== sanity test 124b: lru resize (performance test) ================================================================================= 22:11:45 (1789438305)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 821 (time 1789438320.62 total 10.01 last 82.01)
 - open/close 1633 (time 1789438330.63 total 20.02 last 81.14)
 - open/close 2484 (time 1789438340.64 total 30.03 last 84.99)
 - open/close 3254 (time 1789438350.66 total 40.05 last 76.87)
 - open/close 4082 (time 1789438360.67 total 50.06 last 82.73)
 - open/close 4975 (time 1789438370.68 total 60.07 last 89.19)
 - open/close 5780 (time 1789438380.69 total 70.08 last 80.43)
 - open/close 6574 (time 1789438390.70 total 80.09 last 79.33)
 - open/close 7455 (time 1789438400.71 total 90.10 last 88.01)
total: 8000 open/close in 97.36 seconds: 82.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
 - unlinked 0 (time 1789438567 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 850 (time 1789438686.87 total 10.01 last 84.91)
 - open/close 1777 (time 1789438696.87 total 20.01 last 92.68)
 - open/close 2643 (time 1789438706.88 total 30.02 last 86.56)
 - open/close 3494 (time 1789438716.88 total 40.02 last 85.07)
 - open/close 4269 (time 1789438726.89 total 50.03 last 77.46)
 - open/close 4984 (time 1789438736.89 total 60.03 last 71.50)
 - open/close 5804 (time 1789438746.89 total 70.03 last 81.95)
 - open/close 6619 (time 1789438756.90 total 80.04 last 81.44)
 - open/close 7407 (time 1789438766.93 total 90.07 last 78.58)
total: 8000 open/close in 97.45 seconds: 82.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1789438886 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second