distributed systems.</p></blockquote>
<p><small>Paddy Byers — Ably</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.cloudzero.com/blog/how-to-be-a-financially-conscious-site-reliability-engineer" target="_blank">How to Be a Financially Conscious Site Reliability Engineer</a></div>
<div class="sreweekly-description">
<p>This article explains why we should have cost data at our fingertips as we design cloud-based systems.</p>
<blockquote><p>[&#8230;] a well-architected system is often a cost-efficient system.</p></blockquote>
<p><small>CloudZero</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://resilienceroundup.com/issues/a-shared-pilot-autopilot-control-architecture-for-resilient-flight/" target="_blank">A Shared Pilot-Autopilot Control Architecture for Resilient Flight</a></div>
<div class="sreweekly-description">
<p>This is a new concept to me, and I really like it:</p>
<blockquote><p>Capacity for maneuver (CfM) is a measure of how much adaptability or room to respond to a new challenge that a given part of the system has, whether a person or autonomous agent.</p></blockquote>
<p><small>Amir B. Farjadian, Benjamin Thomsen, Anuradha M. Annaswamy, and David D. Woods (original paper)</small></p>
<p><small>Thai Wood — Resilience Roundup (summary)</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://status.pagerduty.com/incidents/msgw48k0xz1f">PagerDuty</a></li>
<li><a href="https://www.githubstatus.com/incidents/shdhxntw519h">GitHub</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">
<blockquote><p>An update to our nameservers has been rolled back. We are monitoring recovery.</p></blockquote>
</li>
</ul>
</li>
<li><a href="https://www.itpro.co.uk/cloud/356238/ibm-cloud-suffers-second-global-outage-in-a-month">IBM Cloud</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">I saw several mentions of this outage in the media but IBM&#8217;s <a href="https://cloud.ibm.com/status?selected=history">status page</a> doesn&#8217;t seem to list it.</li>
</ul>
</li>
<li><a href="https://status.fastly.com/incidents/qt9xpxx583l3">Fastly</a></li>
<li><a href="https://reddit.statuspage.io/incidents/7vqrw2b165sm">Reddit</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">and <a href="https://reddit.statuspage.io/incidents/jhw2btbcd3jl">this one</a></li>
</ul>
</li>
</ul>
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