== sanity test 124b: lru resize (performance test) ================================================================================= 18:46:17 (1736984777)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012b77f000.lru_size=400
 - open/close 1198 (time 1736984789.70 total 10.00 last 119.76)
 - open/close 2620 (time 1736984799.70 total 20.01 last 142.13)
 - open/close 4403 (time 1736984809.71 total 30.01 last 178.26)
 - open/close 6345 (time 1736984819.71 total 40.01 last 194.11)
 - open/close 7932 (time 1736984829.72 total 50.02 last 158.61)
total: 8000 open/close in 50.50 seconds: 158.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 60 seconds
lru_size = 400
 - unlinked 0 (time 1736984894 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012b77f000.lru_size=0
 - open/close 1174 (time 1736984970.77 total 10.01 last 117.32)
 - open/close 2484 (time 1736984980.78 total 20.01 last 130.94)
 - open/close 3761 (time 1736984990.78 total 30.01 last 127.69)
 - open/close 5025 (time 1736985000.78 total 40.02 last 126.35)
 - open/close 6271 (time 1736985010.78 total 50.02 last 124.59)
 - open/close 7612 (time 1736985020.79 total 60.02 last 134.02)
total: 8000 open/close in 62.35 seconds: 128.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 15 seconds
lru_size = 8005
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1736985042 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second