== sanity test 124b: lru resize (performance test) ================================================================================= 11:08:22 (1761318502)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9a7ba0c22800.lru_size=400
 - open/close 921 (time 1761318514.98 total 10.00 last 92.09)
 - open/close 1758 (time 1761318525.00 total 20.01 last 83.59)
 - open/close 2593 (time 1761318535.00 total 30.02 last 83.46)
 - open/close 3393 (time 1761318545.01 total 40.03 last 79.93)
 - open/close 4121 (time 1761318555.01 total 50.03 last 72.78)
 - open/close 4853 (time 1761318565.02 total 60.04 last 73.15)
 - open/close 5639 (time 1761318575.02 total 70.04 last 78.56)
 - open/close 6490 (time 1761318585.03 total 80.05 last 85.08)
 - open/close 7307 (time 1761318595.03 total 90.05 last 81.70)
total: 8000 open/close in 99.56 seconds: 80.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
 - unlinked 0 (time 1761318695 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9a7ba0c22800.lru_size=0
 - open/close 564 (time 1761318816.89 total 10.00 last 56.39)
 - open/close 1249 (time 1761318826.89 total 20.01 last 68.47)
 - open/close 1979 (time 1761318836.90 total 30.01 last 72.94)
 - open/close 2736 (time 1761318846.91 total 40.02 last 75.66)
 - open/close 3481 (time 1761318856.91 total 50.03 last 74.44)
 - open/close 4293 (time 1761318866.91 total 60.03 last 81.20)
 - open/close 5084 (time 1761318876.92 total 70.04 last 79.03)
 - open/close 5854 (time 1761318886.93 total 80.04 last 76.96)
 - open/close 6615 (time 1761318896.93 total 90.04 last 76.09)
 - open/close 7475 (time 1761318906.94 total 100.05 last 85.95)
total: 8000 open/close in 107.01 seconds: 74.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 32 seconds
lru_size = 8005
ls -la is 60% faster with lru resize enabled
 - unlinked 0 (time 1761318955 ; total 0 ; last 0)
total: 8000 unlinks in 57 seconds: 140.350876 unlinks/second