== sanity test 124b: lru resize (performance test) ================================================================================= 02:48:44 (1734680924)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1105 (time 1734680938.27 total 10.00 last 110.50)
 - open/close 2225 (time 1734680948.28 total 20.01 last 111.93)
 - open/close 3375 (time 1734680958.28 total 30.01 last 114.95)
 - open/close 4525 (time 1734680968.29 total 40.02 last 114.95)
 - open/close 5522 (time 1734680978.30 total 50.02 last 99.63)
 - open/close 6599 (time 1734680988.30 total 60.02 last 107.69)
 - open/close 7676 (time 1734680998.30 total 70.03 last 107.65)
total: 8000 open/close in 73.01 seconds: 109.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 142 seconds
lru_size = 400
 - unlinked 0 (time 1734681149 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second
 - open/close 1037 (time 1734681228.77 total 10.01 last 103.56)
 - open/close 2097 (time 1734681238.77 total 20.02 last 105.94)
 - open/close 3253 (time 1734681248.78 total 30.03 last 115.52)
 - open/close 4494 (time 1734681258.79 total 40.04 last 123.97)
 - open/close 5585 (time 1734681268.79 total 50.04 last 109.05)
 - open/close 6663 (time 1734681278.80 total 60.05 last 107.71)
 - open/close 7838 (time 1734681288.81 total 70.06 last 117.38)
total: 8000 open/close in 71.42 seconds: 112.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 8005
ls -la is 69% faster with lru resize enabled
 - unlinked 0 (time 1734681344 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second