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<article id="post-22" class="single-view post-22 post type-post status-publish format-standard hentry category-general" itemprop="blogPost" itemscope itemtype="http://schema.org/BlogPosting">
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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-1/">SRE Weekly Issue #1</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-1/">December 19, 2015</a>
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<h2>Articles</h2>
<div class="pocket-post">
<div class="pocket-title"><a href="https://www.linkedin.com/pulse/20140414212456-12181762-human-error-no-bad-design" target="_blank">Human Error? No, Bad Design</a></div>
<div class="pocket-description">An excellent discussion of the need to look at human error in a broader context.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://www.xaprb.com/blog/2014/11/29/code-freezes-dont-prevent-outages/" target="_blank">Why Deployment Freezes Don&#8217;t Prevent Outages</a></div>
<div class="pocket-description">A cogent argument that code freezes increase risk rather than reducing it.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="https://virtualizationreview.com/articles/2015/12/02/for-continuous-processing-failure-is-not-an-option.aspx" target="_blank">Continuous Processing: Failure Is Not an Option</a></div>
<div class="pocket-description">An interesting outline of a hardware platform with duplicate everything (cpu, RAM, etc) claiming 7+ nines of availability. I&#8217;m not sure I&#8217;m convinced of its utility in all but a few niche areas, but it&#8217;s a neat concept.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://techblog.netflix.com/2015/12/caching-content-for-holiday-streaming.html?" target="_blank">Caching Content for Holiday Streaming</a></div>
<div class="pocket-description">A short discussion of how Netflix prepares for the holidays.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://conn-check.org/" target="_blank">conn-check &#8211; the networked services verification util!</a></div>
<div class="pocket-description">A new tool that checks connectivity though real requests. Is it enough to monitor internal services from a central monitoring machine? What if service A is unreachable only to hosts in cluster B, but Nagios can see it just fine? I&#8217;ve seen that before and it made me wonder if I need to monitor everything from everywhere.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://engineering.instagram.com/posts/548723638608102/" target="_blank">Instagration Pt. 2: Scaling our infrastructure to multiple data centers</a></div>
<div class="pocket-description">Instagram posted an account of growing to double the traffic and multiple regions.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="https://www.rallydev.com/blog/engineering/post-event-retrospective-part-i" target="_blank">Post Event Retrospective – Part I</a></div>
<div class="pocket-description">
<p>An example of a retrospective analysis process. I especially like this quote:</p>
<blockquote><p>We also ask what led a person to believe that what they did was the right choice. Rarely does someone intend to do the wrong thing.</p></blockquote>
</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://security.stackexchange.com/questions/106855/developing-a-secure-hit-by-a-bus-plan" target="_blank">Developing a secure hit by a bus plan</a></div>
<div class="pocket-description">What happens when an operator that knows all of the secrets is suddenly unavailable? How do you make their secrets available without compromising security?</div>
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<h2>Outages</h2>
<p>Black Friday, Cyber Monday, and the weekend in between is a critical time for sites to remain available. This year, some notable companies had a hard time.</p>
<div class="pocket-post">
<div class="pocket-title"><a href="http://slackhq.com/post/100127829750/slack-and-servers" target="_blank">Slack</a></div>
<div class="pocket-description">An older but nice postmortem analysis posted by Slack in October.</div>
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<div class="pocket-post">
<div class="pocket-title"><a href="http://www.product-reviews.net/2015/11/28/psn-server-status-shows-all-services-down-for-nov-28/" target="_blank">PlayStation network</a></div>
<div class="pocket-description">PSN was down over black Friday weekend.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://www.franchiseherald.com/articles/45415/20151128/neiman-marcus-website-suffers-outage-on-black-friday-affects-the-company-during-holiday-shopping.htm" target="_blank">Neiman Marcus</a></div>
<div class="pocket-description">Nieman Marcus lost out on much of Black Friday.</div>
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<div class="pocket-post">
<div class="pocket-title"><a href="http://venturebeat.com/2015/11/27/newegg-and-neiman-marcus-websites-go-down-on-black-friday/" target="_blank">Newegg</a></div>
<div class="pocket-description">Newegg also had issues on Black Friday.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://www.express.co.uk/life-style/science-technology/622490/Argos-Website-Outages-Down-Black-Friday-2015-UK-Deal" target="_blank">Argos</a></div>
<div class="pocket-description">Argos&#8217;s Black Friday Deals page was down.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://announcements.ebay.com/2015/11/site-issue-resolved/" target="_blank"> EBay</a></div>
<div class="pocket-description">EBay suffered an outage the day before thanksgiving.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://paymentweek.com/2015-12-1-paypal-outage-during-cyber-monday-may-cost-merchants-millions-8980/" target="_blank">PayPal</a></div>
<div class="pocket-description">PayPal suffered a major outage during cyber weekend.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="https://status.cloud.google.com/incident/compute/15064#5695159920492544" target="_blank">Google Compute Engine</a></div>
<div class="pocket-description">Google Compute Engine saw issues with some if its transit traffic stemming from a new BGP peer accidentally announcing far more routes than they should have. They posted a nicely detailed analysis.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://techcrunch.com/2015/11/30/target-com-latest-to-crash-from-increased-online-traffic/" target="_blank">Target</a></div>
<div class="pocket-description">Target had downtime on Cyber Monday.</div>
</div>
<div class="pocket-post">
<div class="pocket-title"><a href="http://www.localsyr.com/news/time-warner-cable-suffers-outage-on-cyber-monday" target="_blank">Time Warner Cable</a></div>
<div class="pocket-description">Time Warner Cable customers were frustrated by &#8220;intermittent availability&#8221; (read: outages) on Cyber Monday, hampering their ability to get in on all the deals.</div>
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