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Re:Ask HN: Which Linux filesystem “produce” less wear and te... by zzzcpan on Friday April 03, 2020 @08:25AM (#22768465)
You can just use the find command for tracking writes, for example:

  find / -type f -printf '%TY-%Tm-%Td %TT %p\n' | sort
(you probably want to add -mount in there too and use find per each mount point separately)
Re:Ask HN: Which Linux filesystem “produce” less wear and te... by tyingq on Friday April 03, 2020 @08:37AM (#22768542)
Auditd would show frequency, the process name and uid that did the write, and when, etc. Last modified time isn't always enough.