== sanity test 124b: lru resize (performance test) ================================================================================= 07:23:14 (1788520994)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 595 (time 1788521010.06 total 10.01 last 59.43)
 - open/close 1228 (time 1788521020.07 total 20.02 last 63.27)
 - open/close 1817 (time 1788521030.08 total 30.03 last 58.84)
 - open/close 2386 (time 1788521040.08 total 40.03 last 56.89)
 - open/close 3062 (time 1788521050.09 total 50.04 last 67.55)
 - open/close 3763 (time 1788521060.10 total 60.04 last 70.05)
 - open/close 4508 (time 1788521070.11 total 70.06 last 74.38)
 - open/close 5265 (time 1788521080.13 total 80.08 last 75.55)
 - open/close 5960 (time 1788521090.14 total 90.08 last 69.48)
 - open/close 6681 (time 1788521100.14 total 100.09 last 72.04)
 - open/close 7401 (time 1788521110.16 total 110.11 last 71.89)
total: 8000 open/close in 118.64 seconds: 67.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 187 seconds
lru_size = 400
 - unlinked 0 (time 1788521319 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
 - open/close 528 (time 1788521455.06 total 10.01 last 52.75)
 - open/close 1259 (time 1788521465.09 total 20.04 last 72.88)
 - open/close 2022 (time 1788521475.10 total 30.06 last 76.19)
 - open/close 2790 (time 1788521485.11 total 40.07 last 76.72)
 - open/close 3513 (time 1788521495.13 total 50.08 last 72.18)
 - open/close 4245 (time 1788521505.14 total 60.09 last 73.12)
 - open/close 4968 (time 1788521515.15 total 70.10 last 72.23)
 - open/close 5710 (time 1788521525.16 total 80.11 last 74.15)
 - open/close 6393 (time 1788521535.17 total 90.12 last 68.22)
 - open/close 7082 (time 1788521545.18 total 100.13 last 68.83)
 - open/close 7768 (time 1788521555.20 total 110.16 last 68.42)
total: 8000 open/close in 113.01 seconds: 70.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1788521681 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second