Re: Slow ceph fs performance

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Hi Sage,

sage@xxxxxxxxxxx said:
> Can you also include 'ceph osd tree', 'ceph osd dump', and 'ceph pg dump'
> output?  So we can make sure CRUSH is distributing things well? 

Here they are:

# ceph osd tree
dumped osdmap tree epoch 24
# id    weight  type name       up/down reweight
-1      4       pool default
-3      4               rack unknownrack
-2      1                       host ceph-osd-1
1       1                               osd.1   up      1
-4      1                       host ceph-osd-2
2       1                               osd.2   up      1
-5      1                       host ceph-osd-3
3       1                               osd.3   up      1
-6      1                       host ceph-osd-4
4       1                               osd.4   up      1

# ceph osd dump
dumped osdmap epoch 24
epoch 24
fsid 7e4e4302-4ced-439e-9786-49e6036dfda4
created 2012-09-28 13:17:40.774580
modifed 2012-09-28 16:56:02.864965
flags 

pool 0 'data' rep size 2 crush_ruleset 0 object_hash rjenkins pg_num 320 pgp_num 320 last_change 1 owner 0 crash_replay_interval 45
pool 1 'metadata' rep size 2 crush_ruleset 1 object_hash rjenkins pg_num 320 pgp_num 320 last_change 1 owner 0
pool 2 'rbd' rep size 2 crush_ruleset 2 object_hash rjenkins pg_num 320 pgp_num 320 last_change 1 owner 0

max_osd 5
osd.1 up   in  weight 1 up_from 18 up_thru 21 down_at 17 last_clean_interval [10,15) 192.168.1.21:6800/3702 192.168.12.21:6800/3702 192.168.12.21:6801/3702 exists,up 4ad0b4cd-cbff-4693-b8f7-667148386cf3
osd.2 up   in  weight 1 up_from 17 up_thru 21 down_at 16 last_clean_interval [8,15) 192.168.1.22:6800/3428 192.168.12.22:6800/3428 192.168.12.22:6801/3428 exists,up 6a829cc6-fc60-450a-ac1d-8e148b757e57
osd.3 up   in  weight 1 up_from 21 up_thru 21 down_at 20 last_clean_interval [9,15) 192.168.1.23:6800/3436 192.168.12.23:6800/3436 192.168.12.23:6801/3436 exists,up 387cff7a-b857-434b-af66-0e08f56fd0f7
osd.4 up   in  weight 1 up_from 18 up_thru 21 down_at 17 last_clean_interval [9,15) 192.168.1.24:6800/3486 192.168.12.24:6800/3486 192.168.12.24:6801/3486 exists,up fe8c4bf0-ff6f-41e9-91ac-d5826672f8b5

# ceph pg dump
See http://ayesha.phys.virginia.edu/~bryan/ceph-pg-dump.txt

					Bryan

-- 
========================================================================
Bryan Wright              |"If you take cranberries and stew them like 
Physics Department        | applesauce, they taste much more like prunes
University of Virginia    | than rhubarb does."  --  Groucho 
Charlottesville, VA  22901|			
(434) 924-7218            |         bryan@xxxxxxxxxxxx
========================================================================

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