Hi Frederic,
I've not enable debug level logging on all OSDs, just on one for the test, need to double check that.
But looks that merging is ongoing on few OSDs or OSDs are faulty, I will dig into that tomorrow.
Write bandwidth is very random
# rados bench -p default.rgw.buckets.data 120 write
hints = 1
Maintaining 16 concurrent writes of 4194432 bytes to objects of size 4194432 for up to 120 seconds or 0 objects
Object prefix: benchmark_data_sg08-09_59104
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
0 0 0 0 0 0 - 0
1 16 155 139 555.93 556.017 0.0750027 0.10687
2 16 264 248 495.936 436.013 0.154185 0.118693
3 16 330 314 418.616 264.008 0.118476 0.142667
4 16 415 399 398.953 340.01 0.0873379 0.15102
5 16 483 467 373.557 272.008 0.750453 0.159819
6 16 532 516 343.962 196.006 0.0298334 0.171218
7 16 617 601 343.391 340.01 0.192698 0.177288
8 16 700 684 341.963 332.01 0.0281355 0.171277
9 16 762 746 331.521 248.008 0.0962037 0.163734
10 16 804 788 315.167 168.005 1.40356 0.196298
11 16 897 881 320.33 372.011 0.0369085 0.19496
12 16 985 969 322.966 352.011 0.0290563 0.193986
13 15 1106 1091 335.657 488.015 0.0617642 0.188703
14 16 1166 1150 328.537 236.007 0.0401884 0.186206
15 16 1251 1235 329.299 340.01 0.171256 0.190974
16 16 1339 1323 330.716 352.011 0.024222 0.189901
17 16 1417 1401 329.613 312.01 0.0289473 0.186562
18 16 1465 1449 321.967 192.006 0.028123 0.189153
19 16 1522 1506 317.02 228.007 0.265448 0.188288
2018-02-06 13:43:21.412512 min lat: 0.0204657 max lat: 3.61509 avg lat: 0.18918
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
20 16 1564 1548 309.568 168.005 0.0327581 0.18918
21 16 1636 1620 308.54 288.009 0.0715159 0.187381
22 16 1673 1657 301.242 148.005 1.57285 0.191596
23 16 1762 1746 303.621 356.011 6.00352 0.206217
24 16 1885 1869 311.468 492.015 0.0298435 0.203874
25 16 2010 1994 319.008 500.015 0.0258761 0.199652
26 16 2116 2100 323.044 424.013 0.0533319 0.19631
27 16 2201 2185 323.67 340.01 0.134796 0.195953
28 16 2257 2241 320.11 224.007 0.473629 0.196464
29 16 2333 2317 319.554 304.009 0.0362741 0.198054
30 16 2371 2355 313.968 152.005 0.438141 0.200265
31 16 2459 2443 315.194 352.011 0.0610629 0.200858
32 16 2525 2509 313.593 264.008 0.0234799 0.201008
33 16 2612 2596 314.635 348.011 0.072019 0.199094
34 16 2682 2666 313.615 280.009 0.10062 0.197586
35 16 2757 2741 313.225 300.009 0.0552581 0.196981
36 16 2849 2833 314.746 368.011 0.257323 0.19565
37 16 2891 2875 310.779 168.005 0.0918386 0.19556
38 16 2946 2930 308.39 220.007 0.0276621 0.195792
39 16 2975 2959 303.456 116.004 0.0588971 0.19952
2018-02-06 13:43:41.415107 min lat: 0.0204657 max lat: 7.9873 avg lat: 0.198749
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
40 16 3060 3044 304.369 340.01 0.0217136 0.198749
41 16 3098 3082 300.652 152.005 0.0717398 0.199052
42 16 3141 3125 297.589 172.005 0.0257422 0.201899
43 15 3241 3226 300.063 404.012 0.0733869 0.209446
44 16 3332 3316 301.424 360.011 0.0327249 0.206686
45 16 3430 3414 303.436 392.012 0.0413156 0.203727
46 16 3534 3518 305.882 416.013 0.033638 0.202182
47 16 3602 3586 305.161 272.008 0.0453557 0.200028
48 16 3663 3647 303.886 244.007 0.0779019 0.199777
49 16 3736 3720 303.643 292.009 0.0285231 0.206274
50 16 3849 3833 306.609 452.014 0.0537071 0.208127
51 16 3909 3893 305.303 240.007 0.0366709 0.207793
52 16 3972 3956 304.277 252.008 0.0289131 0.207989
53 16 4048 4032 304.272 304.009 0.0348617 0.207844
54 16 4114 4098 303.525 264.008 0.0799526 0.20701
55 16 4191 4175 303.606 308.009 0.034915 0.206882
56 16 4313 4297 306.898 488.015 0.108777 0.205869
57 16 4449 4433 311.057 544.017 0.0862092 0.205232
58 16 4548 4532 312.52 396.012 0.135814 0.203753
59 16 4678 4662 316.036 520.016 0.0307446 0.202156
2018-02-06 13:44:01.417687 min lat: 0.0204657 max lat: 13.0888 avg lat: 0.201848
