== sanity test 124b: lru resize (performance test) ================================================================================= 19:13:41 (1779318821)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 658 (time 1779318836.30 total 10.01 last 65.75)
 - open/close 1306 (time 1779318846.36 total 20.06 last 64.46)
 - open/close 1957 (time 1779318856.37 total 30.08 last 65.01)
 - open/close 2599 (time 1779318866.39 total 40.10 last 64.06)
 - open/close 3213 (time 1779318876.40 total 50.11 last 61.34)
 - open/close 3874 (time 1779318886.41 total 60.11 last 66.09)
 - open/close 4496 (time 1779318896.42 total 70.12 last 62.14)
 - open/close 5117 (time 1779318906.42 total 80.13 last 62.06)
 - open/close 5734 (time 1779318916.45 total 90.16 last 61.51)
 - open/close 6316 (time 1779318926.47 total 100.17 last 58.13)
 - open/close 6901 (time 1779318936.48 total 110.18 last 58.44)
 - open/close 7403 (time 1779318946.48 total 120.18 last 50.20)
 - open/close 7944 (time 1779318956.50 total 130.20 last 54.00)
total: 8000 open/close in 131.43 seconds: 60.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 181 seconds
lru_size = 400
 - unlinked 0 (time 1779319150 ; total 0 ; last 0)
total: 8000 unlinks in 131 seconds: 61.068703 unlinks/second
 - open/close 713 (time 1779319296.38 total 10.00 last 71.27)
 - open/close 1417 (time 1779319306.39 total 20.02 last 70.31)
 - open/close 2080 (time 1779319316.40 total 30.03 last 66.24)
 - open/close 2813 (time 1779319326.41 total 40.04 last 73.20)
 - open/close 3506 (time 1779319336.42 total 50.04 last 69.27)
 - open/close 4240 (time 1779319346.42 total 60.05 last 73.37)
 - open/close 4943 (time 1779319356.44 total 70.07 last 70.14)
 - open/close 5610 (time 1779319366.45 total 80.07 last 66.68)
 - open/close 6324 (time 1779319376.45 total 90.08 last 71.39)
 - open/close 7030 (time 1779319386.46 total 100.08 last 70.54)
 - open/close 7711 (time 1779319396.47 total 110.09 last 68.04)
total: 8000 open/close in 114.34 seconds: 69.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 8005
ls -la is 59% faster with lru resize enabled
 - unlinked 0 (time 1779319493 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second