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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-211/">SRE Weekly Issue #211</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-211/">March 15, 2020</a>
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<a href="https://sreweekly.com/sre-weekly-issue-211/" title="Permalink to SRE Weekly Issue #211" class="email_only">View on sreweekly.com</a>
<div class="sreweekly-sponsor-message" style="border: 1px solid #b0b0b0; padding-left: 1rem; padding-right: 1rem; width: 80%; align: center; margin: 2rem auto 2rem auto;">
<h2 style="text-align: center; font-size: 80%; color: #909090;">A message from our sponsor, VictorOps:</h2>
<p>What’s the most important metric for SRE? Well, Splunk Cloud Platform SRE, Jonathan Schwietert, argues that it’s customer happiness. On Tuesday (03/17), join Splunk + VictorOps for a webinar about using SRE and observability to build customer-first applications and services:</p>
<p><a href="https://go.victorops.com/sreweekly-sre-for-happier-customers">https://go.victorops.com/sreweekly-sre-for-happier-customers</a></p>
</div>
<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.usenix.org/conference/srecon20apac" target="_blank">SREcon20 Asia/Pacific</a></div>
<div class="sreweekly-description">
<p>SRECon20 Asia/Pacific is rescheduled to September 7–9, 2020.</p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://slackhq.com/business-continuity-plan-covid-19" target="_blank">Business continuity at Slack: Keeping our customers up and running during COVID-19</a></div>
<div class="sreweekly-description">
<p>This article has a definite marketing slant. It&#8217;s nonetheless interesting to see how Slack is handling the situation.</p>
<p><small>Cal Henderson and Robby Kwok, Slack</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://mads-hartmann.com/sre/2020/03/05/journey-into-observability-glitchs-journey.html" target="_blank">Journey into Observability: Glitch’s journey</a></div>
<div class="sreweekly-description">
<p>I love this gem:</p>
<blockquote><p>I’m not surprised companies that are far into their observability journey start advocating for testing in production &#8211; once you have the data and you can slice &amp; dice it as you see fit, testing in production seems like a totally reasonable thing to do.</p></blockquote>
<p><small>Mads Hartmann</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.pagerduty.com/blog/lessons-distributed-communication-incident-response/" target="_blank">Lessons in Distributed Communication From Incident Response</a></div>
<div class="sreweekly-description">
<blockquote><p>With many companies suddenly shifting into figuring out how to become distributed organizations overnight, we can learn many lessons by looking at incident response patterns.</p></blockquote>
<p><small>George Miranda — PagerDuty</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.acolyer.org/2020/03/13/correlation-x-2/" target="_blank">When correlation (or lack of it) can be causation</a></div>
<div class="sreweekly-description">
<blockquote><p>Today’s post is a double header. I’ve chosen two papers from NSDI’20 that are both about correlation.</p></blockquote>
<p>Paper #1 is a tool that helps identify when files A and B are often changed at the same time, and warns you if you forgot B.</p>
<p>Paper #2 is a tool for finding correlated failure risks that threaten reliability.</p>
<p><small>Mehta et al. — NSDI’20 (original paper #1)</small><br />
<small>Zhai et al. — NSDI’20 (original paper #2)</small><br />
<small>Adrian Colyer — The Morning Paper (summaries)</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.blameless.com/great-incident-response-3-components/" target="_blank">Great Incident Response Requires 3 Major Components</a></div>
<div class="sreweekly-description">
<p>The components from the article are:</p>
<blockquote><p>Ability to recognize how bad the situation really is, and prioritize it<br />
Effective communication skills<br />
Compassionate responses to mistakes and a learning mindset</p></blockquote>
<p><small>Hannah Culver — Blameless</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.gremlin.com/blog/announcing-failover-conf/" target="_blank">Announcing Failover Conf</a></div>
<div class="sreweekly-description">
<blockquote><p>We’re pleased to announce Failover Conf, a conference focused on building resilient systems. The conference will be held online on April 21 and session submissions will be accepted through March 23.</p></blockquote>
<p>CFP open through March 23.</p>
<p><small>Gremlin</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.firehydrant.io/blog/grow-your-blame-free-culture-with-these-postmortem-best-practices/" target="_blank">Grow your blame-free culture with these postmortem best practices | FireHydrant</a></div>
<div class="sreweekly-description">
<p>There are some good tips in here, especially if you&#8217;re new to this.</p>
<p><small>Mandy Mak</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.fastly.com/blog/network-automation-helps-support-worlds-biggest-live-streaming-moments" target="_blank">How network automation helps Fastly support the world&#8217;s biggest live-streaming moments</a></div>
<div class="sreweekly-description">
<p>Fastly&#8217;s APS tool (Auto Peer Slasher) detects when a link is nearing saturation and automatically reroutes traffic through a different interface.</p>
<p><small>Ryan Landry — Fastly</small></p>
<p><small><em>Full disclosure: Fastly is my employer.</em></small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://www.interaksyon.com/trends-spotlights/2020/03/11/163964/doh-website-downtime-covid19-confirmed-cases/">US Dept. of Health site and COVID-19 tracker</a></li>
<li><a href="https://www.republicworld.com/technology-news/apps/is-twitter-down-today-twitter-server-outage.html">Is Twitter down today? What&#8217;s causing the issue and how can you fix it &#8211; Republic World</a></li>
<li><a href="https://www.yahoo.com/lifestyle/robinhoods-third-outage-may-point-131113298.html">Robinhood</a></li>
<li><a href="https://www.express.co.uk/life-style/science-technology/1188605/Snapchat-Down-Not-Working-Server-Status">Snapchat</a></li>
<li><a href="https://status.fastly.com/incidents/xbhx902s90sm">Fastly</a></li>
<li><a href="https://status.slack.com//2020-03/1bf29bb9e356ed20">Slack</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">And <a href="https://status.slack.com//2020-03/d1b5732c9a057152">this one</a>.</li>
</ul>
</li>
<li><a href="https://twitter.com/GSSystemAlerts/status/1237719656628129793">GlobalSign (CA)</a></li>
<li><a href="https://blog.robinhood.com/news/2020/3/3/an-update-from-robinhoods-founders">An Update from Robinhood’s Founders — Under the Hood</a></li>
<li><a href="https://status.pagerduty.com/incidents/675fg50jbq5m">PagerDuty</a></li>
</ul>
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