Hi, Toby On 19 May 2021, at 15:24, Toby Darling <toby@xxxxxxxxxxxxxxxxx> wrote: > > In the last couple of weeks we've been getting BlueFS spillover warnings on multiple (>10) osds, eg > > BLUEFS_SPILLOVER BlueFS spillover detected on 1 OSD(s) > osd.327 spilled over 58 MiB metadata from 'db' device (30 GiB used of 66 GiB) to slow device > > I know this can be corrected with a 'ceph tell osd.$osd compact' or ignored with "bluestore_warn_on_bluefs_spillover=false", but my concern is that these warnings have only recently started. > > Could this be a sign of something nasty heading our way that I'm not aware of? Is there a performance penalty by just ignoring, rather than compacting? > > Many thanks for any pointers. It's just enough to upgrade to Nautilus at least 14.2.19, where Igor developed new bluestore levels policy (bluestore_volume_selection_policy) in value 'use_some_extra' - any BlueFS spillover should be mitigated! Cheers, k _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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