== sanity test 124b: lru resize (performance test) ================================================================================= 07:13:49 (1786187629)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 761 (time 1786187643.68 total 10.01 last 76.03)
 - open/close 1508 (time 1786187653.69 total 20.02 last 74.62)
 - open/close 2277 (time 1786187663.69 total 30.02 last 76.88)
 - open/close 3077 (time 1786187673.70 total 40.03 last 79.96)
 - open/close 3873 (time 1786187683.70 total 50.03 last 79.58)
 - open/close 4684 (time 1786187693.71 total 60.04 last 80.99)
 - open/close 5502 (time 1786187703.72 total 70.05 last 81.75)
 - open/close 6281 (time 1786187713.72 total 80.05 last 77.89)
 - open/close 7113 (time 1786187723.74 total 90.07 last 83.04)
 - open/close 7803 (time 1786187733.75 total 100.08 last 68.94)
total: 8000 open/close in 102.90 seconds: 77.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1786187907 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 682 (time 1786188032.75 total 10.01 last 68.16)
 - open/close 1218 (time 1786188042.76 total 20.02 last 53.54)
 - open/close 1837 (time 1786188052.78 total 30.03 last 61.82)
 - open/close 2586 (time 1786188062.79 total 40.04 last 74.84)
 - open/close 3461 (time 1786188072.79 total 50.04 last 87.48)
 - open/close 4167 (time 1786188082.79 total 60.05 last 70.58)
 - open/close 4960 (time 1786188092.80 total 70.06 last 79.21)
 - open/close 5712 (time 1786188102.81 total 80.06 last 75.17)
 - open/close 6602 (time 1786188112.81 total 90.07 last 88.96)
 - open/close 7336 (time 1786188122.82 total 100.07 last 73.36)
total: 8000 open/close in 108.10 seconds: 74.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1786188250 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second