meta data for this page
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revision | |||
vm:proxmox:ceph:performance [2024/05/17 17:33] – niziak | vm:proxmox:ceph:performance [2024/05/19 08:39] (current) – niziak | ||
---|---|---|---|
Line 24: | Line 24: | ||
* primary PG - original/ | * primary PG - original/ | ||
* use relatively more PG than for big cluster - better balance, but handling PGs consumes resources (RAM) | * use relatively more PG than for big cluster - better balance, but handling PGs consumes resources (RAM) | ||
+ | * i.e. for 7 OSD x 2TB PG autoscaler recommends 256 PG. After changing to 384 IOops drastivally increases and latency drops. | ||
+ | Setting to 512 PG wasn't possible because limit of 250PG/OSD. | ||
=== balancer === | === balancer === |