== sanity test 124b: lru resize (performance test) ================================================================================= 21:40:20 (1787794820)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 791 (time 1787794834.44 total 10.02 last 78.98)
 - open/close 1581 (time 1787794844.45 total 20.03 last 78.92)
 - open/close 2415 (time 1787794854.47 total 30.05 last 83.23)
 - open/close 3205 (time 1787794864.48 total 40.05 last 78.94)
 - open/close 3958 (time 1787794874.49 total 50.07 last 75.20)
 - open/close 4738 (time 1787794884.50 total 60.08 last 77.94)
 - open/close 5552 (time 1787794894.50 total 70.08 last 81.37)
 - open/close 6200 (time 1787794904.51 total 80.09 last 64.74)
 - open/close 6970 (time 1787794914.52 total 90.09 last 76.98)
 - open/close 7767 (time 1787794924.52 total 100.10 last 79.63)
total: 8000 open/close in 103.28 seconds: 77.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 144 seconds
lru_size = 400
 - unlinked 0 (time 1787795082 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 732 (time 1787795204.14 total 10.01 last 73.12)
 - open/close 1603 (time 1787795214.15 total 20.01 last 87.06)
 - open/close 2473 (time 1787795224.16 total 30.03 last 86.88)
 - open/close 3210 (time 1787795234.16 total 40.03 last 73.69)
 - open/close 3905 (time 1787795244.17 total 50.04 last 69.44)
 - open/close 4576 (time 1787795254.18 total 60.05 last 67.01)
 - open/close 5043 (time 1787795264.19 total 70.06 last 46.68)
 - open/close 5775 (time 1787795274.19 total 80.06 last 73.14)
 - open/close 6650 (time 1787795284.20 total 90.07 last 87.47)
 - open/close 7531 (time 1787795294.21 total 100.07 last 88.03)
total: 8000 open/close in 105.55 seconds: 75.80 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 41% faster with lru resize enabled
 - unlinked 0 (time 1787795403 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second