If you go though the older presentation. It breaks down at the disk I/O level. N... | Hacker News

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		lyime on April 6, 2009 \| parent \| context \| favorite \| on: Facebook's photo storage rewrite If you go though the older presentation. It breaks down at the disk I/O level. Not only that, it seems like one of the main reason was cost. CDNs can get expensive, especially when are the biggest Photo service on the internet.

thwarted on April 6, 2009 | [–]

I wasn't really including CDN in "storage system", even though it is listed in those graphics.

chris on April 6, 2009 | [–]

More specifically, it broke down at metadata operations.

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