Hi,
I had issue with the snaptrim after a hug amount of deleted data, it slows down the team
operations due to the snaptrim and snaptrim_wait pgs.
I've changed couple of things:
debug_ms = 0/0 #default 0/5
osd_snap_trim_priority = 1 # default 5
osd_pg_max_concurrent_snap_trims = 1 # default 2
But didn't help.
I've found this thread about buffered io and seems like it helped to them:
https://forum.proxmox.com/threads/ceph-storage-all-pgs-snaptrim-every-night…
I don't use swap on the OSD nodes, so I gave a try on 1 osd node and it caused
basically the complete node's pg-s are degraded. Is it normal? I hope it will not
rebalance the complete node because I don't have space for that. I changed it back but
still slowly decreasing, so not sure this settings is correct or not or this behavior is
good or not?
2021-05-14 12:18:11.447628 mon.2004 [WRN] Health check update: 3353/91976715 objects
misplaced (0.004%) (OBJECT_MISPLACED)
2021-05-14 12:18:11.447640 mon.2004 [WRN] Health check update: Degraded data redundancy:
33078466/91976715 objects degraded (35.964%), 254 pgs degraded, 253 pgs undersized
(PG_DEGRADED)
Istvan Szabo
Senior Infrastructure Engineer
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Agoda Services Co., Ltd.
e: istvan.szabo@agoda.com<mailto:istvan.szabo@agoda.com>
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