== sanity test 124b: lru resize (performance test) ================================================================================= 15:19:46 (1761247186)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8c28833f8000.lru_size=400
 - open/close 720 (time 1761247198.70 total 10.01 last 71.93)
 - open/close 1353 (time 1761247208.71 total 20.02 last 63.25)
 - open/close 2006 (time 1761247218.72 total 30.03 last 65.21)
 - open/close 2638 (time 1761247228.74 total 40.04 last 63.13)
 - open/close 3277 (time 1761247238.74 total 50.05 last 63.87)
 - open/close 3948 (time 1761247248.74 total 60.05 last 67.10)
 - open/close 4635 (time 1761247258.77 total 70.08 last 68.50)
 - open/close 5230 (time 1761247268.78 total 80.09 last 59.44)
 - open/close 5865 (time 1761247278.78 total 90.09 last 63.48)
 - open/close 6483 (time 1761247288.79 total 100.10 last 61.76)
 - open/close 7127 (time 1761247298.80 total 110.11 last 64.31)
 - open/close 7630 (time 1761247308.82 total 120.13 last 50.22)
total: 8000 open/close in 127.89 seconds: 62.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 136 seconds
lru_size = 400
 - unlinked 0 (time 1761247461 ; total 0 ; last 0)
total: 8000 unlinks in 124 seconds: 64.516129 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8c28833f8000.lru_size=0
 - open/close 648 (time 1761247600.31 total 10.00 last 64.77)
 - open/close 1253 (time 1761247610.31 total 20.01 last 60.49)
 - open/close 1874 (time 1761247620.32 total 30.01 last 62.09)
 - open/close 2506 (time 1761247630.33 total 40.02 last 63.13)
 - open/close 3152 (time 1761247640.33 total 50.02 last 64.59)
 - open/close 3754 (time 1761247650.33 total 60.02 last 60.19)
 - open/close 4506 (time 1761247660.34 total 70.03 last 75.14)
 - open/close 5175 (time 1761247670.36 total 80.05 last 66.77)
 - open/close 5790 (time 1761247680.36 total 90.05 last 61.48)
 - open/close 6328 (time 1761247690.37 total 100.06 last 53.74)
 - open/close 7000 (time 1761247700.39 total 110.08 last 67.10)
 - open/close 7669 (time 1761247710.39 total 120.09 last 66.84)
total: 8000 open/close in 125.25 seconds: 63.87 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 69% faster with lru resize enabled
 - unlinked 0 (time 1761247768 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second