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Why we use our own hardware
Why we use our own hardware and what the tradeoffs and costs look like
This means we can plan our hardware purchases ahead of time and don’t need the fast dynamic scaling that cloud provides. Given the large retrieval time and extra overhead per-object, you’d probably want to store small incremental backups in regular S3, then when you’ve gathered enough, build a biggish object to push down to Glacier. Cons: Implementation cost of converting existing backup system that assumes local POSIX files to S3 style object API is uncertain and possibly significant.
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