Fault tolerance, anomaly detection, and anticipation patterns by Jon Allspaw at QConLondon 2012

Jon Allspaw (@allspaw) from Etsy talked about the role that Anomaly Detection, Fault Tolerance and Anticipation play in producing highly scalable software systems (Fault tolerance, anomaly detection, and anticipation patterns, slides [PDF, 5MB]).

As head of technical operations at Etsy, whose web traffic is pretty substantial, Jon focused on resilience in software systems: what it is, and how to achieve it.

QConLondon 2012 blog posts
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Five Interview Questions for Hiring DevOps Staff

Over the past seven or eight years I have developed a list of five key interview questions for recruiting staff to software development teams. TheseĀ five questions have come to stand out as being highly indicative of the candidate’s aptitude for approaching software in [what is now called] a “DevOps” manner, namely, seeing software as the running, evolving system in the Production environment.

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Site Reliabililty at Scale – Discussion Roundup

There have been several useful discussion threads on the LinkedInĀ Site Reliability at Scale group (http://www.linkedin.com/groups?home=&gid=4200099) recently:

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By 2015, HTTPS Will Be Everywhere

Public WiFi connections are often unsecured, leaving their connections open to being hijacked or “sniffed” by malicious people. To protect users from data and privacy loss due to insecure and untrusted connections, web sites and applications are increasingly being run entirely over secure connections (HTTPS).

My prediction is that by 2015, it will be bad practice to access web sites via HTTP, and users will increasingly demand HTTPS. This has interesting implications for hardware manufacturers and software development teams alike.

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ThoughtWorks AWS Training in London

Just back from the ThoughtWorks AWS training in London at Wallace Space. Great day: good pace, with some excellent discussions and lots of learning.

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