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<header class="entry-header cf">
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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-116/">SRE Weekly Issue #116</a></h1>
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<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-116/">April 1, 2018</a>
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<a href="https://sreweekly.com/sre-weekly-issue-116/" title="Permalink to SRE Weekly Issue #116" class="email_only">View on sreweekly.com</a>
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<h2 style="text-align: center; font-size: 55%; color: #b0b0b0;">SPONSOR MESSAGE</h2>
|
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<p>How can breaking something also fix it? Controlled chaos engineering can help your SRE team(s) better understand your systems and ultimately improve site reliability. See how VictorOps is incorporating “Game Days” to bolster their systems and their SRE culture: <a href="http://try.victorops.com/SREWeekly/GameDays">http://try.victorops.com/SREWeekly/GameDays</a></p>
|
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</div>
|
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<h2>Articles</h2>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://www.bbc.co.uk/blogs/internet/entries/a37b0470-47d4-3991-82bb-a7d5b8803771" target="_blank">BBC Online Outage on Saturday 19th July 2014</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>The BBC suffered two simultaneous major outages that broke their online streaming product and forced their website into a limited-functioning mode. This post-incident followup explains what happened and how they dealt with it.</p>
|
||
<p><small>Richard Cooper — BBC</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://cloudonaut.io/burst-credits-of-t2-ec2-instances-need-monitoring/" target="_blank">Burst credits of t2 EC2 instances need monitoring</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Bursting is a hidden reliability risk that has bitten me hard in the past. Click through for an explanation of the risk and how to mitigate it.</p>
|
||
<p><small>Michael Wittig — Cloudonaut</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://honeycomb.io/blog/2018/03/observability-a-manifesto/" target="_blank">Observability: A Manifesto</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>This post has the most concise definition I’ve seen yet for observability, along with a quiz that will tell you whether you’re Doing It Right<sup>TM</sup>.</p>
|
||
<blockquote><p>the power to ask new questions of your system, without having to ship new code or gather new data in order to ask those new questions</p></blockquote>
|
||
<p><small>Charity Majors — Honeycomb</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://rachelbythebay.com/w/2018/03/20/sshclock/" target="_blank">Four interacting decisions break ssh access</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>This debugging story is an entertaining read, and it’s also got some useful stuff to watch out for in your systems.</p>
|
||
<blockquote><p>Tick tick tick. Time is hard.</p></blockquote>
|
||
<p><small>Rachel Kroll</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://github.com/ahupowerdns/hello-dns" target="_blank">GitHub – ahupowerdns/hello-dns: Hello and welcome to DNS!</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Solid knowledge of how DNS works is critical for SREs. This repo contains an introduction to DNS written to be far more approachable than the (many!) DNS RFCs. It’s a work in progress but there’s a lot of good content already.</p>
|
||
<p><small>Bert Hubert and others</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://engineering.linkedin.com/blog/2018/03/the-makeup-of-successful-geographically-distributed-sre-teams--p0" target="_blank">The Makeup of Successful Geographically-Distributed SRE Teams: Part 2 | LinkedIn Engineering</a></div>
|
||
<div class="sreweekly-description">
|
||
<blockquote><p>Within this post, we’ll discuss growth planning, the challenges associated with being part of a remote team, and some of the unexpected advantages geographically distributed SRE teams can offer.</p></blockquote>
|
||
<p><small>Akhil Ahuja — LinkedIn</small></p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://twitter.com/mipsytipsy/status/980266049445613568" target="_blank">Twitter: mipsytipsy about alerting on metrics</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Her thread starts here and continues being awesome:</p>
|
||
<blockquote><p>Real talk, you should never have a paging alert on a system stats metric. Or a single host anything metric. (Or an aggregate host metric, or an aggregate divided by host count, or …)</p></blockquote>
|
||
<p><small>Charity Majors</small></p>
|
||
</div>
|
||
</div>
|
||
<h2>Outages</h2>
|
||
<ul class="sreweekly-outages">
|
||
<li><a href="https://www.reuters.com/article/us-telegram-app-outages/messaging-app-telegram-says-server-power-snag-affecting-service-in-emea-idUSKBN1H51G6">Telegram (messaging app)</a></li>
|
||
<li><a href="https://www.silicon.co.uk/networks/double-fibre-rupture-online-services-uk-230887">Iomart (datacenter provider)</a>
|
||
<ul class="sreweekly-outage">
|
||
<li class="sreweekly-outage">
|
||
<blockquote><p>Two separate network breaks cut off access to data centres run by cloud firm Iomart, affecting a wide range of customers</p></blockquote>
|
||
</li>
|
||
</ul>
|
||
</li>
|
||
<li><a href="https://www.macrumors.com/2018/03/27/app-store-outage/">iTunes App Store</a></li>
|
||
<li><a href="http://www.wltx.com/article/news/nation-now/broker-td-ameritrade-suffers-system-wide-outage/465-d58d5f6c-bdeb-43a3-95fd-24d589890d14">TD Ameritrade</a></li>
|
||
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