== sanity test 124b: lru resize (performance test) ================================================================================= 16:17:01 (1783973821)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 877 (time 1783973836.73 total 10.01 last 87.64)
 - open/close 1761 (time 1783973846.74 total 20.01 last 88.39)
 - open/close 2511 (time 1783973856.76 total 30.03 last 74.83)
 - open/close 3092 (time 1783973866.77 total 40.04 last 58.05)
 - open/close 3738 (time 1783973876.80 total 50.08 last 64.36)
 - open/close 4664 (time 1783973886.81 total 60.08 last 92.53)
 - open/close 5341 (time 1783973896.82 total 70.09 last 67.63)
 - open/close 6081 (time 1783973906.83 total 80.11 last 73.90)
 - open/close 6830 (time 1783973916.84 total 90.11 last 74.85)
 - open/close 7543 (time 1783973926.85 total 100.13 last 71.21)
total: 8000 open/close in 106.42 seconds: 75.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1783974116 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
 - open/close 768 (time 1783974250.70 total 10.01 last 76.75)
 - open/close 1534 (time 1783974260.71 total 20.01 last 76.55)
 - open/close 2259 (time 1783974270.72 total 30.02 last 72.45)
 - open/close 2990 (time 1783974280.72 total 40.03 last 73.06)
 - open/close 3638 (time 1783974290.73 total 50.03 last 64.76)
 - open/close 4406 (time 1783974300.74 total 60.04 last 76.72)
 - open/close 5003 (time 1783974310.74 total 70.04 last 59.69)
 - open/close 5782 (time 1783974320.75 total 80.06 last 77.81)
 - open/close 6596 (time 1783974330.76 total 90.06 last 81.36)
 - open/close 7471 (time 1783974340.78 total 100.08 last 87.31)
total: 8000 open/close in 106.06 seconds: 75.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1783974460 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second