== sanity test 124b: lru resize (performance test) ================================================================================= 10:43:54 (1761317034)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9349a1fe4800.lru_size=400
 - open/close 841 (time 1761317047.68 total 10.01 last 84.04)
 - open/close 1559 (time 1761317057.68 total 20.01 last 71.76)
 - open/close 2336 (time 1761317067.70 total 30.03 last 77.59)
 - open/close 3093 (time 1761317077.71 total 40.04 last 75.62)
 - open/close 3871 (time 1761317087.71 total 50.04 last 77.75)
 - open/close 4653 (time 1761317097.72 total 60.05 last 78.13)
 - open/close 5400 (time 1761317107.74 total 70.07 last 74.54)
 - open/close 6150 (time 1761317117.75 total 80.08 last 74.97)
 - open/close 6868 (time 1761317127.76 total 90.09 last 71.72)
 - open/close 7711 (time 1761317137.76 total 100.09 last 84.28)
total: 8000 open/close in 103.64 seconds: 77.19 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 1761317226 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9349a1fe4800.lru_size=0
 - open/close 755 (time 1761317343.67 total 10.02 last 75.36)
 - open/close 1565 (time 1761317353.68 total 20.03 last 80.90)
 - open/close 2344 (time 1761317363.69 total 30.04 last 77.86)
 - open/close 3111 (time 1761317373.70 total 40.05 last 76.59)
 - open/close 3896 (time 1761317383.71 total 50.06 last 78.44)
 - open/close 4770 (time 1761317393.71 total 60.06 last 87.39)
 - open/close 5535 (time 1761317403.73 total 70.07 last 76.37)
 - open/close 6311 (time 1761317413.74 total 80.09 last 77.48)
 - open/close 7059 (time 1761317423.75 total 90.10 last 74.76)
 - open/close 7851 (time 1761317433.76 total 100.11 last 79.12)
total: 8000 open/close in 101.99 seconds: 78.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 31 seconds
lru_size = 8005
ls -la is 59% faster with lru resize enabled
 - unlinked 0 (time 1761317476 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second