How Facebook launched ‘Look Back’ videos without breaking Facebook

~tudo isso e muito significativo a tecnologia que traz bastante conhecimento.


Every now and then, it’s good to be reminded how something so mundane as a new Facebook (s fb) feature can actually be a daunting technological task or a noteworthy achievement. The one-minute Look Back videos the company let users build as part of its 10th anniversary festivities appear to be such a case, according to a Thursday morning blog post.

In less than a month, the authors explained, Facebook had to assemble the infrastructure to handle what it initially assumed would be 25 petabytes worth of storage and 187 gigabits per second of peak bandwidth. However, getting enough storage and network capacity wasn’t even the hardest part. The biggest challenge might actually have been monitoring power consumption to ensure that rendering hundreds of millions of relatively large video files and having an estimated 25 million people sharing them on the first day alone wouldn’t suck too much of…

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