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SubjectRe: XFS mounted with 'discard' option - deleting fio test files slow
On Fri, Sep 08, 2017 at 04:21:52PM -0700, Hao Chen wrote:
> This is expected. To get a better performance of XFS on NVMe drive, it
> is advised not use use the realtime discard option.

Again, this will depend on your device. Intel in particular was the
example in my presentation for horrible performance of the NVMe
discard support - other vendors implement much better discard support,
so you'll see much better results.

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