== sanity test 124b: lru resize (performance test) ================================================================================= 01:24:03 (1788758643)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 656 (time 1788758659.44 total 10.00 last 65.59)
 - open/close 1358 (time 1788758669.45 total 20.02 last 70.09)
 - open/close 2062 (time 1788758679.46 total 30.02 last 70.37)
 - open/close 2808 (time 1788758689.46 total 40.03 last 74.56)
 - open/close 3583 (time 1788758699.47 total 50.04 last 77.41)
 - open/close 4254 (time 1788758709.50 total 60.06 last 66.95)
 - open/close 4866 (time 1788758719.50 total 70.07 last 61.15)
 - open/close 5552 (time 1788758729.51 total 80.08 last 68.56)
 - open/close 6288 (time 1788758739.52 total 90.09 last 73.53)
 - open/close 6958 (time 1788758749.53 total 100.10 last 66.93)
 - open/close 7797 (time 1788758759.54 total 110.10 last 83.83)
total: 8000 open/close in 112.90 seconds: 70.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 190 seconds
lru_size = 400
 - unlinked 0 (time 1788758965 ; total 1 ; last 1)
total: 8000 unlinks in 116 seconds: 68.965515 unlinks/second
 - open/close 706 (time 1788759095.05 total 10.01 last 70.54)
 - open/close 1472 (time 1788759105.06 total 20.02 last 76.54)
 - open/close 2242 (time 1788759115.07 total 30.03 last 76.92)
 - open/close 2895 (time 1788759125.08 total 40.04 last 65.18)
 - open/close 3517 (time 1788759135.08 total 50.04 last 62.19)
 - open/close 4265 (time 1788759145.09 total 60.05 last 74.79)
 - open/close 5000 (time 1788759155.09 total 70.05 last 73.46)
 - open/close 5736 (time 1788759165.09 total 80.05 last 73.59)
 - open/close 6521 (time 1788759175.10 total 90.06 last 78.47)
 - open/close 7294 (time 1788759185.11 total 100.07 last 77.19)
total: 8000 open/close in 108.58 seconds: 73.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1788759315 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second