noatime для XFS вроде бы не влияет на производительность?
Из XFS FAQ
Q: Is using noatime or/and nodiratime at mount time giving any performance benefits in xfs (or not using them performance decrease)?
The default atime behaviour is relatime, which has almost no overhead compared to noatime but still maintains sane atime values. All Linux filesystems use this as the default now (since around 2.6.30), but XFS has used relatime-like behaviour since 2006, so no-one should really need to ever use noatime on XFS for performance reasons.
Also, noatime implies nodiratime, so there is never a need to specify nodiratime when noatime is also specified.
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Из XFS FAQ
Q: Is using noatime or/and nodiratime at mount time giving any performance benefits in xfs (or not using them performance decrease)?
The default atime behaviour is relatime, which has almost no overhead compared to noatime but still maintains sane atime values. All Linux filesystems use this as the default now (since around 2.6.30), but XFS has used relatime-like behaviour since 2006, so no-one should really need to ever use noatime on XFS for performance reasons.
Also, noatime implies nodiratime, so there is never a need to specify nodiratime when noatime is also specified.