== sanity test 124b: lru resize (performance test) ================================================================================= 12:14:14 (1789143254)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 879 (time 1789143271.06 total 10.02 last 87.75)
 - open/close 1765 (time 1789143281.07 total 20.03 last 88.52)
 - open/close 2498 (time 1789143291.07 total 30.03 last 73.27)
 - open/close 3336 (time 1789143301.09 total 40.05 last 83.63)
 - open/close 4141 (time 1789143311.11 total 50.06 last 80.39)
 - open/close 4909 (time 1789143321.11 total 60.07 last 76.75)
 - open/close 5624 (time 1789143331.12 total 70.08 last 71.44)
 - open/close 6334 (time 1789143341.13 total 80.09 last 70.91)
 - open/close 7093 (time 1789143351.14 total 90.09 last 75.87)
 - open/close 7671 (time 1789143361.16 total 100.12 last 57.68)
total: 8000 open/close in 104.80 seconds: 76.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1789143537 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 579 (time 1789143658.80 total 10.01 last 57.86)
 - open/close 1211 (time 1789143668.81 total 20.02 last 63.14)
 - open/close 1865 (time 1789143678.82 total 30.02 last 65.36)
 - open/close 2594 (time 1789143688.82 total 40.03 last 72.85)
 - open/close 3416 (time 1789143698.83 total 50.03 last 82.16)
 - open/close 4136 (time 1789143708.84 total 60.04 last 71.93)
 - open/close 4764 (time 1789143718.85 total 70.06 last 62.70)
 - open/close 5303 (time 1789143728.86 total 80.06 last 53.88)
 - open/close 5933 (time 1789143738.86 total 90.07 last 62.98)
 - open/close 6646 (time 1789143748.87 total 100.08 last 71.21)
 - open/close 7452 (time 1789143758.88 total 110.08 last 80.56)
total: 8000 open/close in 116.19 seconds: 68.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1789143881 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second