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
60 16 4734 4718 314.502 224.007 0.223548 0.201848
61 16 4783 4767 312.559 196.006 0.124237 0.203641
62 16 4838 4822 311.066 220.007 0.270943 0.204074
63 16 4929 4913 311.905 364.011 0.123486 0.204716
64 16 5063 5047 315.406 536.016 0.101675 0.202283
65 16 5124 5108 314.307 244.007 0.0504368 0.201181
66 16 5243 5227 316.756 476.015 0.235348 0.201481
67 16 5339 5323 317.759 384.012 0.0478478 0.200486
68 16 5414 5398 317.497 300.009 0.258401 0.200194
69 16 5461 5445 315.62 188.006 0.112516 0.20022
70 16 5523 5507 314.654 248.008 0.0927405 0.201534
71 16 5582 5566 313.546 236.007 0.333586 0.202304
72 16 5690 5674 315.19 432.013 0.0706812 0.201498
73 16 5780 5764 315.804 360.011 0.0306772 0.200354
74 16 5850 5834 315.32 280.009 0.0261027 0.200627
75 16 5905 5889 314.048 220.007 0.101282 0.20075
76 16 6013 5997 315.6 432.013 0.161956 0.202154
77 16 6130 6114 317.578 468.014 0.042322 0.20092
78 16 6232 6216 318.737 408.012 0.0912166 0.199238
79 16 6260 6244 316.12 112.003 0.0406156 0.198971
2018-02-06 13:44:21.420343 min lat: 0.0204657 max lat: 13.0888 avg lat: 0.200443
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
80 16 6304 6288 314.368 176.005 0.0409417 0.200443
81 16 6375 6359 313.993 284.009 0.150617 0.19986
82 16 6447 6431 313.676 288.009 0.0730616 0.200072
83 16 6513 6497 313.077 264.008 0.0565517 0.202155
84 16 6594 6578 313.206 324.01 0.0273074 0.202981
85 16 6732 6716 316.015 552.017 0.134015 0.202301
86 16 6878 6862 319.131 584.018 0.157684 0.200182
87 16 6971 6955 319.738 372.011 0.327923 0.199431
88 16 7018 7002 318.241 188.006 0.0317034 0.198737
89 16 7056 7040 316.373 152.005 0.0874119 0.199579
90 16 7095 7079 314.59 156.005 0.027061 0.198883
91 16 7150 7134 313.551 220.007 0.247791 0.199385
92 16 7201 7185 312.36 204.006 0.131592 0.202395
93 16 7216 7200 309.646 60.0018 0.0678182 0.202927
94 16 7276 7260 308.905 240.007 0.040735 0.204362
95 16 7304 7288 306.832 112.003 0.04629 0.204849
96 16 7402 7386 307.719 392.012 0.085536 0.206601
97 16 7524 7508 309.577 488.015 0.904426 0.205316
98 16 7682 7666 312.866 632.019 0.0580214 0.204241
99 16 7840 7824 316.089 632.019 0.13412 0.202289
2018-02-06 13:44:41.423052 min lat: 0.0204657 max lat: 13.0888 avg lat: 0.200948
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
100 16 7949 7933 317.288 436.013 0.025568 0.200948
101 16 7996 7980 316.007 188.006 0.328559 0.201496
102 16 8020 8004 313.85 96.0029 0.0524293 0.20214
103 16 8044 8028 311.735 96.0029 0.0628428 0.20236
104 16 8062 8046 309.43 72.0022 0.0320078 0.202743
105 16 8088 8072 307.473 104.003 0.0506497 0.204222
106 16 8127 8111 306.044 156.005 0.0436112 0.20792
107 16 8226 8210 306.885 396.012 0.0452614 0.207666
108 16 8296 8280 306.635 280.009 0.0500199 0.207578
109 16 8367 8351 306.428 284.009 0.0364288 0.207779
110 16 8475 8459 307.569 432.013 0.140141 0.206752
111 16 8559 8543 307.825 336.01 0.0250007 0.206032
112 16 8696 8680 309.968 548.017 0.0249451 0.205808
113 16 8804 8788 311.048 432.013 0.49485 0.205075
114 16 8917 8901 312.284 452.014 0.0731665 0.204527
115 16 9047 9031 314.09 520.016 0.0365535 0.203553
116 16 9130 9114 314.244 332.01 0.0451302 0.203367
117 16 9259 9243 315.968 516.016 0.0610521 0.202253
118 16 9373 9357 317.154 456.014 0.0282051 0.201613
119 16 9465 9449 317.581 368.011 0.0299575 0.200845
2018-02-06 13:45:01.425689 min lat: 0.0204657 max lat: 13.0888 avg lat: 0.200298
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
120 16 9545 9529 317.601 320.01 0.0264095 0.200298
121 7 9546 9539 315.307 40.0012 0.659852 0.201486
122 7 9546 9539 312.722 0 - 0.201486
Total time run: 122.442935
Total writes made: 9546
Write size: 4194432
Object size: 4194432
