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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-34/">SRE Weekly Issue #34</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-34/">August 7, 2016</a>
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<a href="https://sreweekly.com/sre-weekly-issue-34/" title="Permalink to SRE Weekly Issue #34" 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>
<p>What is Modern Incident Management? Download the Incident Management Buyer’s Guide to learn all about it, and the value it provides. Get your copy here: <a href="http://try.victorops.com/l/44432/2016-08-04/dwp8lc">http://try.victorops.com/l/44432/2016-08-04/dwp8lc</a></p>
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<h2>Articles</h2>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://techblog.netflix.com/2016/08/introducing-winston-event-driven.html" target="_blank">Netflix: Introducing Winston &#8211; Event driven Diagnostic and Remediation Platform</a></div>
<div class="sreweekly-description">
<p>Winston is Netflix&#8217;s tool for runbook automation, based on the open source <a href="https://www.stackstorm.com">StackStorm</a>. Winston helps reduce pager burden by filtering out false-positive alerts, collecting information for human responders, and remediating some issues automatically.</p>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://www.kitchensoap.com/2014/03/13/high-tempo-high-consequence/" target="_blank">High Tempo, High Consequence</a></div>
<div class="sreweekly-description">
<p>Is it valid for those working on non-life-critical systems to try to draw on lessons learned in safety-critical fields like surgery and air traffic control? John Allspaw, citing Dr. Richard Cook, answers with an emphatic <i>yes</i>. </p>
</div>
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<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.serverdensity.com/how-an-expired-credit-card-can-shut-down-your-entire-business/" target="_blank">Expired credit cards can shut down businesses</a></div>
<div class="sreweekly-description">
<p>The best HA infrastructure design in the world won&#8217;t save you when your credit card on file expires.</p>
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</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://eng.uber.com/mysql-migration/" target="_blank">Why Uber Engineering Switched from Postgres to MySQL</a></div>
<div class="sreweekly-description">
<p>There&#8217;s a huge amount of detail on both PostgreSQL and MySQL in this article, including some sneaky edge-case pitfalls that prompted Uber to look for a new database.</p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://feedproxy.google.com/~r/HighScalability/~3/1-yg4hGo4Ow/how-to-setup-a-highly-available-multi-az-cassandra-cluster-o.html" target="_blank">How to Setup a Highly Available Multi-AZ Cassandra Cluster on AWS EC2</a></div>
<div class="sreweekly-description">
<p>This article goes into a good amount of depth on setting up a Caassandra cluster to survive a full AZ outage.</p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://www.cortezjournal.com/article/20160802/AP/308029754/Officials-try-to-explain-911-outage-that-should-'never-happen'" target="_blank">Officials try to explain 911 outage that should &#8216;never happen&#8217;</a></div>
<div class="sreweekly-description">
<p>When a Maryland, US county&#8217;s emergency services went offline for two hours, 100 calls were missed, possibly contributing to two deaths. In the vein of last week&#8217;s theme of complex failures: </p>
<blockquote><p>&#8220;This is really complex, and a lot of dominoes fell in a way that people just didn&#8217;t expect,&#8221; said Marc Elrich, chairman of the Public Safety Committee.</p></blockquote>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://techblog.netflix.com/2016/08/netflix-billing-migration-to-aws-part.html" target="_blank">Netflix Billing Migration to AWS &#8211; Part III</a></div>
<div class="sreweekly-description">
<p>Here&#8217;s the third (final?) installment in this series. This one has some fascinating details on a topic near and dear to my heart: live migration of a database. Their use of DRBD and synchronous replication is especially intriguing.</p>
</div>
</div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://pages.catchpoint.com/DEVOPS-SRE-AMA-Registration.html" target="_blank">AMA DevOps &amp; SRE</a></div>
<div class="sreweekly-description">
<p>Ooh, this is gonna be fun. Catchpoint and O&#8217;Reilly are hosting an AMA (Ask Me Anything) with DevOps and SRE folks, including Liz Fong-Jones and Charity Majors, both of whose articles have been featured here previously. The questions posted so far look pretty great.</p>
</div>
</div>
<h2>Outages</h2>
<ul class="sreweekly-outages">
<li><a href="http://www.wired.co.uk/article/ee-roaming-network-down">EE (UK telecom)</a>
<ul class="sreweekly-outage">
<li class="sreweekly-outage">
<p>EE users saw a 2-day outage when roaming.</p>
</ul>
<li><a href="http://www.itnews.com.au/news/vocus-network-outage-downs-internet-voice-services-432164">Vocus (AU telecom)</a>
<li><a href="http://www.express.co.uk/entertainment/gaming/696455/PSN-down-PlayStation-Network-PS4-Sony-offline">PlayStation Network</a>
<li><a href="http://www.forbes.com/sites/erikkain/2016/08/02/overwatch-servers-still-down-as-blizzard-suffers-ongoing-ddos-attack/">Battle.net</a>
<li><a href="http://www.theregister.co.uk/2016/08/02/123_reg_goes_titsup_again/">123-Reg (UK web host)</a>
<li><a href="http://timesofindia.indiatimes.com/business/india-business/Outage-in-Airtels-broadband-network/articleshow/53495432.cms">Airtel</a>
<li><a href="http://www.lifehacker.com.au/2016/08/commonwealth-bank-services-are-down-around-the-country/">Commonwealth Bank</a>
<li><a href="https://forums.online-go.com/t/please-excuse-our-mess/8614">OGS (Online Go Server)</a>
<li><a href="http://mybroadband.co.za/news/wireless/174890-neotel-users-suffering-with-slow-data-speeds-network-downtime.html">Neotel</a>
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