== sanity test 124b: lru resize (performance test) ================================================================================= 14:55:47 (1752519347)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 685 (time 1752519362.91 total 10.00 last 68.48)
 - open/close 1364 (time 1752519372.93 total 20.02 last 67.81)
 - open/close 1883 (time 1752519382.95 total 30.04 last 51.77)
 - open/close 2170 (time 1752519392.97 total 40.06 last 28.64)
 - open/close 2867 (time 1752519402.98 total 50.07 last 69.68)
 - open/close 3583 (time 1752519412.98 total 60.07 last 71.55)
 - open/close 4277 (time 1752519422.99 total 70.07 last 69.39)
 - open/close 4922 (time 1752519432.99 total 80.08 last 64.48)
 - open/close 5648 (time 1752519443.00 total 90.09 last 72.49)
 - open/close 6344 (time 1752519453.01 total 100.10 last 69.56)
 - open/close 7080 (time 1752519463.01 total 110.10 last 73.58)
 - open/close 7736 (time 1752519473.03 total 120.12 last 65.51)
total: 8000 open/close in 124.78 seconds: 64.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1752519646 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
 - open/close 443 (time 1752519786.67 total 10.01 last 44.26)
 - open/close 1168 (time 1752519796.67 total 20.01 last 72.48)
 - open/close 1820 (time 1752519806.68 total 30.02 last 65.16)
 - open/close 2504 (time 1752519816.68 total 40.02 last 68.37)
 - open/close 3148 (time 1752519826.69 total 50.03 last 64.36)
 - open/close 3802 (time 1752519836.71 total 60.05 last 65.27)
 - open/close 4390 (time 1752519846.75 total 70.09 last 58.58)
 - open/close 4994 (time 1752519856.75 total 80.09 last 60.40)
 - open/close 5677 (time 1752519866.76 total 90.10 last 68.22)
 - open/close 6377 (time 1752519876.76 total 100.11 last 69.96)
 - open/close 7051 (time 1752519886.78 total 110.12 last 67.32)
 - open/close 7731 (time 1752519896.79 total 120.13 last 67.91)
total: 8000 open/close in 124.15 seconds: 64.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8006
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1752520015 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second