== sanity test 124b: lru resize (performance test) ================================================================================= 17:36:15 (1746135375)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1433 (time 1746135386.95 total 10.01 last 143.15)
 - open/close 2787 (time 1746135396.95 total 20.02 last 135.33)
 - open/close 4374 (time 1746135406.96 total 30.02 last 158.62)
 - open/close 5799 (time 1746135416.96 total 40.03 last 142.40)
 - open/close 7173 (time 1746135426.97 total 50.04 last 137.28)
total: 8000 open/close in 56.34 seconds: 142.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 400
 - unlinked 0 (time 1746135542 ; total 0 ; last 0)
total: 8000 unlinks in 47 seconds: 170.212769 unlinks/second
 - open/close 1816 (time 1746135601.02 total 10.00 last 181.58)
 - open/close 3574 (time 1746135611.02 total 20.00 last 175.78)
 - open/close 5128 (time 1746135621.02 total 30.00 last 155.37)
 - open/close 6967 (time 1746135631.02 total 40.01 last 183.87)
total: 8000 open/close in 45.18 seconds: 177.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 24 seconds
lru_size = 8005
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1746135667 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second