== sanity test 124b: lru resize (performance test) ================================================================================= 07:19:00 (1781263140)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9b8a11542800.lru_size=400
 - open/close 662 (time 1781263157.00 total 10.02 last 66.07)
 - open/close 1259 (time 1781263167.00 total 20.02 last 59.70)
 - open/close 1811 (time 1781263177.02 total 30.04 last 55.12)
 - open/close 2452 (time 1781263187.02 total 40.04 last 64.05)
 - open/close 3019 (time 1781263197.03 total 50.05 last 56.68)
 - open/close 3555 (time 1781263207.03 total 60.05 last 53.60)
 - open/close 4150 (time 1781263217.03 total 70.05 last 59.49)
 - open/close 4764 (time 1781263227.04 total 80.06 last 61.34)
 - open/close 5314 (time 1781263237.06 total 90.08 last 54.91)
 - open/close 5934 (time 1781263247.06 total 100.08 last 61.99)
 - open/close 6529 (time 1781263257.09 total 110.11 last 59.31)
 - open/close 7170 (time 1781263267.10 total 120.12 last 64.04)
 - open/close 7703 (time 1781263277.10 total 130.12 last 53.29)
total: 8000 open/close in 135.12 seconds: 59.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 123 seconds
lru_size = 400
 - unlinked 0 (time 1781263422 ; total 0 ; last 0)
total: 8000 unlinks in 137 seconds: 58.394161 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9b8a11542800.lru_size=0
 - open/close 612 (time 1781263575.77 total 10.01 last 61.12)
 - open/close 1213 (time 1781263585.77 total 20.02 last 60.08)
 - open/close 1795 (time 1781263595.79 total 30.03 last 58.11)
 - open/close 2460 (time 1781263605.79 total 40.04 last 66.47)
 - open/close 3131 (time 1781263615.80 total 50.05 last 67.02)
 - open/close 3756 (time 1781263625.81 total 60.05 last 62.46)
 - open/close 4432 (time 1781263635.82 total 70.06 last 67.54)
 - open/close 4907 (time 1781263645.82 total 80.07 last 47.47)
 - open/close 5501 (time 1781263655.83 total 90.08 last 59.35)
 - open/close 6048 (time 1781263665.85 total 100.10 last 54.60)
 - open/close 6657 (time 1781263675.86 total 110.11 last 60.85)
 - open/close 7224 (time 1781263685.87 total 120.11 last 56.66)
 - open/close 7827 (time 1781263695.87 total 130.11 last 60.29)
total: 8000 open/close in 133.00 seconds: 60.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1781263777 ; total 0 ; last 0)
total: 8000 unlinks in 91 seconds: 87.912086 unlinks/second