Date: Fri, 14 May 2021 09:34:30 +0100 From: Pete French <petefrench@ingresso.co.uk> To: stable@freebsd.org Subject: Does FreeBSD 13 disable the VEV cache in ZFS ? Message-ID: <E1lhTHC-000NAw-Oo@dilbert.ingresso.co.uk>
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Am just upgrading my machiens, and have noticed an oddity. This is on a machine runnign 12.2 # zfs-stats -D ------------------------------------------------------------------------ ZFS Subsystem Report Fri May 14 08:30:50 2021 ------------------------------------------------------------------------ VDEV Cache Summary: 88.31 m Hit Ratio: 31.20% 27.55 m Miss Ratio: 68.48% 60.47 m Delegations: 0.32% 284.97 k ------------------------------------------------------------------------ This is on a machine running 13.0 # zfs-stats -D ------------------------------------------------------------------------ ZFS Subsystem Report Fri May 14 08:32:18 2021 ------------------------------------------------------------------------ VDEV cache is disabled ------------------------------------------------------------------------ Same config on both. So, is it really disabled, or is zfs-stats getting this wrong for some reason ? I cant find any refernbce to this in the release notes or by googling. -pete.
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