== sanity test 124b: lru resize (performance test) ================================================================================= 16:44:40 (1746132280)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2559 (time 1746132291.70 total 10.00 last 255.84)
 - open/close 4614 (time 1746132301.71 total 20.01 last 205.43)
 - open/close 6233 (time 1746132311.71 total 30.01 last 161.81)
 - open/close 7874 (time 1746132321.71 total 40.01 last 164.10)
total: 8000 open/close in 40.66 seconds: 196.77 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 1746132430 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
 - open/close 3372 (time 1746132471.38 total 10.00 last 337.07)
 - open/close 6579 (time 1746132481.38 total 20.00 last 320.70)
total: 8000 open/close in 24.38 seconds: 328.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 22 seconds
lru_size = 8005
ls -la is 79% faster with lru resize enabled
 - unlinked 0 (time 1746132514 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second