Bandwidth (MB/sec): 311.861
Stddev Bandwidth: 133.889
Max bandwidth (MB/sec): 632.019
Min bandwidth (MB/sec): 0
Average IOPS: 77
Stddev IOPS: 33
Max IOPS: 158
Min IOPS: 0
Average Latency(s): 0.203467
Stddev Latency(s): 0.531046
Max latency(s): 13.0888
Min latency(s): 0.0204657
Cleaning up (deleting benchmark objects)
Removed 9546 objects
Clean up completed and total clean up time :308.444893
#
Many slow requests occurred in log once Cleaning up started. Affected OSDs: osd.53 and osd.91 are located on different nodes.
2018-02-06 13:42:49.881647 mon.sg01-06 mon.0 10.212.32.18:6789/0 3574 : cluster [WRN] overall HEALTH_WARN noscrub,nodeep-scrub flag(s) set
2018-02-06 13:44:49.777466 mon.sg01-06 mon.0 10.212.32.18:6789/0 3577 : cluster [INF] mon.1 10.212.32.19:6789/0
2018-02-06 13:44:49.777627 mon.sg01-06 mon.0 10.212.32.18:6789/0 3578 : cluster [INF] mon.2 10.212.32.20:6789/0
2018-02-06 13:45:22.221472 mon.sg01-06 mon.0 10.212.32.18:6789/0 3579 : cluster [WRN] Health check failed: 4 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:45:26.227333 mon.sg01-06 mon.0 10.212.32.18:6789/0 3580 : cluster [INF] Health check cleared: REQUEST_SLOW (was: 4 slow requests are blocked > 32 sec)
2018-02-06 13:45:40.325885 mon.sg01-06 mon.0 10.212.32.18:6789/0 3582 : cluster [WRN] Health check failed: 26 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:45:46.360383 mon.sg01-06 mon.0 10.212.32.18:6789/0 3583 : cluster [INF] Health check cleared: REQUEST_SLOW (was: 26 slow requests are blocked > 32 sec)
2018-02-06 13:46:08.518861 mon.sg01-06 mon.0 10.212.32.18:6789/0 3584 : cluster [WRN] Health check failed: 1 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:13.806928 mon.sg01-06 mon.0 10.212.32.18:6789/0 3585 : cluster [WRN] Health check update: 9 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:18.807371 mon.sg01-06 mon.0 10.212.32.18:6789/0 3586 : cluster [WRN] Health check update: 20 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:23.807835 mon.sg01-06 mon.0 10.212.32.18:6789/0 3587 : cluster [WRN] Health check update: 15 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:19.082992 osd.53 osd.53 10.212.32.22:6802/50082 167 : cluster [WRN] 1 slow requests, 1 included below; oldest blocked for > 30.071323 secs
2018-02-06 13:46:19.082999 osd.53 osd.53 10.212.32.22:6802/50082 168 : cluster [WRN] slow request 30.071323 seconds old, received at 2018-02-06 13:45:49.011626: osd_op(client.10075.0:25660466 3.50964d18 3:18b2690a:::rbd_data.bcc718ab7e41.000000000001018d:head [write 2703360~8192] snapc 0=[] ack+ondisk+write+known_if_redirected e5954) currently journaled_completion_queued
2018-02-06 13:46:21.083367 osd.53 osd.53 10.212.32.22:6802/50082 169 : cluster [WRN] 2 slow requests, 1 included below; oldest blocked for > 32.071703 secs
2018-02-06 13:46:21.083390 osd.53 osd.53 10.212.32.22:6802/50082 170 : cluster [WRN] slow request 30.141592 seconds old, received at 2018-02-06 13:45:50.941737: osd_op(client.841436.0:77497677 3.52e3e8ff 3:ff17c74a:::rbd_data.cd25332916c98.0000000000012b0b:head [write 245760~3612672] snapc 0=[] ack+ondisk+write+known_if_redirected e5954) currently commit_sent
2018-02-06 13:46:28.808214 mon.sg01-06 mon.0 10.212.32.18:6789/0 3589 : cluster [WRN] Health check update: 16 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:33.808664 mon.sg01-06 mon.0 10.212.32.18:6789/0 3590 : cluster [WRN] Health check update: 17 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:38.809093 mon.sg01-06 mon.0 10.212.32.18:6789/0 3591 : cluster [WRN] Health check update: 1 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:43.809537 mon.sg01-06 mon.0 10.212.32.18:6789/0 3592 : cluster [WRN] Health check update: 2 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:44.760767 mon.sg01-06 mon.0 10.212.32.18:6789/0 3593 : cluster [INF] Health check cleared: REQUEST_SLOW (was: 2 slow requests are blocked > 32 sec)
