== sanity test 124b: lru resize (performance test) ================================================================================= 07:02:10 (1726830130)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012e354800.lru_size=400
 - open/close 1381 (time 1726830143.04 total 10.01 last 138.00)
 - open/close 2901 (time 1726830153.05 total 20.01 last 151.93)
 - open/close 4294 (time 1726830163.06 total 30.02 last 139.20)
 - open/close 5675 (time 1726830173.06 total 40.02 last 138.08)
 - open/close 7155 (time 1726830183.06 total 50.02 last 147.99)
total: 8000 open/close in 56.38 seconds: 141.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 400
 - unlinked 0 (time 1726830342 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012e354800.lru_size=0
 - open/close 1377 (time 1726830415.43 total 10.01 last 137.63)
 - open/close 2677 (time 1726830425.43 total 20.01 last 129.92)
 - open/close 3930 (time 1726830435.43 total 30.01 last 125.30)
 - open/close 5371 (time 1726830445.44 total 40.02 last 144.02)
 - open/close 6735 (time 1726830455.45 total 50.02 last 136.33)
 - open/close 7943 (time 1726830465.45 total 60.03 last 120.74)
total: 8000 open/close in 60.43 seconds: 132.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 8005
ls -la is 72% faster with lru resize enabled
 - unlinked 0 (time 1726830512 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second