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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-246/">SRE Weekly Issue #246</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-246/">November 29, 2020</a>
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<a href="https://sreweekly.com/sre-weekly-issue-246/" title="Permalink to SRE Weekly Issue #246" 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, StackHawk:</h2>
<p>Looking to get started with application security testing in CI/CD? Here is a broad overview of steps you can take.<br />
<a href="https://sthwk.com/how-to-app-sec-in-ci">https://sthwk.com/how-to-app-sec-in-ci</a></p>
</div>
<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.algolia.com/blog/one-year-load-balancing/" target="_blank">One Year of Load Balancing</a></div>
<div class="sreweekly-description">
<p>DNS-based load balancing is a nice simple solution, but unfortunately it doesn&#8217;t work well in certain circumstances. Read to find out how Algolia evolved their load balancing system in response.</p>
<p><small>Paul Berthaux — Algolia</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://medium.com/last9/your-percentiles-are-incorrect-p99-of-the-times-11436c97d524" target="_blank">Your Percentiles are incorrect P99 of the times.</a></div>
<div class="sreweekly-description">
<p>We use percentiles all the time, so it&#8217;s really important to actually understand what they say (and what they don&#8217;t).</p>
<p><small>Piyush Verma — Last9</small></p>
<p><small><em>Thanks to An anonymous reader for this one.</em></small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.effx.com/my-journey-to-sre-into-2020-and-beyond/" target="_blank">My journey to SRE into 2020 and beyond</a></div>
<div class="sreweekly-description">
<p>The author started out as an embedded systems developer and moved into SRE. Here&#8217;s what they learned.</p>
<p><small>Eric Uriostigue — effx</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://searchitoperations.techtarget.com/tip/How-to-apologize-for-server-outages-and-keep-users-happy" target="_blank">How to apologize for server outages and keep users happy</a></div>
<div class="sreweekly-description">
<p>Some great tips here. It&#8217;s hard to sound sincere in a public incident report, especially if you post a lot of them.</p>
<p><small>Adam Fowler</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://engineering.grab.com/democratizing-fare-storage-at-scale-using-event-sourcing" target="_blank">Democratizing Fare Storage at scale using Event Sourcing</a></div>
<div class="sreweekly-description">
<blockquote><p>In this blog, we discuss how we built Fare Storage, Grab’s single source of truth fare data store, and how we overcame the challenges to make it more reliable and scalable to support our expanding features.</p></blockquote>
<p><small>Sourabh Suman — Grab</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://netflixtechblog.com/simple-streaming-telemetry-27447416e68f" target="_blank">Simple streaming telemetry</a></div>
<div class="sreweekly-description">
<p>This article covers Netflix&#8217;s gnmi-gateway, their open source tool for collecting metrics from network devices in a highly available and fault-tolerant manner.</p>
<p><small>Colin McIntosh and Michael Costello — Netflix</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.gremlin.com//blog/a-guide-to-the-reliability-talks-at-aws-re-invent/" target="_blank">A guide to the reliability talks at AWS re:Invent</a></div>
<div class="sreweekly-description">
<p>This year, re:Invent is online only, so you still have a chance to attend if you&#8217;re interested.</p>
<p><small>Ana M Medina — Gremlin</small></p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.cloudflare.com/a-byzantine-failure-in-the-real-world/" target="_blank">A Byzantine failure in the real world</a></div>
<div class="sreweekly-description">
<p>Cloudflare&#8217;s API service was impaired early this month. This is their incident report that describes a grey failure in a switch and downstream impact to etcd and their database system.</p>
<p><small>Tom Lianza and Chris Snook — Cloudflare</small></p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="https://status.slack.com//2020-11/9b7149becb294cf5">Slack</a></li>
<li><a href="https://status.giphy.com/incidents/n4w9ctdjg2ys">Giphy</a></li>
<li><a href="https://www.clashmusic.com/news/spotify-is-down-a-few-tweaks-are-required">Spotify</a></li>
<li><a href="https://www.express.co.uk/life-style/science-technology/1364015/Currys-PC-World-down-error-message-500-Black-Friday">Currys PC World</a></li>
<li><a href="https://washingtoncitypaper.com/article/502911/doordash-offers-little-explanation-after-two-weekend-crashes/">DoorDash</a></li>
<li><a href="https://www.express.co.uk/life-style/science-technology/1365624/Amazon-Prime-Video-down-6085-error-message-server-status-latest">Amazon Prime Video</a></li>
<li><a href="https://aws.amazon.com/message/11201/">AWS</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">This link points to Amazon&#8217;s detailed report on the outage.</li>
</ul>
</li>
</ul>
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