== sanity test 124b: lru resize (performance test) ================================================================================= 15:55:08 (1785959708)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 479 (time 1785959726.38 total 10.00 last 47.88)
 - open/close 909 (time 1785959736.39 total 20.01 last 42.95)
 - open/close 1374 (time 1785959746.40 total 30.02 last 46.46)
 - open/close 1997 (time 1785959756.42 total 40.04 last 62.17)
 - open/close 2562 (time 1785959766.44 total 50.06 last 56.42)
 - open/close 3066 (time 1785959776.45 total 60.07 last 50.32)
 - open/close 3752 (time 1785959786.46 total 70.08 last 68.56)
 - open/close 4374 (time 1785959796.47 total 80.09 last 62.10)
 - open/close 4919 (time 1785959806.48 total 90.11 last 54.44)
 - open/close 5435 (time 1785959816.49 total 100.11 last 51.56)
 - open/close 5949 (time 1785959826.50 total 110.12 last 51.35)
 - open/close 6371 (time 1785959836.51 total 120.14 last 42.15)
 - open/close 6909 (time 1785959846.52 total 130.15 last 53.74)
 - open/close 7442 (time 1785959856.54 total 140.16 last 53.21)
 - open/close 7884 (time 1785959866.55 total 150.17 last 44.18)
total: 8000 open/close in 153.94 seconds: 51.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 400
 - unlinked 0 (time 1785960035 ; total 0 ; last 0)
total: 8000 unlinks in 147 seconds: 54.421768 unlinks/second
 - open/close 684 (time 1785960198.73 total 10.01 last 68.32)
 - open/close 1199 (time 1785960208.74 total 20.02 last 51.45)
 - open/close 1710 (time 1785960218.74 total 30.03 last 51.07)
 - open/close 2282 (time 1785960228.77 total 40.05 last 57.07)
 - open/close 2779 (time 1785960238.77 total 50.06 last 49.67)
 - open/close 3299 (time 1785960248.77 total 60.06 last 52.00)
 - open/close 3947 (time 1785960258.79 total 70.07 last 64.72)
 - open/close 4494 (time 1785960268.79 total 80.07 last 54.70)
 - open/close 4869 (time 1785960278.80 total 90.08 last 37.44)
 - open/close 5187 (time 1785960288.81 total 100.09 last 31.77)
 - open/close 5669 (time 1785960298.82 total 110.10 last 48.18)
 - open/close 6131 (time 1785960308.83 total 120.11 last 46.14)
 - open/close 6672 (time 1785960318.84 total 130.13 last 54.01)
 - open/close 7216 (time 1785960328.86 total 140.14 last 54.32)
 - open/close 7588 (time 1785960338.88 total 150.16 last 37.12)
total: 8000 open/close in 159.74 seconds: 50.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 125 seconds
lru_size = 8005
ls -la is 14% faster with lru resize enabled
 - unlinked 0 (time 1785960504 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second