== sanity test 124b: lru resize (performance test) ================================================================================= 22:03:31 (1775873011)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 548 (time 1775873027.05 total 10.01 last 54.74)
 - open/close 1135 (time 1775873037.07 total 20.04 last 58.56)
 - open/close 1640 (time 1775873047.07 total 30.04 last 50.49)
 - open/close 2167 (time 1775873057.07 total 40.04 last 52.69)
 - open/close 2828 (time 1775873067.08 total 50.04 last 66.08)
 - open/close 3400 (time 1775873077.08 total 60.04 last 57.18)
 - open/close 3950 (time 1775873087.11 total 70.07 last 54.84)
 - open/close 4511 (time 1775873097.11 total 80.08 last 56.07)
 - open/close 5057 (time 1775873107.12 total 90.08 last 54.59)
 - open/close 5191 (time 1775873117.25 total 100.21 last 13.23)
 - open/close 5289 (time 1775873127.36 total 110.33 last 9.69)
 - open/close 5411 (time 1775873137.43 total 120.40 last 12.11)
 - open/close 5675 (time 1775873147.44 total 130.41 last 26.38)
 - open/close 6275 (time 1775873157.45 total 140.42 last 59.95)
 - open/close 6948 (time 1775873167.48 total 150.44 last 67.12)
 - open/close 7577 (time 1775873177.48 total 160.45 last 62.86)
total: 8000 open/close in 166.74 seconds: 47.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 195 seconds
lru_size = 400
 - unlinked 0 (time 1775873389 ; total 0 ; last 0)
total: 8000 unlinks in 121 seconds: 66.115700 unlinks/second
 - open/close 678 (time 1775873525.33 total 10.01 last 67.76)
 - open/close 1396 (time 1775873535.34 total 20.01 last 71.75)
 - open/close 2109 (time 1775873545.34 total 30.02 last 71.26)
 - open/close 2794 (time 1775873555.35 total 40.03 last 68.45)
 - open/close 3439 (time 1775873565.35 total 50.03 last 64.48)
 - open/close 4104 (time 1775873575.36 total 60.04 last 66.43)
 - open/close 4784 (time 1775873585.38 total 70.06 last 67.86)
 - open/close 5474 (time 1775873595.39 total 80.07 last 68.93)
 - open/close 6110 (time 1775873605.40 total 90.07 last 63.57)
 - open/close 6702 (time 1775873615.40 total 100.08 last 59.18)
 - open/close 7309 (time 1775873625.40 total 110.08 last 60.69)
 - open/close 7980 (time 1775873635.42 total 120.09 last 67.00)
total: 8000 open/close in 120.42 seconds: 66.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1775873747 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second