Hi,
I have problem with data distribution.
Smallest disk usage 40% vs highest 82%.
All PGS: 6504.
Almost all data is in '.rgw.buckets' pool with pg_num 4800.
The best way to better data distribution is increese pg_num in this pool?
Is thre another way? ( eg crush tunables, or something like that ..)
Config: 9 hosts X 22 OSD = 198 OSDs
replica = 3
ceph -v
ceph version 0.67.5 (a60ac9194718083a4b6a225fc17cad6096c69bd1)
ceph osd dump:
pool 0 'data' rep size 3 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 64 pgp_num 64 last_change 28459 owner 0
crash_replay_interval 45
pool 1 'metadata' rep size 3 min_size 1 crush_ruleset 1 object_hash
rjenkins pg_num 64 pgp_num 64 last_change 28460 owner 0
pool 2 'rbd' rep size 3 min_size 1 crush_ruleset 2 object_hash
rjenkins pg_num 64 pgp_num 64 last_change 28461 owner 0
pool 3 '.rgw.buckets' rep size 3 min_size 1 crush_ruleset 0
object_hash rjenkins pg_num 4800 pgp_num 4800 last_change 28462 owner
0
pool 4 '.log' rep size 3 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 1440 pgp_num 1440 last_change 28463 owner 0
pool 5 '.rgw' rep size 3 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 8 pgp_num 8 last_change 28464 owner 0
pool 6 '.users.uid' rep size 3 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 8 pgp_num 8 last_change 28465 owner 0
pool 7 '.users' rep size 3 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 8 pgp_num 8 last_change 28466 owner 0
pool 8 '.usage' rep size 2 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 8 pgp_num 8 last_change 28467 owner
18446744073709551615
pool 9 '.intent-log' rep size 3 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 8 pgp_num 8 last_change 28468 owner
18446744073709551615
pool 10 '.rgw.control' rep size 3 min_size 1 crush_ruleset 0
object_hash rjenkins pg_num 8 pgp_num 8 last_change 33485 owner
18446744073709551615
pool 11 '.rgw.gc' rep size 3 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 8 pgp_num 8 last_change 33487 owner
18446744073709551615
pool 12 '.rgw.root' rep size 2 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 8 pgp_num 8 last_change 44540 owner 0
pool 13 '' rep size 2 min_size 1 crush_ruleset 0 object_hash rjenkins
pg_num 8 pgp_num 8 last_change 46912 owner 0
rados df:
pool name category KB objects clones
degraded unfound rd rd KB wr
wr KB
- 0 0 0
0 0 0 0 0
0
.intent-log - 0 0 0
0 0 1 0 1893949
1893697
.log - 69222 6587 0
0 0 0 0 172911881
172884792
.rgw - 114449 813564 0
0 0 51094886 39834914 3606364
1047115
.rgw.buckets - 10371229682 54367877 0
0 0 2610759046 54967451976 1930820947
24031291524
....
empty pools
--
Regards
Dominik
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