Facebook Engineering Team Takes A Look Back At The Work Behind A Look Back

From a user standpoint, the A Look Back videos Facebook created to mark its 10th anniversary provided a fun look back at memories on the social network. But from an engineering standpoint, they provided challenges on many levels, and Alexey Spiridonov and Krish Bandaru wrote a post on the Facebook Engineering blog detailing how those challenges were overcome.

ALookBacknetworkEgress650From a user standpoint, the A Look Back videos Facebook created to mark its 10th anniversary provided a fun look back at memories on the social network. But from an engineering standpoint, they provided challenges on many levels, and Alexey Spiridonov and Krish Bandaru wrote a post on the Facebook Engineering blog detailing how those challenges were overcome.
According to Spiridonov and Bandaru, the decision to move forward with A Look Back was not finalized until early January, giving the team 25 days to lay the groundwork for the videos.

In addition, the large number of Facebook users who would likely be attempting to view their videos simultaneously, especially in the first days of their existence, provided bandwidth and storage conundrums.

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