== sanity test 124b: lru resize (performance test) ================================================================================= 10:31:53 (1787754713)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 664 (time 1787754728.24 total 10.01 last 66.36)
 - open/close 1305 (time 1787754738.25 total 20.01 last 64.05)
 - open/close 1903 (time 1787754748.25 total 30.02 last 59.78)
 - open/close 2470 (time 1787754758.26 total 40.02 last 56.68)
 - open/close 3039 (time 1787754768.28 total 50.04 last 56.78)
 - open/close 3640 (time 1787754778.28 total 60.05 last 60.08)
 - open/close 4199 (time 1787754788.29 total 70.05 last 55.87)
 - open/close 4792 (time 1787754798.29 total 80.06 last 59.26)
 - open/close 5225 (time 1787754808.30 total 90.06 last 43.28)
 - open/close 5702 (time 1787754818.30 total 100.07 last 47.68)
 - open/close 6249 (time 1787754828.31 total 110.08 last 54.65)
 - open/close 6848 (time 1787754838.32 total 120.09 last 59.83)
 - open/close 7460 (time 1787754848.33 total 130.09 last 61.17)
 - open/close 7964 (time 1787754858.34 total 140.10 last 50.33)
total: 8000 open/close in 140.93 seconds: 56.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 114 seconds
lru_size = 400
400
 - unlinked 0 (time 1787754988 ; total 0 ; last 0)
total: 8000 unlinks in 127 seconds: 62.992126 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 684 (time 1787755131.46 total 10.03 last 68.22)
 - open/close 1328 (time 1787755141.46 total 20.04 last 64.34)
 - open/close 1969 (time 1787755151.47 total 30.04 last 64.09)
 - open/close 2601 (time 1787755161.49 total 40.06 last 63.04)
 - open/close 3242 (time 1787755171.49 total 50.06 last 64.10)
 - open/close 3844 (time 1787755181.50 total 60.07 last 60.17)
 - open/close 4327 (time 1787755191.50 total 70.07 last 48.29)
 - open/close 5010 (time 1787755201.51 total 80.08 last 68.23)
 - open/close 5649 (time 1787755211.53 total 90.10 last 63.78)
 - open/close 6284 (time 1787755221.53 total 100.10 last 63.49)
 - open/close 6868 (time 1787755231.54 total 110.11 last 58.32)
 - open/close 7373 (time 1787755241.55 total 120.12 last 50.47)
 - open/close 7900 (time 1787755251.57 total 130.14 last 52.60)
total: 8000 open/close in 131.69 seconds: 60.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 111 seconds
lru_size = 4006
4001
ls -la is 2% faster with lru resize enabled
 - unlinked 0 (time 1787755385 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second