== sanity test 124b: lru resize (performance test) ================================================================================= 16:46:17 (1722545177)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a7488000.lru_size=400
 - open/close 2287 (time 1722545188.80 total 10.00 last 228.69)
 - open/close 5015 (time 1722545198.80 total 20.00 last 272.74)
 - open/close 7751 (time 1722545208.80 total 30.00 last 273.57)
total: 8000 open/close in 31.07 seconds: 257.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 57 seconds
lru_size = 400
 - unlinked 0 (time 1722545269 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a7488000.lru_size=0
 - open/close 1004 (time 1722545345.47 total 10.01 last 100.27)
 - open/close 2066 (time 1722545355.47 total 20.01 last 106.19)
 - open/close 3611 (time 1722545365.47 total 30.02 last 154.41)
 - open/close 5219 (time 1722545375.48 total 40.02 last 160.76)
 - open/close 7343 (time 1722545385.48 total 50.03 last 212.30)
total: 8000 open/close in 53.18 seconds: 150.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 6 seconds
lru_size = 8006
ls -la is 89% faster with lru resize enabled
 - unlinked 0 (time 1722545397 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second