== sanity test 124b: lru resize (performance test) ================================================================================= 01:01:16 (1746162076)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1254 (time 1746162088.60 total 10.00 last 125.39)
 - open/close 2695 (time 1746162098.61 total 20.00 last 144.06)
 - open/close 4603 (time 1746162108.61 total 30.01 last 190.77)
 - open/close 6098 (time 1746162118.61 total 40.01 last 149.48)
 - open/close 7350 (time 1746162128.61 total 50.01 last 125.17)
total: 8000 open/close in 55.54 seconds: 144.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 148 seconds
lru_size = 400
 - unlinked 0 (time 1746162286 ; total 0 ; last 0)
total: 8000 unlinks in 38 seconds: 210.526321 unlinks/second
 - open/close 1140 (time 1746162336.76 total 10.00 last 113.98)
 - open/close 2521 (time 1746162346.76 total 20.00 last 138.09)
 - open/close 3941 (time 1746162356.76 total 30.01 last 141.95)
 - open/close 5040 (time 1746162366.77 total 40.01 last 109.84)
 - open/close 6040 (time 1746162376.77 total 50.01 last 99.97)
 - open/close 7258 (time 1746162386.77 total 60.02 last 121.78)
total: 8000 open/close in 66.84 seconds: 119.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 8005
ls -la is 70% faster with lru resize enabled
 - unlinked 0 (time 1746162448 ; total 0 ; last 0)
total: 8000 unlinks in 42 seconds: 190.476196 unlinks/second