performance - How most popular media rich websites implement their media library? -

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i'm wondering how popular media rich websites implement media library. store media files in database? kind of database use? employ other mechanism boost performance?

thanks response.

you asking difficult question answer.

i recommend introductory read check out youtube architecture on high scalability. youtube real-life example of how media-centric website works.

surprising may be, serving actual media files not bottleneck. harder part getting media meta-data synched, generating thumbnails, etc. media files can hosted cluster, or cdn in case of extremely popular video.

read link more in-depth info.


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