2018-02-06 13:46:52.819718 mon.sg01-06 mon.0 10.212.32.18:6789/0 3594 : cluster [WRN] Health check failed: 70 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:46:59.674390 mon.sg01-06 mon.0 10.212.32.18:6789/0 3595 : cluster [WRN] Health check update: 105 slow requests are blocked > 32 sec (REQUEST_SLOW)
2018-02-06 13:47:01.444356 osd.91 osd.91 10.212.32.25:6818/81813 5 : cluster [WRN] 1 slow requests, 1 included below; oldest blocked for > 30.028512 secs
2018-02-06 13:47:01.444365 osd.91 osd.91 10.212.32.25:6818/81813 6 : cluster [WRN] slow request 30.028512 seconds old, received at 2018-02-06 13:46:31.415754: osd_op(client.757449.0:155792306 3.92bf145a 3:5a28fd49:::rbd_data.8e125f170c6e.00000000000318b3:head [write 176128~4096] snapc 0=[] ack+ondisk+write+known_if_redirected e5954) currently sub_op_commit_rec from 72
2018-02-06 13:47:02.444612 osd.91 osd.91 10.212.32.25:6818/81813 7 : cluster [WRN] 12 slow requests, 5 included below; oldest blocked for > 31.028754 secs
2018-02-06 13:47:02.444637 osd.91 osd.91 10.212.32.25:6818/81813 12 : cluster [WRN] slow request 30.121723 seconds old, received at 2018-02-06 13:46:32.322785: osd_op(client.757449.0:155792349 3.92bf145a 3:5a28fd49:::rbd_data.8e125f170c6e.00000000000318b3:head [write 217088~4096] snapc 0=[] ack+ondisk+write+known_if_redirected e5954) currently sub_op_commit_rec from 72
2018-02-06 13:47:01.089688 osd.53 osd.53 10.212.32.22:6802/50082 171 : cluster [WRN] 1 slow requests, 1 included below; oldest blocked for > 30.546028 secs
2018-02-06 13:47:01.089695 osd.53 osd.53 10.212.32.22:6802/50082 172 : cluster [WRN] slow request 30.546028 seconds old, received at 2018-02-06 13:46:30.543617: osd_op(client.48366.0:29692284 3.859d4e2b 3.859d4e2b (undecoded) ack+ondisk+write+known_if_redirected e5954) currently queued_for_pg
2018-02-06 13:47:02.089919 osd.53 osd.53 10.212.32.22:6802/50082 173 : cluster [WRN] 9 slow requests, 5 included below; oldest blocked for > 31.546245 secs
2018-02-06 13:47:02.089926 osd.53 osd.53 10.212.32.22:6802/50082 174 : cluster [WRN] slow request 30.414557 seconds old, received at 2018-02-06 13:46:31.675305: osd_repop(client.757449.0:155792317 3.5a e5954/5842) currently queued_for_pg
2018-02-06 13:47:04.445182 osd.91 osd.91 10.212.32.25:6818/81813 24 : cluster [WRN] slow request 30.496769 seconds old, received at 2018-02-06 13:46:33.948299: osd_op(client.757449.0:155792384 3.92bf145a 3:5a28fd49:::rbd_data.8e125f170c6e.00000000000318b3:head [write 262144~4096] snapc 0=[] ack+ondisk+write+known_if_redirected e5954) currently sub_op_commit_rec from 72
2018-02-06 13:50:11.133054 osd.53 osd.53 10.212.32.22:6802/50082 864 : cluster [WRN] slow request 120.604868 seconds old, received at 2018-02-06 13:48:10.528083: osd_op(client.840950.0:169909382 3.cf2d18ff 3.cf2d18ff (undecoded) ack+ondisk+write+known_if_redirected e5954) currently queued_for_pg
2018-02-06 13:50:11.133058 osd.53 osd.53 10.212.32.22:6802/50082 865 : cluster [WRN] slow request 61.985051 seconds old, received at 2018-02-06 13:49:09.147900: osd_op(client.749595.0:78222152 3.4347d828 3.4347d828 (undecoded) ack+ondisk+write+known_if_redirected e5954) currently queued_for_pg
2018-02-06 13:50:11.133061 osd.53 osd.53 10.212.32.22:6802/50082 866 : cluster [WRN] slow request 31.256269 seconds old, received at 2018-02-06 13:49:39.876682: osd_op(client.749595.0:78223068 3.4347d828 3.4347d828 (undecoded) ack+ondisk+write+known_if_redirected e5954) currently queued_for_pg
2018-02-06 13:50:12.133218 osd.53 osd.53 10.212.32.22:6802/50082 867 : cluster [WRN] 48 slow requests, 1 included below; oldest blocked for > 168.672302 secs
