== sanity test 124b: lru resize (performance test) ================================================================================= 05:13:19 (1785402799)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 484 (time 1785402816.80 total 10.03 last 48.28)
 - open/close 1128 (time 1785402826.81 total 20.03 last 64.37)
 - open/close 1700 (time 1785402836.81 total 30.03 last 57.18)
 - open/close 2278 (time 1785402846.82 total 40.05 last 57.72)
 - open/close 3007 (time 1785402856.84 total 50.06 last 72.79)
 - open/close 3626 (time 1785402866.84 total 60.07 last 61.87)
 - open/close 4377 (time 1785402876.85 total 70.07 last 75.05)
 - open/close 4921 (time 1785402886.86 total 80.08 last 54.36)
 - open/close 5446 (time 1785402896.91 total 90.13 last 52.24)
 - open/close 5832 (time 1785402906.92 total 100.14 last 38.55)
 - open/close 6418 (time 1785402916.94 total 110.16 last 58.48)
 - open/close 7117 (time 1785402926.95 total 120.17 last 69.83)
 - open/close 7750 (time 1785402936.96 total 130.18 last 63.26)
total: 8000 open/close in 134.39 seconds: 59.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 136 seconds
lru_size = 400
400
 - unlinked 0 (time 1785403091 ; total 0 ; last 0)
total: 8000 unlinks in 128 seconds: 62.500000 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 680 (time 1785403235.67 total 10.01 last 67.95)
 - open/close 1193 (time 1785403245.69 total 20.03 last 51.20)
 - open/close 1847 (time 1785403255.70 total 30.03 last 65.37)
 - open/close 2408 (time 1785403265.71 total 40.05 last 56.02)
 - open/close 3202 (time 1785403275.72 total 50.05 last 79.37)
 - open/close 3894 (time 1785403285.72 total 60.06 last 69.17)
 - open/close 4403 (time 1785403295.73 total 70.06 last 50.88)
 - open/close 4902 (time 1785403305.73 total 80.07 last 49.87)
 - open/close 5482 (time 1785403315.73 total 90.07 last 58.00)
 - open/close 5831 (time 1785403326.14 total 100.47 last 33.54)
 - open/close 6326 (time 1785403336.14 total 110.48 last 49.48)
 - open/close 7013 (time 1785403346.15 total 120.48 last 68.65)
 - open/close 7560 (time 1785403356.16 total 130.50 last 54.63)
total: 8000 open/close in 138.24 seconds: 57.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 4052
3955
ls -la is 13% faster with lru resize enabled
 - unlinked 0 (time 1785403512 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second