== sanity test 124b: lru resize (performance test) ================================================================================= 11:40:58 (1787586058)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 656 (time 1787586074.06 total 10.01 last 65.56)
 - open/close 1285 (time 1787586084.06 total 20.01 last 62.86)
 - open/close 2000 (time 1787586094.07 total 30.02 last 71.45)
 - open/close 2737 (time 1787586104.07 total 40.02 last 73.67)
 - open/close 3202 (time 1787586114.10 total 50.05 last 46.40)
 - open/close 3719 (time 1787586124.12 total 60.07 last 51.58)
 - open/close 4396 (time 1787586134.13 total 70.08 last 67.66)
 - open/close 5048 (time 1787586144.13 total 80.08 last 65.18)
 - open/close 5754 (time 1787586154.14 total 90.09 last 70.50)
 - open/close 6497 (time 1787586164.15 total 100.10 last 74.24)
 - open/close 7201 (time 1787586174.16 total 110.11 last 70.36)
 - open/close 7908 (time 1787586184.16 total 120.11 last 70.65)
total: 8000 open/close in 121.26 seconds: 65.97 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 1787586347 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 718 (time 1787586479.80 total 10.00 last 71.79)
 - open/close 1463 (time 1787586489.81 total 20.01 last 74.45)
 - open/close 2318 (time 1787586499.81 total 30.01 last 85.47)
 - open/close 3154 (time 1787586509.82 total 40.02 last 83.55)
 - open/close 4088 (time 1787586519.82 total 50.02 last 93.38)
 - open/close 4843 (time 1787586529.82 total 60.03 last 75.45)
 - open/close 5552 (time 1787586539.84 total 70.04 last 70.80)
 - open/close 6175 (time 1787586549.84 total 80.04 last 62.30)
 - open/close 6933 (time 1787586559.84 total 90.04 last 75.79)
 - open/close 7715 (time 1787586569.86 total 100.07 last 78.02)
total: 8000 open/close in 103.81 seconds: 77.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1787586681 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second