Most Online Videos Are 3-Day Wonders

The 10 hours of video uploaded every minute to YouTube could be a problem for Google’s infrastructure. Video files are fat and people don’t want to wait long once they press play, which means keeping them requires a trade-off between fast access and cheap storage. A range of companies are trying to address these sorts of storage problems through compression, caching and even Flash memory in the data center.

 But since you can’t cache everything, the recent study from Tubemogul, which shows that online videos get the most views in the first three days (with the peak demand occurring on Day Three), can help set caching policies. Dropping a video from the cache after 11 days would mean only half of the video’s viewers would be tormented with a slightly slower upload time.

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