XFS: the filesystem of the future?

“XFS is often seen as the filesystem for people with massive
amounts of data. It serves that role well, Dave said, and it has
traditionally performed well for a lot of workloads. Where things
have tended to fall down is in the [benchmark plot] writing of
metadata; support for workloads that generate a lot of metadata
writes has been a longstanding weak point for the filesystem. In
short, metadata writes were slow, and did not really scale past
even a single CPU.

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