== sanity test 124b: lru resize (performance test) ================================================================================= 20:28:34 (1787876914)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 550 (time 1787876930.60 total 10.02 last 54.90)
 - open/close 1065 (time 1787876940.61 total 20.02 last 51.47)
 - open/close 1712 (time 1787876950.61 total 30.03 last 64.67)
 - open/close 2357 (time 1787876960.62 total 40.03 last 64.46)
 - open/close 3069 (time 1787876970.62 total 50.04 last 71.19)
 - open/close 3620 (time 1787876980.65 total 60.06 last 54.95)
 - open/close 4220 (time 1787876990.66 total 70.08 last 59.91)
 - open/close 4775 (time 1787877000.66 total 80.08 last 55.50)
 - open/close 5314 (time 1787877010.67 total 90.08 last 53.87)
 - open/close 5761 (time 1787877020.69 total 100.10 last 44.63)
 - open/close 6296 (time 1787877030.69 total 110.11 last 53.46)
 - open/close 6840 (time 1787877040.72 total 120.13 last 54.25)
 - open/close 7323 (time 1787877050.72 total 130.14 last 48.29)
 - open/close 7991 (time 1787877060.73 total 140.15 last 66.74)
total: 8000 open/close in 140.27 seconds: 57.03 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 1787877267 ; total 0 ; last 0)
total: 8000 unlinks in 121 seconds: 66.115700 unlinks/second
 - open/close 560 (time 1787877403.74 total 10.00 last 55.99)
 - open/close 1077 (time 1787877413.76 total 20.01 last 51.64)
 - open/close 1604 (time 1787877423.77 total 30.02 last 52.65)
 - open/close 2133 (time 1787877433.80 total 40.06 last 52.70)
 - open/close 2780 (time 1787877443.81 total 50.07 last 64.66)
 - open/close 3533 (time 1787877453.83 total 60.09 last 75.14)
 - open/close 4374 (time 1787877463.83 total 70.09 last 84.09)
 - open/close 5153 (time 1787877473.84 total 80.10 last 77.85)
 - open/close 5869 (time 1787877483.86 total 90.12 last 71.47)
 - open/close 6643 (time 1787877493.90 total 100.15 last 77.11)
 - open/close 7352 (time 1787877503.90 total 110.15 last 70.89)
total: 8000 open/close in 119.57 seconds: 66.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8006
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1787877629 ; total 0 ; last 0)
total: 8000 unlinks in 81 seconds: 98.765434 unlinks/second