== sanity test 124b: lru resize (performance test) ================================================================================= 17:25:21 (1717017921)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b0925000.lru_size=400
 - open/close 1351 (time 1717017933.41 total 10.01 last 135.02)
 - open/close 2761 (time 1717017943.42 total 20.01 last 140.95)
 - open/close 4110 (time 1717017953.42 total 30.01 last 134.87)
 - open/close 5524 (time 1717017963.42 total 40.01 last 141.38)
 - open/close 6849 (time 1717017973.42 total 50.01 last 132.47)
total: 8000 open/close in 58.07 seconds: 137.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 137 seconds
lru_size = 400
 - unlinked 0 (time 1717018121 ; total 0 ; last 0)
total: 8000 unlinks in 47 seconds: 170.212769 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b0925000.lru_size=0
 - open/close 1614 (time 1717018180.22 total 10.00 last 161.34)
 - open/close 3018 (time 1717018190.23 total 20.01 last 140.37)
 - open/close 4549 (time 1717018200.23 total 30.01 last 153.01)
 - open/close 6202 (time 1717018210.24 total 40.02 last 165.18)
 - open/close 7846 (time 1717018220.25 total 50.03 last 164.29)
total: 8000 open/close in 51.11 seconds: 156.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 25 seconds
lru_size = 8005
ls -la is 81% faster with lru resize enabled
 - unlinked 0 (time 1717018251 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second