== sanity test 124b: lru resize (performance test) ================================================================================= 23:45:25 (1722483925)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012e8c8800.lru_size=400
 - open/close 2440 (time 1722483936.90 total 10.00 last 243.93)
 - open/close 4865 (time 1722483946.90 total 20.00 last 242.45)
 - open/close 7245 (time 1722483956.90 total 30.01 last 237.94)
total: 8000 open/close in 33.23 seconds: 240.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 39 seconds
lru_size = 400
 - unlinked 0 (time 1722484002 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012e8c8800.lru_size=0
 - open/close 2419 (time 1722484044.70 total 10.00 last 241.85)
 - open/close 5070 (time 1722484054.70 total 20.00 last 265.09)
 - open/close 7432 (time 1722484064.70 total 30.00 last 236.18)
total: 8000 open/close in 32.45 seconds: 246.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 5 seconds
lru_size = 8005
ls -la is 87% faster with lru resize enabled
 - unlinked 0 (time 1722484076 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second