== sanity test 124b: lru resize (performance test) ================================================================================= 08:58:50 (1789390730)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 586 (time 1789390746.14 total 10.01 last 58.51)
 - open/close 1191 (time 1789390756.14 total 20.02 last 60.49)
 - open/close 1802 (time 1789390766.17 total 30.05 last 60.93)
 - open/close 2439 (time 1789390776.18 total 40.05 last 63.64)
 - open/close 3027 (time 1789390786.19 total 50.06 last 58.74)
 - open/close 3605 (time 1789390796.20 total 60.08 last 57.72)
 - open/close 4221 (time 1789390806.20 total 70.08 last 61.59)
 - open/close 4794 (time 1789390816.21 total 80.09 last 57.25)
 - open/close 5390 (time 1789390826.22 total 90.10 last 59.54)
 - open/close 5979 (time 1789390836.23 total 100.11 last 58.83)
 - open/close 6523 (time 1789390846.25 total 110.13 last 54.32)
 - open/close 7072 (time 1789390856.27 total 120.14 last 54.81)
 - open/close 7661 (time 1789390866.29 total 130.17 last 58.76)
total: 8000 open/close in 135.65 seconds: 58.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 186 seconds
lru_size = 400
 - unlinked 0 (time 1789391067 ; total 0 ; last 0)
total: 8000 unlinks in 130 seconds: 61.538460 unlinks/second
 - open/close 608 (time 1789391212.60 total 10.01 last 60.73)
 - open/close 1268 (time 1789391222.61 total 20.02 last 65.94)
 - open/close 1900 (time 1789391232.62 total 30.03 last 63.13)
 - open/close 2412 (time 1789391242.63 total 40.04 last 51.17)
 - open/close 2968 (time 1789391252.63 total 50.04 last 55.60)
 - open/close 3590 (time 1789391262.63 total 60.04 last 62.20)
 - open/close 4235 (time 1789391272.65 total 70.06 last 64.36)
 - open/close 4832 (time 1789391282.66 total 80.07 last 59.62)
 - open/close 5441 (time 1789391292.68 total 90.09 last 60.81)
 - open/close 6011 (time 1789391302.71 total 100.12 last 56.85)
 - open/close 6616 (time 1789391312.71 total 110.12 last 60.46)
 - open/close 7295 (time 1789391322.72 total 120.13 last 67.85)
 - open/close 7929 (time 1789391332.73 total 130.14 last 63.35)
total: 8000 open/close in 131.12 seconds: 61.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1789391437 ; total 0 ; last 0)
total: 8000 unlinks in 86 seconds: 93.023254 unlinks/second