Re: leftover: spilled over 128 KiB metadata after adding db device

[Reed Dier <reed.dier@xxxxxxxxxxx>]

Easiest way I know would be to use

$ ceph tell osd.X compact

This is what cures that whenever I have metadata spillover.

Reed

On Mar 2, 2020, at 3:32 AM, Stefan Priebe - Profihost AG <s.priebe@xxxxxxxxxxxx> wrote:

Hello,

i added a db device to my osds running nautilus. The DB data migratet
over some days from the hdd to ssd (db device).

But now it seems all are stuck at:
# ceph health detail
HEALTH_WARN BlueFS spillover detected on 8 OSD(s)
BLUEFS_SPILLOVER BlueFS spillover detected on 8 OSD(s)
    osd.0 spilled over 128 KiB metadata from 'db' device (12 GiB used
of 185 GiB) to slow device
    osd.1 spilled over 3.4 MiB metadata from 'db' device (12 GiB used
of 185 GiB) to slow device
    osd.2 spilled over 128 KiB metadata from 'db' device (12 GiB used
of 185 GiB) to slow device
    osd.3 spilled over 128 KiB metadata from 'db' device (12 GiB used
of 185 GiB) to slow device
    osd.4 spilled over 128 KiB metadata from 'db' device (12 GiB used
of 185 GiB) to slow device
    osd.5 spilled over 128 KiB metadata from 'db' device (12 GiB used
of 185 GiB) to slow device
    osd.6 spilled over 128 KiB metadata from 'db' device (12 GiB used
of 185 GiB) to slow device
    osd.7 spilled over 128 KiB metadata from 'db' device (12 GiB used
of 185 GiB) to slow device

any idea how to force ceph to move the last 128kb to the db device?

Greets,
Stefan
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