== sanity test 124b: lru resize (performance test) ================================================================================= 10:52:23 (1761317543)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8b4e48ff5800.lru_size=400
 - open/close 758 (time 1761317557.50 total 10.01 last 75.75)
 - open/close 1515 (time 1761317567.51 total 20.01 last 75.65)
 - open/close 2329 (time 1761317577.52 total 30.02 last 81.34)
 - open/close 3127 (time 1761317587.52 total 40.02 last 79.80)
 - open/close 3925 (time 1761317597.53 total 50.03 last 79.70)
 - open/close 4612 (time 1761317607.53 total 60.04 last 68.68)
 - open/close 5302 (time 1761317617.54 total 70.04 last 68.94)
 - open/close 5977 (time 1761317627.54 total 80.05 last 67.50)
 - open/close 6663 (time 1761317637.55 total 90.05 last 68.54)
 - open/close 7376 (time 1761317647.55 total 100.06 last 71.26)
total: 8000 open/close in 109.27 seconds: 73.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
 - unlinked 0 (time 1761317741 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8b4e48ff5800.lru_size=0
 - open/close 821 (time 1761317857.78 total 10.01 last 82.04)
 - open/close 1639 (time 1761317867.79 total 20.02 last 81.74)
 - open/close 2398 (time 1761317877.80 total 30.03 last 75.80)
 - open/close 3203 (time 1761317887.80 total 40.03 last 80.50)
 - open/close 4017 (time 1761317897.82 total 50.05 last 81.23)
 - open/close 4806 (time 1761317907.83 total 60.06 last 78.84)
 - open/close 5664 (time 1761317917.83 total 70.06 last 85.78)
 - open/close 6561 (time 1761317927.84 total 80.07 last 89.64)
 - open/close 7629 (time 1761317937.85 total 90.08 last 106.71)
total: 8000 open/close in 92.82 seconds: 86.19 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 67% faster with lru resize enabled
 - unlinked 0 (time 1761317973 ; total 0 ; last 0)
total: 8000 unlinks in 50 seconds: 160.000000 unlinks/second