Try this instead, should be significantly faster at just displaying snapshots without the sizing info (if that works for your use case):
# zfs list -t snapshot -o name -s name Thanks, — Matt Garber On Thu, Nov 14, 2019 at 9:34 AM mike tancsa <m...@sentex.net> wrote: > We have a backup server that has a fair amount of zfs snapshots-- > currently at 30,000+... To list them all takes about 20 seconds after > caching, but can take upto a minute after boot up, or if the metadata > has been evicted from ARC. Are there any tunings that can be done to to > speed up the listing or at least make sure the metadata gets cached as > best as possible ? We have a nagios check 4 times a day to make sure > backups are running and fresh that sometimes times out. We will > probably end up close to 50 to 60k worth of snapshots soon. > > The 20 seconds to list, seems to be all CPU bound. Looking at gstat zfs > list -t snapshot is not hitting the disk. So not sure if anything can > be done tuning wise ? > > ---Mike > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org" > _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
