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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-212/">SRE Weekly Issue #212</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-212/">March 22, 2020</a>
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<a href="https://sreweekly.com/sre-weekly-issue-212/" title="Permalink to SRE Weekly Issue #212" 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>With a surge of developers and IT practitioners working remotely, there’s also a surge of confusion and operational inefficiency. See how data and automation is improving the way SREs and IT operations engineers build, release and maintain reliable services remotely:</p>
<p><a href="https://go.victorops.com/sreweekly-data-and-automation-for-remote-teams">https://go.victorops.com/sreweekly-data-and-automation-for-remote-teams</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.acolyer.org/2020/02/26/meaningful-availability/" target="_blank">Meaningful availability</a></div>
<div class="sreweekly-description">
<blockquote><p>This very clearly written paper describes the Google G Suite team’s search for a meaningful availability metric: one that accurately reflected what their end users experienced, and that could be used by engineers to pinpoint issues and guide improvements.</p></blockquote>
<p><small>Hauer et al. — NSDI’20 (original paper)</small></p>
<p><small>Adrian Colyer — The Morning Paper (summary)</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.blameless.com/our-top-5-on-call-practices/" target="_blank">Our Top 5 On-Call Practices &#8211; Blameless: Better Reliability Through SRE</a></div>
<div class="sreweekly-description">
<p>Their top 5 are:</p>
<ul>
<li>Use Meaningful Severity Levels</li>
<li>Create Detailed Runbooks</li>
<li>Load Balance Through Qualitative Metrics</li>
<li>Get Ahead of Incidents</li>
<li>Cultivate a Culture of On-Call Empathy</li>
</ul>
<p><small>Emily Arnott — Blameless</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.fb.com/production-engineering/ntp-service/" target="_blank">NTP: Building a more accurate time service at Facebook scale</a></div>
<div class="sreweekly-description">
<p>Synchronizing clocks can be critical in an HA system, and Facebook went to great lengths to ensure clock accuracy.</p>
<p><small>Zoe Talamantes and Oleg Obleukhov — Facebook</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://launchdarkly.com/blog/the-fallacy-of-move-fast-and-break-things/" target="_blank">The Fallacy of Move Fast and Break Things</a></div>
<div class="sreweekly-description">
<p>You might end up just breaking things.</p>
<p><small>Dawn Parzych — LaunchDarkly</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.linkedin.com/blog/2020/introducing-insearch" target="_blank">InSearch: LinkedIn’s new message search platform</a></div>
<div class="sreweekly-description">
<p>LinkedIn&#8217;s message search system takes advantage of the fact that relatively few users actually search their message. It only builds a search index the first time a user performs a search.</p>
<p><small> Suruchi Shah and Hari Shankar — LinkedIn</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.bungie.net/en/News/Article/48723" target="_blank">Destiny 2 Outage and Rollback</a></div>
<div class="sreweekly-description">
<p>This followup post from Bungie covers two related incidents in February that caused loss of user data.</p>
<p><small>Bungie</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.infoq.com/news/2020/03/engineers-incident-management/" target="_blank">Involving Engineers in Incident Management: QCon London Q&amp;A </a></div>
<div class="sreweekly-description">
<p>An interview about how one company got their developers to join the on-call rotation. It covers how they trained them to help them build confidence and what benefits they got by joining.</p>
<p><small>Ben Linders — InfoQ</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://metastatuspage.com/incidents/2pl8snrgv60x">Statuspage.io</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">The text of this incident originally mentioned Heroku, and it lines up with the Heroku outage below.</li>
<li class="sreweekly-outage">They also had this <a href="https://metastatuspage.com/incidents/ql2tpmwlbd31">unrelated outage</a>.</li>
</ul>
</li>
<li><a href="https://status.heroku.com/incidents/1974">Heroku</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Heroku suffered two short bouts of 85% request failure to applications hosted on their platform.Separately, they recently posted a couple of followup reports for previous incidents:
<ul>
<li><a href="https://status.heroku.com/incidents/1961">Incident #1961</a>: logging outage</li>
<li><a href="https://status.heroku.com/incidents/1968">Incident #1968</a>: EU application errors</li>
</ul>
</li>
</ul>
</li>
<li><a href="https://status.zoom.us/incidents/xgbq4dghxc1h">Zoom</a></li>
<li><a href="https://status.macstadium.com/incidents/l464rrkdg4yn">MacStadium</a></li>
<li><a href="https://popculture.com/streaming/2020/03/20/coronavirus-hulu-down-subscriber-reactions/">Hulu</a></li>
<li><a href="https://www.republicworld.com/technology-news/apps/is-bumble-down-right-now.html">Bumble</a></li>
<li><a href="https://mspoweruser.com/microsoft-cloud-outages-extends-to-office-365-with-some-services-inaccessible/">Microsoft Teams and Office 365</a></li>
<li><a href="https://discord.statuspage.io/incidents/62gt9cgjwdgf">Discord</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">Discord posted this gem of a followup analysis just a few days after their outage last week.</li>
</ul>
</li>
<li><a href="https://status.gotomeeting.com/incidents/kqrc9yd3zhrz">GoToMeeting</a></li>
<li><a href="https://9to5google.com/2020/03/18/nest-outage-march-2020/">Google Nest</a></li>
<li><a href="https://twitter.com/DoorDash_Help/status/1241041482145914880">DoorDash</a></li>
</ul>
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