Originally posted on SocialSafe Blog:
Unbeknownst to the hundreds of millions of Instagram users, the infrastructure that holds all of their photographic creations has quietly been dismantled, relocated and rebuilt. Impressive stuff, when you consider the quantities of data involved – the service now stores in excess of 20 billion digital photos.
Since 2010 Instagram had been using Amazon’s cloud computing service, but the number of virtual machines required to run Instagram on Amazon was getting in “the thousands”. Historically, when Facebook had acquired other, smaller properties, the process involved shutting down the service in order to incorporate it into the world of Facebook. However, according to Facebook engineer George Cabrera, in the case of Instagram “the service couldn’t take any disruption”.
So in what Facebook called ‘Instagration’, the team in essence had to carry out multiple organ transplants while both patients were still conscious. Or as Mike Kreiger, founder of Instagram, explained:
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