2018-02-06 13:50:12.133223 osd.53 osd.53 10.212.32.22:6802/50082 868 : cluster [WRN] slow request 34.801266 seconds old, received at 2018-02-06 13:49:37.331905: osd_op(client.48192.0:97243662 3.7163d828 3.7163d828 (undecoded) ack+ondisk+write+known_if_redirected e5954) currently queued_for_pg
2018-02-06 13:50:18.139428 mon.sg01-06 mon.0 10.212.32.18:6789/0 3639 : cluster [INF] Health check cleared: REQUEST_SLOW (was: 247 slow requests are blocked > 32 sec)
2018-02-06 13:50:49.882654 mon.sg01-06 mon.0 10.212.32.18:6789/0 3641 : cluster [WRN] overall HEALTH_WARN noscrub,nodeep-scrub flag(s) set
Testing with dd
# dd if=/dev/zero of=/var/lib/ceph/osd/ceph-53/dd_test bs=4M count=1000 oflag=direct
1000+0 records in
1000+0 records out
4194304000 bytes (4,2 GB, 3,9 GiB) copied, 29,3667 s, 143 MB/s
#
# dd if=/dev/zero of=/var/lib/ceph/osd/ceph-91/dd_test bs=4M count=1000 oflag=direct
1000+0 records in
1000+0 records out
4194304000 bytes (4,2 GB, 3,9 GiB) copied, 33,4732 s, 125 MB/s
#
Device Model: TOSHIBA MG04ACA400N
Firmware Version: FJ2D
User Capacity: 4,000,787,030,016 bytes [4,00 TB]
Sector Size: 512 bytes logical/physical
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
ATA Version is: ATA8-ACS (minor revision not indicated)
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Please see some lines with number of files per directory in affected filestore.
I think directories with 300+ files look like just merged or I get it wrong ?
...
337 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_E
21 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_0
18 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_1
21 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_6
25 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_2
18 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_3
22 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_4
20 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_5
27 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_7
22 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_8
25 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_9
19 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_A
22 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_B
28 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_C
20 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_D
19 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_E
28 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_4/DIR_F/DIR_F
338 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_0
344 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_1
320 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_2
50 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3
21 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_0
26 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_1
20 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_2
13 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_3
28 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_4
19 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_5
20 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_6
17 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_7
21 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_8
22 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_9
23 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_B
23 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_E
26 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_D
17 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_3/DIR_F
325 in /var/lib/ceph/osd/ceph-91/current/20.83s4_head/DIR_3/DIR_8/DIR_8/DIR_4
...
Does ceph-objectstore-tool merge/split filestore structure ? I can try it tomorrow.
Many thanks
Jakub
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