Actions
Bug #41756
openmgr/pg_autoscaler: Recommends wrong PG count
Status:
New
Priority:
Normal
Assignee:
-
Category:
pg_autoscaler module
Target version:
-
% Done:
0%
Source:
Community (user)
Tags:
Backport:
nautilus
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
On a 30 OSD EC Pool (8+2) the auto-scale recommends a PG count of 2048 instead of a sane 256-512 amount
ceph osd pool autoscale-status
POOL SIZE TARGET SIZE RATE RAW CAPACITY RATIO TARGET RATIO BIAS PG_NUM NEW PG_NUM AUTOSCALE
ecpool 104.6T 1.25 272.8T 0.4794 0.9000 1.0 512 2048 warn
device_health_metrics 876.4k 3.0 92124M 0.0000 1.0 1 4 warn
ecmeta 3461k 3.0 92124M 0.0001 1.0 100 4 warn
272.87100 root ec
-5 90.95700 host sn-s01
3 hdd 9.09599 osd.3 up 1.00000 1.00000
4 hdd 9.09599 osd.4 up 1.00000 1.00000
5 hdd 9.09599 osd.5 up 1.00000 1.00000
6 hdd 9.09599 osd.6 up 1.00000 1.00000
7 hdd 9.09599 osd.7 up 1.00000 1.00000
8 hdd 9.09599 osd.8 up 1.00000 1.00000
9 hdd 9.09599 osd.9 up 1.00000 1.00000
10 hdd 9.09599 osd.10 up 1.00000 1.00000
11 hdd 9.09599 osd.11 up 1.00000 1.00000
12 hdd 9.09599 osd.12 up 1.00000 1.00000
-9 90.95700 host sn-s02
13 hdd 9.09599 osd.13 up 1.00000 1.00000
14 hdd 9.09599 osd.14 up 1.00000 1.00000
15 hdd 9.09599 osd.15 up 1.00000 1.00000
16 hdd 9.09599 osd.16 up 1.00000 1.00000
17 hdd 9.09599 osd.17 up 1.00000 1.00000
18 hdd 9.09599 osd.18 up 1.00000 1.00000
19 hdd 9.09599 osd.19 up 1.00000 1.00000
20 hdd 9.09599 osd.20 up 1.00000 1.00000
21 hdd 9.09599 osd.21 up 1.00000 1.00000
22 hdd 9.09599 osd.22 up 1.00000 1.00000
-17 90.95700 host sn-s03
29 hdd 9.09499 osd.29 up 1.00000 1.00000
30 hdd 9.09499 osd.30 up 1.00000 1.00000
31 hdd 9.09499 osd.31 up 1.00000 1.00000
32 hdd 9.09499 osd.32 up 1.00000 1.00000
33 hdd 9.09499 osd.33 up 1.00000 1.00000
34 hdd 9.09499 osd.34 up 1.00000 1.00000
35 hdd 9.09499 osd.35 up 1.00000 1.00000
36 hdd 9.09499 osd.36 up 1.00000 1.00000
37 hdd 9.09499 osd.37 up 1.00000 1.00000
38 hdd 9.09499 osd.38 up 1.00000 1.00000
Updated by Sebastian Wagner over 4 years ago
- Category changed from ceph-mgr to pg_autoscaler module
Updated by Sebastian Wagner over 4 years ago
- Subject changed from mgr/autoscale to mgr/pg_autoscaler: Recommends wrong PG count
Updated by Brian Koebbe about 4 years ago
Same issue here:
See (duplicate issue?) #41183#note-2
Actions