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vm:proxmox:ceph:db:usage [2023/05/31 09:29] niziak created |
vm:proxmox:ceph:db:usage [2024/01/18 16:01] (current) niziak |
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<code bash> | <code bash> | ||
ceph daemon osd.6 bluefs stats | ceph daemon osd.6 bluefs stats | ||
+ | ceph tell osd.\* bluefs stats | ||
</code> | </code> | ||
Line 59: | Line 60: | ||
On 2nd machine, there is 2.9 GB placed onto DB and 502MB of DB data is placed on SLOW device ! | On 2nd machine, there is 2.9 GB placed onto DB and 502MB of DB data is placed on SLOW device ! | ||
+ | Compacting helps a bit: | ||
+ | <code bash> | ||
+ | ceph tell osd.<osdid> compact | ||
+ | # or for all osds | ||
+ | ceph tell osd.\* compact | ||
+ | </code> | ||
+ | |||
+ | <code> | ||
+ | { | ||
+ | "db_total_bytes": 4294959104, | ||
+ | "db_used_bytes": 2881486848 | ||
+ | } | ||
+ | |||
+ | Usage matrix: | ||
+ | DEV/LEV WAL DB SLOW * * REAL FILES | ||
+ | LOG 0 B 180 GiB 15 GiB 0 B 0 B 3.7 MiB 1 | ||
+ | WAL 0 B 90 MiB 24 MiB 0 B 0 B 109 MiB 9 | ||
+ | DB 0 B 2.6 GiB 319 MiB 0 B 0 B 2.9 GiB 55 | ||
+ | SLOW 0 B 0 B 0 B 0 B 0 B 0 B 0 | ||
+ | TOTALS 0 B 183 GiB 15 GiB 0 B 0 B 0 B 65 | ||
+ | </code> | ||
+ | |||
+ | <code bash> | ||
+ | ceph osd set noout | ||
+ | systemctl stop ceph.osd.target | ||
+ | ceph-bluestore-tool fsck --path /var/lib/ceph/osd/ceph-6 | ||
+ | </code> |